Mackie Musical Instrument 1202 VLZ3 User Manual

1202-VLZ3  
12-Channel Mic/Line Mixer  
O W N E R ’ S M A N U A L  
POWER  
ON  
PHANTOM  
ON  
SERIAL NUMBER  
MANUFACTURING DATE  
CAUTION  
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT  
EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER.  
NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
AVIS: RISQUE DE CHOC ELECTRIQUE  
NE PAS OUVRIR  
REPLACE WITH THE SAME TYPE FUSE AND RATING.  
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE  
UTILISE UN FUSIBLE DE RECHANGE DE MÊME TYPE.  
DEBRANCHER AVANT DE REMPLACER LE FUSIBLE  
XDRTM EXTENDED DYNAMIC RANGE MIC PREAMPLIFIERS ARE PROPRIETARY TO MACKIE DESIGNS, INC.  
CONTROL  
ROOM  
ALT  
OUTPUT  
BAL/UNBAL  
CHANNEL INSERT  
PRE-FADER / PRE EQ TIP SEND / RING RETURN  
BLALMANACINED  
(
)
BAL/UNBAL  
R
L
R/4  
L/3  
4
3
2
1
MAIN  
OUTPUT  
LEVEL  
R
R
ALL BAL/UNBAL  
1
BAL/UNBAL  
L /MONO  
MIC  
MIC  
MIC  
MIC  
TAPE  
TAPE  
1
2
4
3
INPUT OUTPUT  
1
2
L
L
L
L
2
R
R
R
BAL  
OR  
BAL  
BAL  
OR  
BAL  
OR  
MAIN OUT  
MONO  
OR  
AUX SEND  
MONO  
UNBAL  
UNBAL  
UNBAL  
UNBAL  
MONO  
MONO  
L
LINE IN 1  
LINE IN 2  
LINE IN 3  
LINE IN 4  
L
L
L
LOW CUT  
LOW CUT  
LOW CUT  
LOW CUT  
75 Hz  
75 Hz  
75 Hz  
75 Hz  
BAL  
OR  
BAL  
OR  
BAL  
OR  
BAL  
OR  
18dB/OCT  
18dB/OCT  
18dB/OCT  
18dB/OCT  
UNBAL  
UNBAL  
UNBAL  
UNBAL  
U
U
U
U
R
R
R
R
0
60  
0
60  
0
60  
0
60  
+15dB-45dB  
GAIN  
+15dB-45dB  
GAIN  
+15dB-45dB  
GAIN  
+15dB-45dB  
GAIN  
LINE IN 5  
U
6
LINE IN 7  
U
8
LINE IN 9 10  
LINE IN 11 12  
U
U
U
U
U
U
AUX  
AUX  
AUX  
AUX  
AUX  
AUX  
AUX  
AUX  
O O +15  
O O +15  
O O +15  
O O +15  
O O +15  
O O +15  
O O +15  
O O +15  
U
U
U
U
U
U
U
U
O O +15  
O O +15  
O O +15  
O O +15  
O O +15  
O O +15  
O O +15  
O O +15  
U
U
U
U
U
U
U
U
EQ  
EQ  
EQ  
EQ  
EQ  
EQ  
EQ  
EQ  
POWER  
HI  
HI  
HI  
HI  
HI  
HI  
HI  
HI  
LEFT RIGHT  
0dB=0dBu  
12kHz  
12kHz  
12kHz  
12kHz  
12kHz  
12kHz  
12kHz  
12kHz  
CONTROL  
ROOM  
SOURCE  
-15 +15  
U
-15 +15  
U
-15 +15  
U
-15 +15  
U
-15 +15  
U
-15 +15  
U
-15 +15  
U
-15 +15  
U
20  
10  
7
CLIP  
MID  
2.5kHz  
MID  
2.5kHz  
MID  
2.5kHz  
MID  
2.5kHz  
MID  
2.5kHz  
MID  
2.5kHz  
MID  
2.5kHz  
MID  
2.5kHz  
MAIN MIX  
-15 +15  
U
-15 +15  
U
-15 +15  
U
-15 +15  
U
-15 +15  
U
-15 +15  
U
-15 +15  
U
-15 +15  
U
4
2
LOW  
80Hz  
LOW  
80Hz  
LOW  
80Hz  
LOW  
80Hz  
LOW  
80Hz  
LOW  
80Hz  
LOW  
80Hz  
LOW  
80Hz  
ALT 3  
4
0
2
-15 +15  
-15 +15  
-15 +15  
-15 +15  
-15 +15  
-15 +15  
-15 +15  
-15 +15  
4
PAN  
PAN  
PAN  
PAN  
PAN  
PAN  
PAN  
PAN  
TAPE  
LEVEL  
SET  
7
10  
20  
30  
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
1
2
3
4
5/6  
7/8  
9/10  
11/12  
MUTE  
ALT 3  
MUTE  
MUTE  
MUTE  
MUTE  
MUTE  
MUTE  
MUTE  
4
ALT 3  
4
ALT 3  
4
ALT 3  
4
ALT 3  
4
ALT 3  
4
ALT 3  
4
ALT 3  
4
ASSIGN  
RUDE  
SOLO  
LIGHT  
TO MAIN MIX  
PRE FADER  
SOLO  
PRE FADER  
SOLO  
PRE FADER  
SOLO  
PRE FADER  
SOLO  
PRE FADER  
SOLO  
PRE FADER  
SOLO  
PRE FADER  
SOLO  
PRE FADER  
SOLO  
U
U
U
U
U
U
U
U
U
U
O O +12dB  
O O +12dB  
O O +12dB  
O O +12dB  
O O +12dB  
O O +12dB  
O O +12dB  
O O +12dB  
O O  
MAX  
O O +12dB  
CTL ROOM /SUBMIX  
MAIN MIX  
LEVEL  
LEVEL  
LEVEL  
LEVEL  
LEVEL  
LEVEL  
LEVEL  
LEVEL  
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Other Nuggets of Wisdom  
Read This Page!  
For optimum sonic performance, the channel LEVEL  
knobs and the MAIN MIX knob should be set near the  
“U” (unity gain) markings.  
We realize that you must be dying to  
try out your new 1202-VLZ3. All we ask is  
that you read this page NOW, and the rest  
can wait until you’re good and ready. But  
Always turn the MAIN MIX and CONTROL ROOM/  
SUBMIX level controls down before making connections  
to and from your 1202-VLZ3.  
do read it — you’ll be glad you did.  
WARNING: Before you plug the AC power  
cord into the mixer, make sure the VOLTAGE  
SELECTOR switch is set to the same voltage  
as your local AC mains supply (see page 12).  
If you shut down your equipment, turn off your ampli-  
fier or powered speakers first. When powering up, turn  
them on last.  
Save the shipping box! You may need it someday.  
Level-Setting Procedure  
Instant Mixing  
Message to seasoned pros: do not set levels using the  
old “Turn the GAIN up until the clip light comes on,  
then back off a hair” trick. When a Mackie mixer clip  
light comes on, you really are about to clip. We worked  
and slaved to come up with a better system, one that  
provides low noise and high headroom.  
Here’s how to get going right away, assuming you have  
a microphone and a keyboard:  
1. Plug your microphone into channel 1’s MIC  
input.  
2. Turn on the 1202-VLZ3.  
Adjusting input levels (Chs. 1–4 only)  
3. Perform the Level-Setting Procedure.  
On the first four channels, it’s not even necessary to  
hear what you’re doing to set optimal levels. But if you’d  
like to: Plug headphones into the PHONES jack, then  
set the CONTROL ROOM/SUBMIX knob about one-quar-  
ter of the way up.  
4. Connect cords from the MAIN OUTS (XLR, 1⁄4"  
or RCA, your choice) to your amplifier.  
5. Hook up speakers to the amp and turn it on.  
6. Turn up the 1202-VLZ3’s channel 1 LEVEL knob  
to the center detent and the MAIN MIX knob  
one quarter of the way up.  
The following steps must be performed one channel at  
a time:  
7. Sing like a canary!  
1. Turn the GAIN, LEVEL and AUX send knobs  
fully down (counterclockwise).  
8. Plug your keyboard into stereo channel 5-6.  
2. Set the EQ knobs at the center detent.  
3. Connect the signal source to the input.  
4. Engage (push in) the SOLO switch.  
9. Turn that channel’s LEVEL knob to the center  
detent.  
10. Play like a madman and sing like a canary!  
It’s your first mix!  
5. Play something into the selected input. This  
could be an instrument, a singing or speaking  
voice, or a line input such as a CD player or  
tape recorder output. Be sure that the volume  
of the input is the same as it would be during  
normal use. If it isn’t, you might have to read-  
just these levels during the middle of the set.  
Please write your serial number here for future  
reference (i.e., insurance claims, tech support,  
return authorization, make dad proud, etc.)  
6. Adjust the channel’s GAIN control so that the  
display on the right LED meter stays around “0”  
and never goes higher than “+7.”  
Purchased at:  
7. If you’d like to apply some EQ, do so now and  
return to step 6.  
8. Disengage that channel’s SOLO switch.  
9. Repeat for each of channels 1 through 4.  
Date of purchase:  
Part No. 0019814 Rev. A  
©2006 LOUD Technologies Inc. All Rights Reserved.  
(Only trained professional union stunt hamsters were used to staple this manual.)  
3
Owner’s Manual  
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Introduction  
Thank you for choosing a Mackie professional com-  
pact mixer. The 1202-VLZ3 is equipped with our pre-  
cision-engineered XDRTM Extended Dynamic Range  
premium studio-grade mic preamp.  
This icon marks information that is critically  
important or unique to the 1202-VLZ3. For your  
own good, read them and remember them. They  
will be on the final test.  
Now that you have your 1202-VLZ3, find out how to get  
the most from it. That’s where this manual comes in.  
This icon will lead you to in-depth explana-  
tions of features and practical tips. While not  
mandatory, they usually have some valuable  
nuggets of information.  
How To Use This Manual  
Since many of you folks will want to hook up your  
1202-VLZ3 immediately, the first pages you will en-  
counter after the table of contents are the ever-popular  
hookup diagrams. These show typical mixer setups for  
Record/Mixdown, and Stereo PA.  
Appendix A is a section on troubleshooting and repair  
information.  
Appendix B is a section on connectors: XLR connec-  
tors, TRS balanced connectors, TS unbalanced connec-  
tors, and Insert connectors.  
After this section is a detailed tour of the entire mixer.  
Every feature of the 1202-VLZ3 is described “geographi-  
cally;” in other words, in order of where it is physically  
placed on the mixer’s top or rear panel. These descrip-  
tions are divided into the first three sections, just as  
your mixer is organized into three distinct zones:  
Appendix C shows the technical specifications, and  
a block diagram showing the internal signal path and  
general goings-on within the mixer.  
Patchbay: The patchbay along the top and back,  
where you connect things.  
Channel Strip: The eight channel strips where you  
adjust each channel.  
Output Section: The output section on the right.  
Throughout these sections you’ll find illustrations,  
with each feature numbered. If you’re curious about a  
feature, simply locate it on the appropriate illustration,  
notice the number attached to it, and find that number  
in the nearby paragraphs.  
Need help with your new mixer?  
FAQs (Frequently Asked Questions), manuals, addendums, and  
user forums.  
• Email us at: [email protected].  
Telephone 1-800-898-3211 to speak with one of our splendid  
technical support representatives, (Monday through Friday,  
from 7 a.m. to 5 p.m. PST).  
4
1202-VLZ3  
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Contents  
Appendix C: Technical Information .......................... 24  
Specifications.................................................. 24  
Block Diagram................................................. 25  
Track Sheet..................................................... 26  
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Hookup Diagrams  
Vocal Mics  
Mono Compressor  
Stereo Compressor  
In  
1
Direct  
Boxes  
1
2
3
4
Out  
2
3
4
In  
Out  
In  
Out  
L
5
6
L
MONO  
1
2
R
Stereo Guitar Effects  
R
Drum  
Machine  
Digital Delay  
L
7
8
MONO  
L
Keyboard or other  
line level input  
R
R
Multi Effect  
Processor  
L
9
MONO  
1
2
R
10  
L
11  
12  
MONO  
L
R
R
Out  
L
L
R
R
Tape Player  
(play)  
L
R
In  
(record)  
Headphones  
for Studio  
Powered  
Studio Monitors  
Powered  
Headphone Distribution Amp  
Studio Monitors  
for Studio  
Recording System  
6
1202-VLZ3  
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Bass Guitar  
Way-cooler  
Guitar dad bought  
your kid brother  
for his  
Guitar dad  
bought you  
for your  
birthday  
birthday  
Vocal Mics  
Mono Compressor  
Stereo Compressor  
In  
1
Direct  
Boxes  
1
2
3
4
Out  
2
In  
3
Out  
In  
4
Out  
Stereo Guitar Effects  
Drum  
L
5
L
MONO  
1
R
6
R
Machine  
L
7
MONO  
L
2
Keyboard or other  
R
8
R
line level input  
L
9
MONO  
Multi Effect  
Processor  
1
2
R
10  
L
11  
12  
MONO  
L
Stage Monitors  
R
Mono Power  
Amplifier  
Mono EQ  
R
L
L
R
R
L
R
Out  
Tape Player  
(play)  
In  
(record)  
Stereo  
EQ  
Headphones  
SRM450  
Powered  
Speaker  
SRM450  
Powered  
Speaker  
This setup can be easily reconfigured to become  
a Mono PA setup.  
A. Stereo sources should feed the left mono  
side of channel input only.  
B. Pan each channel hard left.  
C. Connect Mono PA system to  
Left main output.  
SWA1501  
Powered  
SWA1501  
Powered  
Subwoofer  
Subwoofer  
Live Stereo PA System  
7
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Patchbay Description  
ALL BAL/UNBAL  
1
BAL/UNBAL  
R
R
L /MONO  
MIC  
MIC  
MIC  
MIC  
TAPE  
TAPE  
1
2
4
3
INPUT OUTPUT  
1
L
L
L
1
L
2
2
R
R
R
BAL  
OR  
BAL  
OR  
BAL  
OR  
BAL  
OR  
MAIN OUT  
MONO  
AUX SEND  
MONO  
UNBAL  
UNBAL  
UNBAL  
UNBAL  
2
3
4
MONO  
MONO  
L
LINE IN 1  
LINE IN 2  
LINE IN 3  
LINE IN 4  
L
L
L
LOW CUT  
LOW CUT  
LOW CUT  
LOW CUT  
75 Hz  
75 Hz  
75 Hz  
75 Hz  
18dB/OCT  
18dB/OCT  
18dB/OCT  
18dB/OCT  
5
5
5
5
U
U
U
U
R
R
R
R
0
60  
0
60  
0
60  
0
60  
+15dB-45dB  
GAIN  
+15dB-45dB  
GAIN  
+15dB-45dB  
GAIN  
+15dB -45dB  
GAIN  
LINE IN 5  
6
LINE IN 7  
8
LINE IN 9 10  
LINE IN 11 12  
At the risk of stating the obvious, this is where you  
The 1202-VLZ3’s phantom power is globally controlled  
plug everything in: microphones, line-level instruments  
and effects, headphones, and the ultimate destination  
for your sound: a tape recorder, PA system, etc.  
by the PHANTOM [22] switch on the rear panel. (This  
means the phantom power for channels 1-4 is turned on  
and off together.)  
See Appendix B for further details and drawings of  
the connectors you can use with the 1202-VLZ3. Also see  
the Channel Strip description on page 13 for details of  
the signal routing from the XLR and Line inputs.  
Never plug single-ended (unbalanced)  
microphones or instruments into the MIC [1]  
input jacks if the phantom power is on.  
Do not plug instrument outputs into the  
MIC input jacks with phantom power on,  
unless you know for certain it is safe to do so.  
1. MIC INPUTS (Channels 1–4)  
We use phantom-powered, balanced microphone  
inputs just like the big studio mega-consoles, for exactly  
the same reason: This kind of circuit is excellent at re-  
jecting hum and noise. You can plug in almost any kind  
of mic that has a standard XLR male mic connector.  
2. LINE INPUTS (Channels 1–4)  
These four line-inputs share circuitry (but not phan-  
tom power) with the mic preamps, and can be driven  
by balanced or unbalanced sources at almost any level.  
You can use these inputs for virtually any signal you’ll  
come across, from instrument levels as low as –40 dB to  
Professional ribbon, dynamic, and condenser mics  
will all sound excellent through these inputs. The  
1202-VLZ3’s mic inputs will handle any kind of mic level operating levels of –10 dBV to +4 dBu, since there is 40  
you can toss at them, without overloading. Be sure to  
perform the Level-Setting Procedure on page 3.  
dB more gain available than on channels 5–12.  
To connect balanced lines to these inputs, use a 1⁄4"  
Tip-Ring-Sleeve (TRS) plug, the type found on stereo  
headphones.  
Not every instrument is made to connect directly to a  
mixer. Guitars commonly need a Direct Injection (DI)  
box to connect to the mixer's MIC inputs. These boxes  
convert unbalanced line-level signals from your guitar,  
into balanced mic-level outputs, and provide signal and  
impedance matching. They also let you send your gifted  
guitar renditions over long cables or audio snakes, with  
minimum interference and high-frequency signal loss.  
Ask your dealer or guitar maker about their recommen-  
dations for a good DI box.  
To connect unbalanced lines to these inputs, use a  
1⁄4" mono (TS) phone plug or standard instrument  
cable.  
The LINE IN inputs 1–4 are a good place to connect  
older instruments that need more gain. You can correct  
weak levels by adjusting the corresponding channel’s  
GAIN control.  
PHANTOM POWER  
Most modern professional condenser mics are  
equipped for phantom power, which lets the mixer  
send low-current DC voltage to the mic’s electronics  
through the same wires that carry audio. (Semi-pro  
condenser mics often have batteries to accomplish the  
same thing.) “Phantom” owes its name to an ability to  
be “unseen” by dynamic mics (Shure SM57/SM58, for  
instance), which don’t need external power and aren’t  
affected by it anyway.  
8
1202-VLZ3  
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3. LOW CUT (Channels 1–4)  
5. STEREO LINE INPUTS  
(Channels 5–6, 7–8, 9–10 and 11–12)  
Each LOW CUT switch, often referred to as a High  
Pass Filter (all depends on how you look at it), cuts bass  
frequencies below 75 Hz at a rate of 18 dB per octave.  
These fully balanced inputs are designed for stereo or  
mono, balanced or unbalanced signals, from –10 dBV to  
+4 dBu. They can be used with just about any profes-  
sional or semi-pro instrument, effect or tape player.  
We recommend that you use low-cut on every micro-  
phone application except kick drum, bass guitar, bassy  
synth patches, or recordings of earthquakes. These  
aside, there isn’t much down there that you want to  
In the stereo audio world, an odd-numbered chan-  
nel usually receives the “left signal.” For example, you  
hear, and filtering it out makes the low stuff you do want would feed the 1202-VLZ3’s line inputs 5-6 a stereo  
much more crisp and tasty. Not only that, but low-cut signal by inserting the device’s left output plug into the  
can help reduce the possibility of feedback in live situa- channel 5 jack, and its right output plug into the chan-  
tions, and it helps to conserve amplifier power.  
nel 6 jack.  
Another way to consider low-cut’s function is that it  
actually adds flexibility during live performances. With  
the addition of low-cut, you can safely use low equaliza-  
tion on vocals. Many times, bass shelving EQ can really  
benefit voices. Trouble is, adding low EQ also boosts  
stage rumble, mic handling clunks and breath pops.  
Applying low-cut removes all those problems, so you can  
add low EQ without losing a woofer.  
When connecting a mono device (just one cord),  
always use the LEFT (MONO) input (jacks 5, 7, 9 or 11)  
and plug nothing into the RIGHT input (jacks 6, 8, 10 or  
12)— this way the signal will appear on both sides. This  
trick is called “jack normalling.”  
6. IMAGINARY CONTROL  
This control is purely a figment of our imagination. It  
will come in handy after long hours of mixing, when you  
really would like a nice cup of tea, a vacation in Hawaii,  
or a trip to the outer reaches of the Solar System. This  
is the control for you. Be thankful, you bought a Mackie.  
We love you man!  
Here’s what the combination of low EQ and low-cut  
looks like in terms of frequency curves:  
+15  
+10  
+15  
+10  
+5  
0
+5  
0
–5  
–5  
EFFECTS: SERIAL OR PARALLEL?  
–10  
–15  
–10  
–15  
The next two sections toss the terms “serial” and  
“parallel” around like hacky sacks. Here’s what we mean  
by them:  
20Hz  
100Hz  
1kHz  
10kHz 20kHz  
20Hz  
100Hz  
1kHz  
10kHz 20kHz  
Low Cut with Low EQ  
Low Cut  
“Serial” means that the entire signal is routed through  
the effects device. Examples: compressor/limiters,  
graphic equalizers. Line-level sources can be patched  
through a serial effects device before or after the mixer,  
or preferably through the insert jacks located on the  
rear panel (CHANNEL INSERT [17] send/return).  
4. GAIN (Channels 1–4)  
If you haven’t already, please read the Level-Setting  
Procedure on page 3.  
GAIN adjusts the input sensitivity of the mic and line  
inputs connected to channels 1 through 4. This allows  
signals from the outside world to be adjusted to optimal  
internal operating levels.  
Insert  
Send  
Insert  
Return  
Signal Processor  
(e.g., Compressor)  
If the signal originates through the  
XLR jack, there will be 0 dB of gain with  
Processed  
Signal  
Dry Signal  
U
the knob fully down, ramping to 60 dB  
of gain fully up.  
“Parallel” means that a portion of the signal in the  
mixer is tapped off to the device (AUX SEND), pro-  
cessed and returned to the mixer (STEREO RETURN)  
to be mixed with the original “dry” signal. This way,  
multiple channels can all make use of the same effects  
device. Examples: reverb, digital delay.  
0
60  
+15dB-45dB  
GAIN  
Through the 1⁄4" input, there is 15  
dB of attenuation fully down and 45 dB of gain fully  
up, with a “U” (unity gain) mark at 10:00. This 15 dB of  
attenuation can be very handy when you are inserting  
a very hot signal, or when you want to add a lot of EQ  
gain, or both. Without this “virtual pad,” this scenario  
might lead to channel clipping.  
Aux  
Aux  
Output  
Section  
Send  
Return  
Signal Processor  
(e.g., Reverb)  
Wet Signal  
Mix  
Processed  
Signal  
Stage  
Channel Path  
Dry Signal(s)  
Dry Signal(s)  
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7
8
ALL BAL/UNBAL  
1
9 10 11  
BAL/UNBAL  
R
R
L /MONO  
MIC  
MIC  
MIC  
MIC  
TAPE  
TAPE  
1
2
4
3
INPUT OUTPUT  
1
L
L
L
L
2
2
R
R
R
BAL  
OR  
BAL  
OR  
BAL  
OR  
BAL  
OR  
MAIN OUT  
MONO  
AUX SEND  
MONO  
UNBAL  
UNBAL  
UNBAL  
UNBAL  
MONO  
MONO  
L
LINE IN 1  
LINE IN 2  
LINE IN 3  
LINE IN 4  
L
L
L
LOW CUT  
LOW CUT  
LOW CUT  
LOW CUT  
75 Hz  
75 Hz  
75 Hz  
75 Hz  
BAL  
OR  
BAL  
OR  
BAL  
OR  
BAL  
OR  
12  
18dB/OCT  
18dB/OCT  
18dB/OCT  
18dB/OCT  
UNBAL  
UNBAL  
UNBAL  
UNBAL  
U
U
U
U
R
R
R
R
0
60  
0
60  
0
60  
0
60  
+15dB-45dB  
GAIN  
+15dB-45dB  
GAIN  
+15dB-45dB  
GAIN  
+15dB -45dB  
GAIN  
LINE IN 5  
6
LINE IN 7  
8
LINE IN 9 10  
LINE IN 11 12  
Use these jacks for convenient tape playback of your  
7. STEREO RETURNS  
mixes. You’ll be able to review a mix and then rewind  
and try another pass without repatching or disturbing  
the mixer levels. You can also use these jacks with a  
portable tape or CD player to feed music to a PA system  
between sets.  
This is where you connect the outputs of your par-  
allel effects devices (or extra audio sources). These  
balanced inputs are similar to the stereo LINE IN [2]  
inputs (without EQ, Aux Sends, Pan, Mute, and Solo).  
The circuits will handle stereo or mono, balanced or  
unbalanced signals, either instrument level, –10 dBV  
or +4 dBu. They can be used with just about any pro or  
semipro effects device on the market. The signals com-  
ing into these inputs can be adjusted using the STEREO  
RETURN [40] knobs before passing onto the main mix  
bus, see page 19.  
WARNING: Engaging both the TAPE and  
ASSIGN TO MAIN MIX buttons in the CON-  
TROL ROOM SOURCE [33] matrix can create  
a feedback path between TAPE INPUT and TAPE OUT-  
PUT. Make sure your tape deck is not in record, record-  
pause, or input monitor mode, when you engage these  
switches, or make sure the CONTROL ROOM / SUBMIX  
[34] level knob is fully counterclockwise (off).  
One Device: If you have just one parallel effects  
device (two cords), use STEREO RETURN 1 and leave  
STEREO RETURN 2 unplugged. That way, the unused  
STEREO RETURN 2 level control can be used to feed  
STEREO RETURN 1 to your stage monitors, via the  
RETURN TO AUX 1 [41] switch.  
10. TAPE OUTPUT  
These unbalanced RCA connections tap the main  
mix output to make simultaneous recording and PA  
work more convenient. Connect these to your recorder’s  
inputs. (See also MAIN MIX [32] on page 16.)  
Mono Device: If you have an effects device with  
a mono output (one cord), plug that into STEREO  
RETURN 1, L/MONO, and leave STEREO RETURN 1,  
RIGHT, unplugged. This way the signal will be sent  
to both sides, magically appearing in the center as a  
mono signal. This won’t work with STEREO RETURN 2  
— you’ll need a Y-cord.  
Mono Out: If you want to feed a mono signal to your  
tape deck or other device, simply use an RCA Y-cord to  
combine these outputs. Do not attempt this with any  
other outputs on the 1202-VLZ3.  
1
11. ⁄4" MAIN OUTS  
8. AUX SEND 1&2  
These outputs feed the main mix out into the waiting  
world. You can feed your amplifiers this way, or through  
the XLR MAIN OUTS [13].  
The AUX SEND [31] knobs tap a portion of each  
channel's signal to provide an output here to feed exter-  
nal parallel effects processors or stage monitoring. See  
the AUX SEND details on page 15.  
These balanced outputs are capable of delivering 22  
dBu into a 600 ohm balanced or unbalanced load.  
These 1⁄4" jacks are balanced outputs capable of de-  
livering 22 dBu into a 600 ohm balanced or unbalanced  
load.  
To use these outputs to drive balanced inputs, con-  
nect 1⁄4" TRS (Tip–Ring–Sleeve) phone plugs like this:  
Tip = + (hot)  
9. TAPE INPUT  
Ring = –(cold)  
Sleeve = Ground  
These RCA jacks are designed to work with semipro  
as well as pro recorders. To compensate for typically  
low levels, signals coming in here will be automatically  
boosted by 6 dB.  
For most music recording and PA applications, unbal-  
anced lines are fine. To drive unbalanced inputs, con-  
nect 1⁄4" TS (Tip–Sleeve) phone plugs like this:  
Connect your tape recorder’s outputs here, using  
standard hi-fi (RCA) cables.  
Tip = + (hot)  
Sleeve = Ground  
10  
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POWER  
ON  
PHANTOM  
ON  
SERIAL NUMBER  
MANUFACTURING DATE  
CAUTION  
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT  
EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER.  
NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
AVIS: RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR  
REPLACE WITH THE SAME TYPE FUSE AND RATING.  
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE  
UTILISE UN FUSIBLE DE RECHANGE DE MÊME TYPE.  
DEBRANCHER AVANT DE REMPLACER LE FUSIBLE  
XDRTM EXTENDED DYNAMIC RANGE MIC PREAMPLIFIERS ARE PROPRIETARY TO MACKIE DESIGNS, INC.  
CONTROL  
ROOM  
ALT  
OUTPUT  
BAL/UNBAL  
CHANNEL INSERT  
PRE-FADER / PRE EQ TIP SEND / RING RETURN  
BLALMANACINED  
(
)
BAL/UNBAL  
R
L
R/4  
L/3  
4
3
2
1
MAIN  
OUTPUT  
LEVEL  
13  
14  
15  
16  
17  
loed channels, or the Tape input. The volume is adjust-  
able with the CONTROL ROOM/SUBMIX [34]knob.  
12. PHONES  
This stereo jack will drive any standard headphone  
to very loud levels. Walkperson-type phones can also be  
used with an appropriate adapter. To learn how signals  
are routed to these outputs, see SOURCE MATRIX  
[33] on page 16. If you’re wiring your own cable for the  
PHONES output, follow standard conventions:  
These balanced outputs are capable of delivering 22  
dBu into a 600 ohm balanced or unbalanced load.  
16. ALT 3–4 OUTPUT  
These 1⁄4" outputs are the sum of any channels that  
have the MUTE/ALT 3-4 [25] switch pressed in (see  
page 13 for the tender details).  
Tip = Left channel  
Ring = Right channel  
Sleeve = Common ground  
These balanced outputs are capable of delivering 22  
dBu into a balanced or unbalanced load.  
WARNING: When we say the headphone  
amp is loud, we’re not kidding. It can cause  
17. CHANNEL INSERT (Channels 1–4 )  
permanent ear damage. Even intermediate  
levels may be painfully loud with some earphones. BE  
CAREFUL! Always turn the CTL ROOM/ SUBMIX [34]  
knob all the way down before connecting headphones.  
Keep it down until you’ve put the phones on. Then turn  
it up slowly. Why? “Engineers who fry their ears find  
themselves with short careers.”  
These rear-panel jacks are where you connect serial  
effects such as compressors, equalizers, de-essers, or  
filters. Since most people don’t have more than a few of  
these gadgets, we’ve included inserts for just the first  
four channels. If you want to use this kind of process-  
ing on channels 5 through 12, simply patch through the  
processor before you plug into the 1202-VLZ3.  
13. XLR MAIN OUTS  
Use these to send the main mix out into the line-level  
balanced inputs of your amplifier or powered speakers.  
The channel insert points are after the GAIN [4] and  
LOW CUT [3] controls, but before the channel’s EQ  
[27] and LEVEL [23] controls. The send (tip) is low-  
impedance (120 ohms), capable of driving any line-level  
device. The return (ring) is high-impedance (over 2.5 k  
ohms) and can be driven by almost any device.  
These low-impedance outputs are fully balanced  
and capable of driving +4 dBu lines with up to 28 dB  
of headroom. This output is 6 dB hotter than other  
outputs.  
SEND to processor  
ring  
“tip”  
(TRS plug)  
tip  
sleeve  
14. XLR MAIN OUTPUT LEVEL SWITCH  
Engaging this switch reduces the level of the bal-  
This plug connects to one of the  
mixer’s Channel Insert jacks.  
“ring”  
RETURN from processor  
anced XLR main outputs by 40 dB, so you can feed the  
microphone input of, say, another mixer. (You can safely  
connect the XLR outputs into an input that provides 48V  
phantom power.)  
See Appendix B for details and drawings about Insert  
cables, and a diagram showing three ways to use the  
jacks.  
15. CONTROL ROOM  
Besides being used for inserting external devices,  
these jacks can also be used as channel direct outputs;  
post-GAIN, post-LOW CUT, and pre EQ. In fact, Mackie  
mic preamps have become so famous, that people buy  
these mixers just to have four of these in their arsenal.  
These 1⁄4" outputs are provided so you can listen  
to something other than the main mix. The source is  
selected using the SOURCE MATRIX [33] switches (see  
page 16). You can choose to listen to the main mix, the  
Alt 3-4 stereo bus (see MUTE/ALT 3-4 on page 13), So-  
11  
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21 22  
POWER  
ON  
PHANTOM  
ON  
SERIAL NUMBER  
MANUFACTURING DATE  
CAUTION  
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT  
EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER.  
NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
AVIS: RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR  
REPLACE WITH THE SAME TYPE FUSE AND RATING.  
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE  
UTILISE UN FUSIBLE DE RECHANGE DE MÊME TYPE.  
DEBRANCHER AVANT DE REMPLACER LE FUSIBLE  
XDRTM EXTENDED DYNAMIC RANGE MIC PREAMPLIFIERS ARE PROPRIETARY TO MACKIE DESIGNS, INC.  
18  
19  
CONTROL  
ALT  
ROOM  
OUTPUT  
BAL/UNBAL  
CHANNEL INSERT  
PRE-FADER / PRE EQ TIP SEND / RING RETURN  
BLALMANACINED  
(
)
BAL/UNBAL  
R
L
R/4  
L/3  
4
3
2
1
MAIN  
OUTPUT  
LEVEL  
20  
18. POWER CONNECTION  
21. POWER SWITCH  
Just in case you lose the cord provided with the 1202-  
VLZ3, its power jack accepts a standard 3-prong IEC  
cord like those found on most professional recorders,  
musical instruments, and computers.  
Press the top of this rocker switch inwards to turn on  
the mixer. The power LED on the top surface of the mix-  
er will glow with happiness, or at least it will if you have  
the mixer plugged in to a suitable live AC mains supply.  
WARNING: Before you plug the AC power  
cord into the 1202-VLZ3, you must make sure  
that the VOLTAGE SELECTOR [20] slide  
switch is set to the same voltage as your local AC mains  
supply.  
Press the bottom of this switch to turn off the mixer,  
whenever you feel that this would be a safe thing to do.  
Half-way through Mad Mike's Heavy Metal guitar solo  
might not be such a good time.  
As a general guide, you should turn on your mixer  
WARNING: Disconnecting the plug’s ground first, before the power amplifier or powered speakers,  
pin can be dangerous. Please don’t do it.  
and turn it off last. This will reduce the possibilities of  
any turn-on, or turn-off thumps in your speakers.  
19. FUSE  
22. PHANTOM SWITCH  
The 1202-VLZ3 is fused for your (and its own) protec-  
tion. If you suspect a blown fuse, disconnect the cord,  
pull the fuse drawer out (located just below the cord  
receptacle) and replace the fuse with a 500 mA (0.5  
amps) SLO BLO 5x20mm, available at electronics stores  
or your dealer. Use a 250 mA fuse if your local voltage is  
220-240 VAC.  
This global rocker switch controls the phantom power  
supply for condenser microphones plugged into channel  
MIC [1] inputs (see page 8).  
Press the top of the switch inwards to engage phan-  
tom power to the four MIC inputs. Press the bottom of  
the switch to turn it off.  
If two fuses blow in a row, something is very wrong.  
Please call our toll-free number 1-800-898-3211 from  
within the U.S. (or the distributor in your country) and  
find out what to do.  
When turned on (or off), the phantom power circuitry  
takes a few moments for voltage to ramp up (or down).  
This is perfectly normal. Just like me. Oh, and my imagi-  
nary friend Lazlo who helps me write all the manuals.  
Say hello to the nice folks Lazlo.  
20. VOLTAGE SELECTOR  
WARNING: Before you plug the AC power  
cord into the 1202-VLZ3, you must make sure  
that this slide switch is set to the same volt-  
age as your local AC main supply. Only slide the voltage  
switch with the power cord unplugged.  
Use a flat headed screwdriver to slide the switch if  
needed. The switch allows you to use the mixer in differ-  
ent countries and voltages, meet interesting people from  
other cultures, and entertain them with your unique  
blend of Rockabilly Funkadelia Thrash Metal.  
12  
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Channel Strip Description  
The eight channel strips look alike, and function iden- mix, or to just check out what a particular channel is up  
tically. The only difference is that the four on the left  
are for individual mics or mono instruments and have  
more gain available, while the next four are for either  
stereo or mono line-level sources. (Each of the stereo  
channel strips is actually two complete circuits. The  
controls are linked together to preserve stereo.) We’ll  
start at the bottom and work our way up…  
to anytime during a session. You can solo as many chan-  
nels at a time as you like.  
Solo is also the key player in the Level-Setting Proce-  
dure on page 3.  
Soloed channels are sent to the SOURCE mix, which  
ultimately feeds your control room, phones and meter  
display. Whenever SOLO is engaged, all SOURCE selec-  
tions (MAIN MIX, ALT 3-4 and TAPE) are defeated, to  
allow the soloed signal to do just that — solo!  
“U” LIKE UNITY GAIN  
Mackie mixers have a “U” symbol on almost every  
level control. This “U” stands for “unity gain,” meaning  
no change in signal level. Once you have adjusted the  
input signal to line-level, you can set every control at  
“U” and your signals will travel through the mixer at  
optimal levels. What’s more, all the labels on our level  
controls are measured in decibels (dB), so you’ll know  
what you’re doing level-wise if you choose to change a  
control’s settings.  
WARNING: PRE-FADER SOLO taps the  
channel signal before the LEVEL knob. If  
you have a channel’s LEVEL knob set below  
“U” (unity gain), SOLO won’t know that and will send a  
unity gain signal to the control room, phones and meter  
display. That may result in a startling level boost at  
these outputs.  
25. MUTE/ALT 3–4  
U
You won’t have to check it here  
and check it there, as you would  
with some other mixers. In fact,  
some don’t even have any refer-  
ence to actual dB levels at all!  
You were smart — you bought a  
Mackie.  
AUX  
The dual-purpose MUTE/ALT 3–4 bus is a Mackie  
signature. When Greg was designing our first product,  
he had to include a mute switch for each channel. Mute  
switches do just what they sound like they do. They turn  
off the signal by “routing” it into oblivion. “Gee, what a  
waste,” Greg reasoned. “Why not have the mute button  
route the signal somewhere else useful… like a sepa-  
rate stereo bus?” So MUTE/ALT 3–4 really serves two  
functions — muting (often used during a mixdown or  
live show), and signal routing (for multitrack and live  
work) where it acts as an extra stereo bus.  
O O  
+15  
U
O O  
U
+15  
EQ  
HI  
12kHz  
23. LEVEL  
-15 +15  
U
This adjusts the channel’s  
level… from off, to unity gain at  
the detent, on up to 12 dB of ad-  
ditional gain.  
MID  
2.5kHz  
-15 +15  
U
To use this as a MUTE switch, all you have to do is  
not use the ALT 3–4 [16] outputs. Then, whenever you  
press this switch, you will assign a channel to these un-  
used outputs, disconnecting it from the main mix, and  
effectively muting the channel.  
LOW  
80Hz  
The LEVEL knob is the equiva-  
lent of a channel fader, so some-  
times we lapse and say the word  
fader.  
-15 +15  
PAN  
To use this as an ALT 3–4 switch, all you have to do  
is connect the ALT 3–4 outputs to whatever destination  
you desire. Here are two popular examples:  
L
R
Channels 1 through 4 use mono  
controls, and channels 5 through  
12 use stereo controls, and so they  
may feel slightly different. Not a  
problem.  
1
25  
24  
MUTE  
ALT 3 4  
PRE FADER  
SOLO  
When doing multitrack recording, use the ALT 3–4  
outputs to feed your multitrack. With most decks, you  
can "mult" the ALT 3–4 [16] outputs, using Y-cords or  
mults, to feed multiple tracks. So, take ALT OUTPUT L  
and send it to tracks 1, 3, 5 and 7, and ALT OUTPUT R  
and send it to tracks 2, 4, 6 and 8. Now, tracks that are  
in Record or Input modes will hear the ALT 3–4 signals,  
and tracks in Playback or Safe modes will ignore them.  
U
24.PRE-FADER SOLO  
23  
This lovable switch allows you  
to hear signals through your head-  
phones or control room without  
having to route them to the main  
mix or ALT 3-4 mix. You don’t even  
have to have the channel’s LEVEL  
[23] knob turned up. Folks use  
solo in live work to preview chan-  
nels before they are let into the  
O O +12dB  
LEVEL  
When doing live sound or mixdown, it’s often handy  
to control the level of several channels with one knob.  
That’s called subgrouping. Simply assign these channels  
to the ALT 3–4 mix, engage ALT 3–4 in the SOURCE  
[33] matrix, and the signals will appear at the CON-  
13  
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TROL ROOM [15] and PHONES [12] outputs. If you  
want the ALT 3–4 signals to go back into the main mix,  
engage the ASSIGN TO MAIN MIX [36] switch, and the  
CONTROL ROOM/SUBMIX [34] level control becomes  
the one knob to control the levels of all the channels  
assigned to ALT 3–4.  
CONSTANT LOUDNESS ! ! !  
The 1202-VLZ3’s PAN controls employ a design called  
“Constant Loudness.” It has nothing to do with living  
next to an all-night disco. As you turn the PAN [26]  
knob from left to right (thereby causing the sound to  
move from the left to the center to the right), the sound  
will appear to remain at the same volume (or loudness).  
Another way to do the same thing is assign the chan-  
nels to the ALT 3–4 mix, then patch out of the ALT 3–4  
OUTPUT [16]back into an unused stereo channel LINE  
INPUT [2]. If that’s your choice, don’t ever engage the  
MUTE/ALT 3–4 switch on that stereo channel, or you’ll  
have every dog in the neighborhood howling at your  
feedback loop.  
If you have a channel panned hard left (or right) and  
reading 0 dB, it must dip down about 4 dB on the left  
(or right) when panned center. To do otherwise (the  
way Brand X compact mixers do) would make the sound  
appear much louder when panned center.  
Another benefit of the ALT 3–4 feature is that it can  
act as a “SIP” (Solo-In-Place): just engage a channel's  
MUTE/ALT 3–4 switch and the ALT 3–4 switch in the  
SOURCE matrix and you’ll get that channel, all by itself,  
in the control room and phones.  
3-BAND EQ  
The 1202-VLZ3 has 3-band equalization at carefully  
selected points — LOW shelving at 80 Hz, MID peaking  
at 2.5 kHz, and HI shelving at 12 kHz. “Shelving” means  
that the circuitry boosts or cuts all frequencies past the  
specified frequency. For example, rotating the LOW EQ  
knob 15 dB to the right boosts bass starting at 80 Hz and  
continuing down to the lowest note you never heard.  
“Peaking” means that certain frequencies form a “hill”  
around the center frequency — 2.5 kHz in the case of  
the MID EQ.  
MUTE/ALT 3–4 is one of those controls that can bewil-  
der newcomers, so take your time and play around with  
it. Once you’ve got it down, you’ll probably think of a  
hundred uses for it!  
U
AUX  
26. PAN  
31  
PAN adjusts the amount of  
27. LOW EQ  
O O  
U
+15  
channel signal sent to the left  
versus the right outputs. On  
mono channels (ch. 1–4 or  
5–12 with connections to the L  
input only) these controls act  
as pan pots. On stereo channels  
(5–12) with stereo connections  
to L and R inputs, the PAN knob  
works like the balance control  
on your home stereo.  
This control gives you  
up to 15 dB boost or cut  
below 80 Hz. The circuit is  
flat (no boost or cut) at the  
center detent position. This  
frequency represents the  
punch in bass drums, bass  
guitar, fat synth patches,  
and some really serious  
male singers.  
+15  
+10  
30  
+5  
0
O O  
U
+15  
EQ  
–5  
HI  
29  
28  
27  
12kHz  
–10  
–15  
-15 +15  
U
20Hz  
100Hz  
1kHz  
10kHz 20kHz  
Low EQ  
MID  
2.5kHz  
+15  
+10  
-15 +15  
U
PAN determines the fate of  
the main mix and ALT 3–4 mix.  
With the PAN knob hard left,  
the signal will feed either MAIN  
OUT L (bus 1) or ALT OUTPUT  
L (bus 3), depending on the  
position of the ALT 3–4 switch.  
With the knob hard right, the  
signal feeds MAIN OUT R (bus  
2) or ALT OUTPUT R (bus 4).  
+5  
0
LOW  
80Hz  
Used in conjunction with  
the LOW CUT [3] switch,  
you can boost the LOW EQ  
without injecting a ton of  
subsonic debris into the  
mix.  
-15 +15  
–5  
–10  
–15  
PAN  
26  
20Hz  
100Hz  
1kHz  
10kHz 20kHz  
Low EQ with Low Cut  
L
R
1
MUTE  
ALT 3 4  
28. MID EQ  
Short for “midrange,”  
PRE FADER  
SOLO  
+15  
+10  
U
this knob provides 15 dB  
of boost or cut, centered at  
2.5 kHz, also flat at the cen-  
ter detent. Midrange EQ  
is often thought of as the  
most dynamic, because the  
frequencies that define any  
+5  
0
–5  
–10  
–15  
O O +12dB  
LEVEL  
20Hz  
100Hz  
1kHz  
10kHz 20kHz  
Mid EQ  
particular sound are almost always found in this range.  
You can create many interesting and useful EQ changes  
by turning this knob down as well as up.  
14  
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Each AUX send level ranges from off through unity  
(the center detent position) on up to 15 dB of extra gain  
(when turned fully clockwise). Chances are you’ll never  
need this extra gain, but it’s nice to know it’s there if  
you do.  
29. HI EQ  
This control gives you up  
to 15 dB boost or cut above  
12 kHz, and it is also flat  
at the detent. Use it to add  
sizzle to cymbals, and an  
overall sense of transpar-  
ency, or edge to keyboards,  
vocals, guitar and bacon  
frying. Turn it down a little  
to reduce sibilance, or to  
hide tape hiss.  
+15  
+10  
+5  
0
–5  
Channel 5–12 AUX knobs control the mono sum of  
the channel’s stereo signals for each AUX send. For  
instance, channel 5 (L) and 6 (R) mix together to feed  
that channel’s AUX send knobs.  
–10  
–15  
20Hz  
100Hz  
1kHz  
10kHz 20kHz  
High EQ  
We recommend going into a stereo reverb in mono and  
returning in stereo. We have found that on most “stereo”  
reverbs the second input just ties up an extra AUX send  
and adds nothing to the sound. There are exceptions, so  
feel free to try it both ways. If your effects device is true  
stereo all the way through, use AUX 1 to feed its left  
input and AUX 2 to feed the right input.  
MODERATION DURING EQ  
With EQ, you can also screw things up royally. We’ve  
designed a lot of boost and cut into each equalizer cir-  
cuit, because we know everyone will occasionally need  
that. But if you max the EQs on every channel, you’ll  
get mix mush. Equalize subtly and use the left sides of  
the knobs (cut), as well as the right (boost). Very few  
gold-record-album engineers ever use more than about  
3 dB of EQ. If you need more than that, there’s usually a  
better way to get it, such as placing a mic differently (or  
using a different kind of mic entirely).  
Still with us? Good for you. Here come the tricky  
parts, the output or master section where the mixing is  
really done. We have even started it on a new page:  
30. AUX 2 SEND  
31. AUX 1 SEND  
These knobs allow you to tap a portion of each chan-  
nel signal out to another source for parallel effects  
processing or stage monitoring. AUX send levels are con-  
trolled by these knobs and by the AUX 1 MASTER [39].  
These are more than just effects and monitor sends.  
They can be used to generate separate mixes for record-  
ing or “mix-minuses” for broadcast. By using AUX 1 in  
the PRE mode, these mix levels can be obtained inde-  
pendently of the channel’s LEVEL control.  
AUX 1 in post mode and AUX 2 are post-LOW CUT,  
post-EQ and post-LEVEL. That is, the sends obey the  
settings of these controls. AUX 1 in PRE mode follows  
the EQ and LOW CUT settings only. PAN and LEVEL  
have no effect on the PRE send (see diagram below).  
LEVEL  
PAN  
MAIN / ALT  
INPUT  
GAIN  
LO CUT  
INSERT  
EQ  
"POST" SIGNAL OBEYS  
MUTE STATUS  
AUX 2 KNOB  
“Pre vs. Post”  
Signal Flow Diagram  
TO AUX SEND 2 LEVEL  
TO AUX SEND 1 LEVEL  
"POST" SIGNAL  
AUX 1 KNOB  
"PRE" SIGNAL  
AUX SEND 1 PRE/POST SWITCH  
(IN MASTER SECTION)  
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Output Section  
33. CONTROL ROOM SOURCE MATRIX  
Typically, the engineer sends the main mix to an  
audience (if live) or a mixdown deck (if recording). But  
what if the engineer in the control room needs to hear  
something other than the main mix? With the 1202-  
VLZ3, the engineer has several choices of what to listen  
to. This is one of those tricky parts, so brace yourself.  
POWER  
Via these SOURCE switches, you can choose to listen  
to any combination of main mix, ALT 3-4 and Tape. By  
now, you probably know what the main mix is. ALT 3-4 is  
that additional stereo mix bus. Tape is the stereo signal  
coming in from the TAPE INPUT [9] jacks.  
LEFT RIGHT  
CONTROL  
ROOM  
0dB=0dBu  
20  
10  
7
CLIP  
SOURCE  
33  
36  
MAIN MIX  
37  
4
2
Selections made in the source matrix deliver stereo  
signals to the control room, phones and meter display.  
With no switches engaged, there will be no signal at  
these outputs and no meter indication.  
ALT 3 4  
0
2
4
TAPE  
LEVEL  
SET  
7
The exception is the solo function. Regardless of  
the source selection, engaging a channel’s SOLO [24]  
switch will replace that selection with the solo signal,  
also sent to the control room, phones and right meter  
(the left meter becomes inactive). This is what makes  
the Level-Setting Procedure so easy to do.  
10  
20  
30  
ASSIGN  
RUDE  
SOLO  
LIGHT  
TO MAIN MIX  
35  
32  
U
U
WARNING: Engaging both the TAPE and  
ASSIGN TO MAIN MIX [36] buttons can  
34  
create a feedback path between TAPE INPUT  
[9] and TAPE OUTPUT [10]. Make sure your tape deck  
is not in record, record-pause, or input-monitor mode  
when you engage these switches, or make sure the CON-  
TROL ROOM / SUBMIX 34] level knob is fully counter-  
clockwise (off).  
O O  
O O +12dB  
MAIN MIX  
MAX  
CTL ROOM /SUBMIX  
Now you know how to select the signals to send to the  
engineer’s control room or phones. From there, these  
signals all pass through the same level control:  
32. MAIN MIX  
This knob controls the levels of signals sent to the  
main outputs: XLR [13] and 1⁄4" [11] and RCA TAPE  
OUTPUT [10]. All channels and STEREO RETURNS [7]  
that are not muted or turned fully down will wind up in  
the main mix.  
34. CONTROL ROOM/SUBMIX  
This knob controls the levels of both the stereo CON-  
TROL ROOM [15] and PHONES [12] outputs. The con-  
trol range is from off through unity gain at the detent,  
with 10 dB of extra gain (when turned fully clockwise).  
Fully counterclockwise is off, the center detent is  
unity gain, and fully clockwise provides 12 dB of addi-  
tional gain. This additional gain will typically never be  
needed, but once again, it’s nice to know it’s there. This  
is the knob to turn down at the end of the song when  
you want The Great Fade-Out.  
When MAIN MIX is your control room source selec-  
tion, those signals will now pass through two level con-  
trols on the way to your control room amp and phones  
— the MAIN MIX [32] knob and this CONTROL ROOM  
/ SUBMIX knob. This way, you can send a nice healthy  
level to the main output (MAIN MIX knob at “U”), and  
a quiet level to the control room or phones (CONTROL  
ROOM / SUBMIX knob wherever you like it).  
When ALT 3-4 or TAPE is selected, or SOLO [24] is  
engaged, the CONTROL ROOM / SUBMIX knob will be  
the only one controlling these levels (channel controls  
not withstanding).  
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Whatever your selection, you can also use the CON-  
TROL ROOM [15] outputs for other applications. Its  
sound quality is just as impeccable as the MAIN OUTS  
[11 and 13]. It can be used as additional main mix  
output, which may sound silly since there are already  
three, but this one has its own level control. However,  
should you do something like this, be sure that you do  
not engage a SOLO switch, as that will interrupt your  
SOURCE selection.  
36. ASSIGN TO MAIN MIX  
Let’s say you’re doing a live show. Intermission is near-  
ing and you’ll want to play a soothing CD for the crowd  
to prevent them from eating the furniture. Then you  
think, “But I have the CD player plugged into the TAPE  
inputs, and that never gets to the MAIN OUTS!” Oh, but  
it does. Simply engage this switch and your control room  
source selection, after going through the CONTROL  
ROOM / SUBMIX [34] knob, will feed into the main mix,  
just as if it were another stereo channel.  
A WORD ABOUT PRE-FADER SOLO (PFL)  
Another handy use for this switch is to enable the ALT  
3-4 mix to become a submix of the main mix, using the  
CONTROL ROOM/SUBMIX knob as its level control.  
Engaging a channel’s SOLO [24] switch will cause  
this dramatic turn of events: Any existing control room  
source selections will be replaced by the solo signal,  
appearing in the control room, headphones, and in the  
right meter. The audible solo levels are then controlled  
by the CONTROL ROOM / SUBMIX [34] knob. The solo  
levels appearing on the right meter display are not con-  
Side effects: (1) Engaging this switch will also feed  
any soloed channels into the main mix, which may be  
the last thing you want. (2) If you have MAIN MIX as  
your control room source selection and then engage AS-  
trolled by anything — you wouldn’t want that. You want SIGN TO MAIN MIX, the main mix lines to the control  
to see the actual channel level on the meter display  
regardless of how loud you’re listening.  
room will be interrupted to prevent feedback. Then  
again, why would anyone want to assign the main mix to  
the main mix?  
“PRE-FADER” SOLO means that the channel signal  
is being tapped before the channel’s LEVEL [23] knob  
(not really a fader in this case, but we were afraid you’d  
laugh if we called it Pre-Knob Solo). It does, however,  
obey GAIN [4], LOW CUT [3] and EQ [27] settings,  
making it the perfect tool for quick inspections of sus-  
pect channels. The channel’s PAN [26] and MUTE/ALT  
3-4 [25]settings have no effect on the solo signal.  
37. METERS – MANY DISPLAYS IN ONE!  
The 1202-VLZ3’s peak metering system is made up of  
two columns of twelve LEDs. Deceptively simple, consid-  
ering the multitude of signals that can be monitored by  
it.  
If nothing is selected in the SOURCE matrix and no  
channels are in SOLO, the METERS will just sit there  
and do nothing. To put them to work, you must make  
a selection in the SOURCE matrix (or engage a SOLO  
switch).  
Note: For stereo channels 5-12, the solo signal is the  
mono sum of the left (odd-numbered) and right (even-  
numbered) signals for that channel strip.  
WARNING: PRE-FADER SOLO [24] taps  
the channel signal before the LEVEL knob. If  
you have a channel’s LEVEL knob set below  
Why? You want the meter display to reflect what the  
engineer is listening to, and as we’ve covered, the en-  
“U” (unity gain), SOLO won’t know that, and will send a gineer is listening either to the CONTROL ROOM [15]  
unity gain signal to the control room, phones and meter outputs or the PHONES [12] outputs. The only differ-  
display, that may result in a startling level boost at these ence is that while the listening levels are controlled by  
outputs.  
the CONTROL ROOM / SUBMIX [34] knob, the meters  
read the SOURCE mix before that control, giving you the  
real facts at all times, even if you’re not listening at all.  
35. RUDE SOLO LIGHT  
This flashing Light Emitting Diode serves two purpos-  
es — to remind you that at least one channel is in solo,  
and to let you know that you’re mixing on a Mackie. No  
other company is so concerned about your level of solo  
awareness. If you work on a mixer that has a solo func-  
tion with no indicator lights, and you happen to forget  
you’re in solo, you can easily be tricked into thinking  
that something is wrong with your mixer. Hence the  
RUDE SOLO LIGHT. It’s especially handy at about 3 a.m.  
when no sound is coming out of your monitors but your  
multitrack is playing back like mad.  
Thanks to the 1202-VLZ3’s wide dynamic range,  
you can get a good mix with peaks flashing anywhere  
between –20 and +10 dB on the METERS. Most ampli-  
fiers clip at about +10 dB, and some recorders aren’t so  
forgiving either. For best real-world results, try to keep  
your peaks between “0” and “+7”.  
You may already be an expert at the world of “+4” (+4  
dBu=1.23 V) and “–10” (–10 dBV=0.32 V) operating  
levels. Basically, what makes a mixer one or the other  
is the relative 0 dB VU (or 0 VU) chosen for the meters.  
A “+4” mixer, with a +4 dBu signal pouring out the back  
will actually read 0 VU on its meters. A “–10” mixer,  
with a –10 dBV signal trickling out, will read 0VU on its  
meters. So when is 0 VU actually 0 dBu? Right now!  
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At the risk of creating another standard, Mackie’s  
compact mixers address the need of both crowds by  
calling things as they are — 0 dBu (0.775 V) at the  
output shows as 0 dB VU on the METERS. What could  
be easier? By the way, the most wonderful thing about  
standards is that there are so many to choose from.  
These outputs can be fed to the inputs of a reverb or  
other device. From there, the outputs of this external  
device are fed back to the mixer’s STEREO RETURN [7]  
jacks. Then these signals are sent through the STEREO  
RETURN [40] level controls, and finally delivered to the  
main mix.  
Remember, audio meters are just tools to help assure  
So, the original “dry” signals go from the channels to  
you that your levels are “in the ballpark.” You don’t have the main mix and the affected “wet” signals go from the  
to stare at them (unless you want to).  
STEREO RETURN [7] to the main mix, and once mixed  
together, the dry and wet signals combine to create a  
glorious sound. So, armed with this knowledge, let’s visit  
the Auxiliary World:  
A Word About Aux  
First of all, there is no particular alliance between  
AUX SEND 1 (or 2) and STEREO RETURN 1 (or 2).  
They’re just numbers. They’re like two complete strang-  
ers.  
38. PRE or POST (AUX 1)  
Besides being used to work effects into your mix, Aux  
Sends serve another critical role — that of delivering  
cue mixes to stage monitors, so musicians can hear what  
they’re doing. On the 1202-VLZ3, AUX SEND 1 can play  
either role, depending on the position of this switch.  
SENDS are outputs, RETURNS are inputs. The chan-  
nel AUX [30 and 31] knobs tap the signal off the chan-  
nel and sends it to the AUX SEND [8] outputs. AUX 1  
signal is sent to the AUX 1 MASTER [39] knob before  
going to the AUX SEND 1 [8] output and the AUX 2  
signal goes directly to the AUX SEND 2 [8] output.  
With this switch up (disengaged), AUX SEND 1 will  
tap a channel pre-fader (LEVEL) and pre-MUTE/ALT  
3-4, meaning that no matter how you manipulate those  
controls as they feed the main mix, the AUX SEND will  
continue to belt out that channel’s signal. This is the  
preferred method for setting up stage monitor feeds. EQ  
settings will affect all AUX SENDs.  
39  
40  
41  
With the switch down, the AUX SEND 1 becomes an  
ordinary effects send — post-fader (LEVEL) and post-  
MUTE/ALT 3-4. This is a must for effects sends, since  
you want the levels of your “wet” signals to follow the  
level of the “dry.”  
38  
POWER  
LEFT RIGHT  
CONTROL  
0dB=0dBu  
ROOM  
20  
10  
7
CLIP  
SOURCE  
39. AUX 1 MASTER  
MAIN MIX  
This knob provides overall level control of AUX SEND  
1, just before it’s delivered to the AUX SEND 1 [8] out-  
put. (AUX SEND 2 has no such control.) This knob goes  
from off (turned fully down), to unity gain at the center  
detent, with 10 dB of extra gain (turned fully up). As  
with some other level controls, you may never need the  
additional gain, but if you ever do, you’ll be glad you  
bought a Mackie.  
4
2
ALT 3 4  
0
2
4
TAPE  
LEVEL  
SET  
7
10  
20  
30  
This is usually the knob you turn up when the lead  
singer glares at you, points at his stage monitor, and  
sticks his thumb up in the air. (It would follow suit that  
if the singer stuck his thumb down, you’d turn the knob  
down… but that never happens.)  
ASSIGN  
RUDE  
TO MAIN MIX  
SOLO  
LIGHT  
U
U
O O  
O O +12dB  
MAIN MIX  
MAX  
40. STEREO RETURNS  
CTL ROOM /SUBMIX  
These two controls set the overall level of effects re-  
ceived from STEREO RETURN [7] inputs 1 and 2. These  
controls are designed to handle a wide range of signal  
levels, from off, to unity gain at the detent, with 20 dB  
gain fully clockwise, to compensate for low-level effects.  
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Typically, these knobs can just live at the center  
detent, and the effects device’s output control should  
be set at whatever they call unity gain (check their  
manual). If that turns out to be too loud or too quiet,  
adjust the effects device’s outputs, not the mixer. That  
way, the mixer’s knobs are easy to relocate at the center  
detent.  
Engage the RETURN TO AUX 1 switch, and now the  
STEREO RETURN 2 knob will become an additional  
AUX SEND 1 knob for the signal at AUX RETURN 1. Say  
that ten times! Once again, AUX RETURN 1 will behave  
normally, as always.  
Congratulations! You’ve just read about all the fea-  
tures of your 1202-VLZ3. You’re probably ready for a cold  
one. Go ahead. The rest of the manual can wait.  
Signals passing through these controls will proceed  
directly to main mix, with one exception (see paragraph  
below). The STEREO RETURNs do not have MUTE/ALT  
3-4 switches, so if you want these signals to get to the  
ALT 3-4 mix, you’ll have to patch the effects device’s  
outputs into one of the stereo channels, and MUTE/ALT  
those channels.  
41. RETURN TO AUX 1  
If you want to add reverb or delay to the stage monitor  
mixes of AUX 1, this is the switch for you.  
With the switch up, STEREO RETURN 1 and 2 behave  
normally — they deliver their signals into the main mix.  
With the switch down, STEREO RETURN 1 still behaves  
normally, but STEREO RETURN 2 will feed AUX SEND 1  
instead of the main mix.  
Still with us? Good. So far, with the switch down, we  
have STEREO RETURN 1 feeding the main mix and  
STEREO RETURN 2 feeding AUX SEND 1. Now, sup-  
pose you only have one effects device, and you want it to  
feed both the MAIN MIX and AUX SEND 1. That’s where  
“jack normalling” comes in:  
JACK NORMALLING  
Jack normalling (not to be confused with Jack  
Normalling, Chicago Cubs utility infielder, 1952-61, .267  
LBA) is a feature found on almost every mixer, keyboard  
and effects device. These jacks have special spring-  
loaded pins that connect to the signal pins, but when  
something is plugged into the jack, that connection is  
broken.  
These normalling pins can be used in all sorts of ways.  
The ubiquitous phrase “LEFT (MONO)” means that if  
you plug a signal into the LEFT side and have nothing in  
the RIGHT side, that signal is also fed to the right input,  
courtesy of jack normalling. As soon as you plug some-  
thing in the RIGHT side, that normalled connection is  
broken.  
How does all this relate to the  
ALL BAL/UNBAL  
1
R
L /MONO  
RETURN TO AUX 1 [41] switch?  
STEREO RETURN 1’s inputs are  
normalled to STEREO RETURN 2.  
If you have one effects device, plug  
it into STEREO RETURN 1. Plug  
nothing into STEREO RETURN 2.  
1
2
L
R
2
AUX SEND  
Now the signals feeding the STEREO RETURN 1 inputs  
will also be sent to the STEREO RETURN 2 inputs.  
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Appendix A: Service Information  
Warranty Service  
Repair  
Details concerning the Limited Warranty are spelled  
out on page 27 of this manual.  
Service for Mackie products is available at a factory-  
authorized service center. Service for Mackie products  
living outside the United States can be obtained through  
local dealers or distributors.  
If you think your 1202-VLZ3 has a problem, please  
check out the following troubleshooting tips and do your  
best to confirm the problem. Visit the Support section of If your 1202-VLZ3 needs service, follow these instructions:  
our website (www.mackie.com) where you will find lots  
1. Review the preceding troubleshooting suggestions.  
of useful information such as FAQs, documentation and  
Please.  
user forums. You may find the answer to the problem  
without having to send your mixer away.  
2. Call Tech Support at 1-800-898-3211, 7 am to 5 pm  
PST, to explain the problem and request a Service  
Request Number. Have your serial number ready.  
You must have an Service Request Number before  
you can obtain warranty service.  
Troubleshooting  
Bad Channel  
3. Keep this owner’s manual and the detachable line-  
cord. We don’t need them to repair the unit.  
Is the MUTE/ALT 3–4 switch in the correct  
position?  
4. Pack the unit in its original package, including end-  
caps and box. This is VERY IMPORTANT. Mackie is  
not responsible for any damage that occurs due to  
non-factory packaging.  
Is the LEVEL knob turned up?  
Try unplugging any INSERT devices (Channels  
1–4 only).  
5. Include a legible note stating your name, shipping  
address (no P.O. boxes), daytime phone number,  
Service Request Number, a copy of your sales  
receipt, and a detailed description of the problem,  
including how we can duplicate it.  
Try the same source signal in another channel,  
set up exactly like the suspect channel.  
Bad Output  
Is the associated level knob (if any) turned up?  
6. Write the Service Request Number in BIG PRINT  
on top of the box. Units sent without the SR number  
will be refused.  
If it’s one of the MAIN OUTS, try unplugging  
all the others. For example, if it’s the 1⁄4"  
Left Main out, unplug the RCA and XLR Left  
outputs. If the problem goes away, its not the  
mixer.  
7. Tech Support will tell you where to ship the unit for  
repair. We suggest insurance for all forms of cart-  
age.  
If it’s a stereo pair, try switching them around.  
For example, if a left output is presumed dead,  
switch the left and right cords, at the mixer  
end. If the problem switches sides, it’s not the  
mixer.  
8. You will need to contact the authorized service  
center for their latest turn-around times. The unit  
should be packaged in its original packing box, and  
must have the Service Request Number on the box.  
Once it’s repaired, the authorized service center  
will ship it back by ground shipping, pre-paid (if it  
was a warranty repair).  
Noise  
Turn the channel LEVEL and AUX RETURN  
knobs down, one by one. If the sound disap-  
pears, it’s either that channel or whatever is  
plugged into it, so unplug whatever that is. If  
the noise disappears, it’s from your whatever.  
Note: Under the terms of the warranty, you must ship or  
drop-off the unit to an authorized service center.  
The return ground shipment is covered for those  
units deemed by us to be under warranty.  
Note: You must have a sales receipt from an authorized  
Mackie dealer for your unit to be considered for  
warranty repair.  
Power  
Unplug the power cord and check the fuse.  
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Appendix B: Connections  
“XLR” Connectors  
You can cook up your own adapter for a stereo  
microphone adapter. “Y” two cables out of a  
female 1⁄4" TRS jack to two male XLR plugs,  
one for the Right signal and one for the Left.  
Mackie mixers use 3-pin female “XLR” connectors on  
all microphone inputs, with pin 1 wired to the grounded  
(earthed) shield, pin 2 wired to the “high” (”hot” or  
positive polarity) side of the audio signal and pin 3  
wired to the “low” (“cold” or negative polarity) side of  
the signal. See Figure A. This is all totally aboveboard  
and in full accord with the hallowed standards dictated  
by the AES (Audio Engineering Society).  
Balanced mono circuits. When wired as a bal-  
anced connector, a 1⁄4" TRS jack or plug is con-  
nected tip to signal high (hot), ring to signal  
low (cold), and sleeve to ground (earth).  
Unbalanced Send/Return circuits. When wired  
as a send/return “Y” connector, a 1⁄4" TRS jack  
or plug is connected tip to signal send (output  
from mixer), ring to signal return (input back  
into mixer), and sleeve to ground (earth).  
Use a male “XLR”-type connector, usually found on the  
nether end of what is called a “mic cable,” to connect to  
a female XLR jack.  
2
SHIELD  
HOT  
14" TS Phone Plugs and Jacks  
1
3
COLD  
SHIELD  
1
“TS” stands for Tip-Sleeve, the two connections avail-  
able on a “mono” 1⁄4" phone jack or plug. See Figure C.  
3
COLD  
2
HOT  
SLEEVE  
SLEEVE  
TIP  
SHIELD  
COLD  
HOT  
1
3
TIP  
2
TIP  
SLEEVE  
Figure A: XLR Connectors  
Figure C: TS Plug  
14" TRS Phone Plugs and Jacks  
TS jacks and plugs are used in many different  
applications, always unbalanced. The tip is connected to  
the audio signal and the sleeve to ground (earth). Some  
examples:  
“TRS” stands for Tip-Ring-Sleeve, the three  
connections available on a “stereo” 14" or “balanced”  
phone jack or plug. See Figure B.  
Unbalanced microphones  
TRS jacks and plugs are used in several different ap-  
plications:  
Electric guitars and electronic instruments  
Unbalanced line-level connections  
RING SLEEVE  
TIP  
SLEEVE RING TIP  
Switched 14" Phone Jacks  
RING  
TIP  
Switches can be incorporated into 1⁄4" phone jacks,  
which are activated by inserting the plug. These switch-  
es may open an insert loop in a circuit, change the input  
routing of the signal or serve other functions. Mackie  
uses switches in the channel insert and bus insert  
jacks, input jacks and stereo returns. We also use these  
switches to ground the line-level inputs when nothing is  
plugged into them.  
SLEEVE  
Figure B: 14" TRS Plugs  
Stereo Headphones, and rarely, stereo micro-  
phones and stereo line connections.  
When wired for stereo, a 1⁄4" TRS jack or plug  
is connected tip to left, ring to right and sleeve  
to ground (earth). Mackie mixers do not  
directly accept 1-plug-type stereo microphones.  
They must be separated into a left cord and a  
right cord, which are plugged into the two mic  
preamps.  
In most cases, the plug must be inserted fully to  
activate the switch. Mackie takes advantage of this in  
some circuits, specifying circumstances where you are  
to insert the plug only partially. See Special Mackie  
Connections, on the next page.  
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RCA Plugs and Jacks  
Special Mackie Connections  
RCA-type plugs (also known as phono plugs) and  
jacks are often used in home stereo and video equip-  
ment and in many other applications (Figure D). They  
are unbalanced and electrically identical to a 1⁄4" TS  
phone plug or jack. See Figure C. Connect the signal to  
the center post and the ground (earth) or shield to the  
surrounding “basket.”  
The balanced-to-unbalanced connection has been  
anticipated in the wiring of Mackie jacks. A 14" TS plug  
inserted into a 14" TRS balanced input, for example,  
will automatically unbalance the input and make all the  
right connections. Conversely, a 14" TRS plug inserted  
into a 14" unbalanced input will automatically tie the  
ring (low or cold) to ground (earth).  
TRS Send/Receive Insert Jacks  
SLEEVE TIP SLEEVE TIP  
Mackie’s single-jack inserts are the three-conductor,  
TRS-type 1⁄4" phone. They are unbalanced, but have  
both the mixer output (send) and the mixer input  
(return) signals in one connector. See Figure E.  
Figure D: RCA Plug  
SEND to processor  
Unbalancing a Line  
ring  
“tip”  
(TRS plug)  
tip  
sleeve  
In most studio, stage and sound reinforcement situ-  
ations, there is a combination of balanced and unbal-  
anced inputs and outputs on the various pieces of  
equipment. This usually will not be a problem in making  
connections.  
This plug connects to one of the  
mixer’s Channel Insert jacks.  
“ring”  
RETURN from processor  
Figure E  
The sleeve is the common ground (earth) for both  
signals. The send from the mixer to the external unit is  
carried on the tip, and the return from the unit to the  
mixer is on the ring.  
When connecting a balanced output to an  
unbalanced input, be sure the signal high (hot)  
connections are wired to each other, and that  
the balanced signal low (cold) goes to the  
ground (earth) connection at the unbalanced  
input. In most cases, the balanced ground  
(earth) will also be connected to the ground  
(earth) at the unbalanced input. If there are  
ground-loop problems, this connection may be  
left disconnected at the balanced end.  
Using the Send Only on an Insert Jack  
If you insert a TS (mono) 1⁄4" plug only partially (to  
the first click) into a Mackie insert jack, the plug will  
not activate the jack switch and will not open the insert  
loop in the circuit (thereby allowing the channel signal  
to continue on its merry way through the mixer).  
When connecting an unbalanced output to a  
balanced input, be sure that the signal high  
(hot) connections are wired to each other. The  
unbalanced ground (earth) connection should  
be wired to the low (cold) and the ground  
(earth) connections of the balanced input. If  
there are ground-loop problems, try connecting  
the unbalanced ground (earth) connection only  
to the input low (cold) connection, and leaving  
the input ground (earth) connection discon-  
nected.  
This allows you to tap out the channel or bus signal  
without interrupting normal operation.  
If you push the 1⁄4" TS plug in to the second click, you  
will open the jack switch and create a direct out, which  
does interrupt the signal in that channel. See Figure F  
on the next page.  
NOTE: Do not overload or short-circuit the signal you  
are tapping from the mixer. That will affect the internal  
signal.  
In some cases, you will have to make up special  
adapters to interconnect your equipment. For  
example, you may need a balanced XLR female  
connected to an unbalanced 1⁄4" TS phone  
plug.  
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A stereo signal, having two plugs, should be patched  
into the LEFT (MONO) and the RIGHT input or return  
jacks. A jack switch in the RIGHT jack will disable the  
mono function, and the signals will show up in stereo.  
MONO PLUG  
Channel Insert jack  
Direct out with no signal interruption to master.  
Insert only to first “click.”  
A mono signal connected to the RIGHT jack will show  
up in the right bus only. You probably will only want to  
use this sophisticated effect for special occasions.  
MONO PLUG  
Channel Insert jack  
Mults and “Y”s  
Direct out with signal interruption to master.  
Insert all the way in to the second “click.”  
A mult or “Y” connector allows you to route one output  
to two or more inputs by simply providing parallel wir-  
ing connections. You can make “Y”s and mults for the  
outputs of both unbalanced and balanced circuits.  
STEREO  
PLUG  
Channel Insert jack  
Remember: Only mult or “Y” one output into  
several inputs. If you need to combine several  
outputs into one input, you must use a mixer,  
not a mult or a “Y.”  
For use as an effects loop.  
(TIP= SEND to effect, RING = RETURN from effect.)  
Figure F  
Mackie Stereo Inputs and Returns: Mono,  
Stereo, Whatever  
Stereo line inputs and stereo returns are a fine  
example of the Mackie philosophy (which we just made  
up) of Maximum Flexibility with Minimum Headache.  
The inputs and returns will automatically be mono or  
stereo, depending upon how you use the jacks. Here’s  
how it works:  
A mono signal should be patched into the input or  
return jack labeled LEFT (MONO). The signal will be  
routed to both the left and right sides of the return cir-  
cuit, and will show up in the center of the stereo pair of  
buses it’s assigned to, or it can be panned with the PAN  
[26] control.  
RING (IN)  
RING  
TIP  
RING (RETURN)  
(RETURN)  
(SEND)  
TIP (OUT)  
TO MIXER  
CHANNEL INSERT  
FROM  
PROCESSOR  
OUTPUT  
TO  
PROCESSOR  
INPUT  
TIP (SEND)  
Y-cord insert cable  
Y-cord splitter cable  
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Appendix C: Technical Information  
Maximum Levels  
Mic in:  
Specifications  
+22 dBu  
+16 dBu  
+22 dBu  
+28 dBu  
+22 dBu  
Tape in:  
Main Mix Noise  
(20 Hz–20 kHz bandwidth, 1/4" Main out, channels 1–4 Trim @  
All other inputs:  
unity gain, channel EQs flat, all channels assigned to Main Mix, Main Mix XLR out:  
channels 1 and 3 Pan left, 2 and 4 Pan right.)  
All other outputs:  
Main Mix knob down, channel Gain knobs down: –100 dBu  
Impedances  
Mic in:  
Main Mix knob unity, channel Gain knobs down: –86.5 dBu  
2.5 kilohms  
(90 dB Signal to Noise Ratio, ref +4 dBu)  
Channel Insert return:  
2.5 kilohms  
Main Mix knob @ unity, channel Gain knobs @ unity: –84.5 dBu  
All other inputs:  
10 kilohms or greater  
1.1 kilohms  
Total Harmonic Distortion (THD)  
(1 kHz @ 35 dB gain, 20 Hz–20 kHz bandwidth)  
Mic pre @ insert:  
Tape out:  
All other outputs:  
120 ohms  
0.0007%  
EQ  
Attenuation (Crosstalk)  
High Shelving  
Mid Peaking  
Low Shelving  
15 dB @ 12 kHz  
15 dB @ 2.5 kHz  
15 dB @ 80 Hz  
(1 kHz relative to 0 dBu, 20 Hz–20 kHz bandwidth,  
Line in, 1⁄4" Main Out, Trim @ unity.)  
Main Mix knob down:  
–75 dBu  
Power Consumption  
Channel Alt / Mute switch engaged:  
Channel Gain knob down:  
–85 dBu  
–87 dBu  
@120 VAC, 50/60 Hz, 25 watts  
Fuse Rating  
100-120V:  
220-240V:  
Frequency Response  
(Mic input to any output.)  
20 Hz to 60 kHz:  
500 mA slo blo, 5 x 20 mm  
250 mA slo blo, 5 x 20 mm  
+0 dB/–1 dB  
+0 dB/–3 dB  
20 Hz to 100 kHz:  
Dimensions (H x W x D)  
11.2" x 11.9" x 3.0" (284 mm x 303 mm x 75 mm)  
6.5 lb (3.0 kg)  
Equivalent Input Noise (EIN)  
(Mic in to Insert Send out, max gain.)  
150 ohm termination:  
Weight  
–129.5 dBu 20 Hz–20 kHz  
Common Mode Rejection Ratio (CMRR)  
(Mic in to Insert Send out, max gain.)  
LOUD Technologies Inc. is always striving to improve our prod-  
ucts by incorporating new and improved materials, components,  
and manufacturing methods. Therefore, we reserve the right to  
change these specifications at any time without notice.  
1 kHz:  
better than –70 dB  
“Mackie,” and the “Running Man” are registered trademarks of  
LOUD Technologies Inc. All other brand names mentioned are  
trademarks or registered trademarks of their respective hold-  
ers, and are hereby acknowledged.  
©2006 LOUD Technologies Inc. All Rights Reserved.  
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BlockDiagram  
LOGIC  
SOLO  
AUX SEND 2 POST  
AUX SEND 1 POST  
AUX SEND 1 PRE  
ALT R  
ALT L  
MAIN R  
MAIN L  
MACKIE 1202-VLZ3  
BLOCK DIAGRAM  
5/06  
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Track Sheet  
26  
1202-VLZ3  
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1202-VLZ3 Limited Warranty  
Please keep your sales receipt in a safe place.  
F. Any products returned to one of the LOUD Technologies  
A. LOUD Technologies Inc. warrants all materials,  
workmanship and proper operation of this product for a period  
of three years from the original date of purchase. If any defects  
are found in the materials or workmanship or if the product  
fails to function properly during the applicable warranty  
period, LOUD Technologies, at its option, will repair or replace  
the product. This warranty applies only to equipment sold and  
delivered within the U.S. by LOUD Technologies Inc. or its  
authorized dealers.  
factory-authorized service centers, and deemed eligible for  
repair or replacement under the terms of this warranty will  
be repaired or replaced within thirty days of receipt. LOUD  
Technologies and its authorized service centers may use  
refurbished parts for repair or replacement of any product.  
Products returned to LOUD Technologies that do not meet  
the terms of this Warranty will not be repaired unless  
payment is received for labor, materials, return freight,  
and insurance. Products repaired under warranty will be  
returned freight prepaid by LOUD Technologies to any  
location within the boundaries of the USA.  
B. Failure to register online or return the product registration  
card will not void the three-year warranty.  
C. Service and repairs of Mackie products are to be  
performed only at a factory-authorized facility (see D below).  
Unauthorized service, repairs, or modification will void this  
warranty. To obtain repairs under warranty, you must have a  
copy of your sales receipt from the authorized Mackie dealer  
where you purchased the product. It is necessary to establish  
the purchase date and determine whether your Mackie  
product is within the warranty period.  
G. LOUD Technologies warrants all repairs performed  
for 90 days or for the remainder of the warranty period.  
This warranty does not extend to damage resulting from  
improper installation, misuse, neglect or abuse, or to  
exterior appearance. This warranty is recognized only if  
the inspection seals and serial number on the unit have not  
been defaced or removed.  
H. LOUD Technologies assumes no responsibility for the  
quality or timeliness of repairs performed by an authorized  
service center.  
D. To obtain factory-authorized service:  
1. Call Mackie Technical Support at 800/898-3211, 7 AM to  
5 PM Monday through Friday (Pacific Time) to get a Service  
Request Number. Products returned without a Service Request  
Number will be refused.  
I. This warranty is extended to the original purchaser and to  
anyone who may subsequently purchase this product within  
the applicable warranty period. A copy of the original sales  
receipt is required to obtain warranty repairs.  
2. Pack the product in its original shipping carton. Also include  
a note explaining exactly how to duplicate the problem, a  
copy of the sales receipt with price and date showing, and  
your return street address (no P.O. boxes or route numbers,  
please!). If we cannot duplicate the problem or establish the  
starting date of your Limited Warranty, we may, at our option,  
charge for service time.  
J. This is your sole warranty. LOUD Technologies does  
not authorize any third party, including any dealer or  
sales representative, to assume any liability on behalf of  
LOUD Technologies or to make any warranty for LOUD  
Technologies Inc.  
K. THE WARRANTY GIVEN ON THIS PAGE IS THE SOLE  
WARRANTY GIVEN BY LOUD TECHNOLOGIES INC.  
AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS  
AND IMPLIED, INCLUDING THE WARRANTIES OF  
MERCHANTABILITY AND FITNESS FOR A PARTICULAR  
PURPOSE. THE WARRANTY GIVEN ON THIS PAGE  
SHALL BE STRICTLY LIMITED IN DURATION TO THREE  
YEARS FROM THE DATE OF ORIGINAL PURCHASE  
FROM AN AUTHORIZED MACKIE DEALER. UPON  
EXPIRATION OF THE APPLICABLE WARRANTY PERIOD,  
LOUD TECHNOLOGIES INC. SHALL HAVE NO FURTHER  
WARRANTY OBLIGATION OF ANY KIND. LOUD  
TECHNOLOGIES INC. SHALL NOT BE LIABLE FOR ANY  
INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES  
THAT MAY RESULT FROM ANY DEFECT IN THE MACKIE  
PRODUCT OR ANY WARRANTY CLAIM. Some states do  
not allow exclusion or limitation of incidental, special,  
or consequential damages or a limitation on how long  
warranties last, so some of the above limitations and  
exclusions may not apply to you. This warranty provides  
specific legal rights and you may have other rights which  
vary from state to state.  
3. Ship the product in its original shipping carton, freight  
prepaid to the authorized service center. The address of your  
closest authorized service center will be given to you by  
Technical Support.  
IMPORTANT: Make sure that the Service Request Number is  
plainly written on the shipping carton.  
No receipt: no warranty service.  
E. LOUD Technologies reserves the right to inspect any  
products that may be the subject of any warranty claims before  
repair or replacement is carried out. LOUD Technologies may,  
at our option, require proof of the original date of purchase in  
the form of a dated copy of the original dealer’s invoice or sales  
receipt. Final determination of warranty coverage lies solely  
with LOUD Technologies.  
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16220 Wood-Red Road NE • Woodinville, WA 98072 • USA  
United States and Canada: 800.898.3211  
Europe, Asia, Central and South America: 425.487.4333  
Middle East and Africa: 31.20.654.4000  
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