JBL Speaker SB 2 User Manual

APPLICATION GUIDE  
Subwoofer-Satellite Systems  
Using Control SB-210 & SB-2 Subwoofers  
System #5 in Stereo Mode Shown  
Using subwoofers and satellite loudspeakers with a pre-engineered passive crossover built into the  
subwoofer can be a very effective way of achieving high-fidelity sound economically for applications  
requiring greater bandwidth than is typically possible from full-range speakers alone.  
When applied properly, small subwoofer-satellite systems – often referred to as “sub-sat” systems –  
can provide high fidelity sound for a wide variety of applications, such as restaurants, retail stores,  
hotels, music cafes, leisure venues, sports bars & lounges, fitness centers, themed applications, and  
many more.  
is guide provides recommended subwoofer-satellite configurations that work well together. In  
addition, the Connection Information and System Design sections provide important information  
for applying these subwoofer-satellite systems properly.  
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Table of Contents  
SIX SUB-SAT SYSTEMS AT A GLANCE                                                                                           2  
IMPORTANT SATELLITE CONNECTION INFORMATION                                                  3  
SYSTEM CONSIDERATIONS  
General Objectives                                                                                                                                   4  
Sensitivity Balance  
Subwoofer Model Selection  
Designing for Other JBL Subwoofer Models  
System Design Considerations                                                                                                                 5  
Maximum SPL Listing  
Subwoofer Location’s Affect on Sensitivity and Maximum SPL  
Using the MTC-210-SAT Input Module -- 4 Ohm / 8 Ohm Setting, Mono / Stereo Setting,  
Operation from a 70V/100V Distributed Speaker Line  
Subwoofer Distance Consideration  
Affect of Room Size  
SYSTEM DIAGRAMS  
Surface-Mount (On-Wall) Satellite Speakers  
System #1 CCS6000 System: 4 pcs Control 23 with Control SB-2                                                    7  
System #2 2 pcs Control 25AV & Control SB-210                                                                             8  
System #3 2 pcs Control 28 & Control SB-210                                                                                10  
System #4 2 pcs Control 29AV-1 & Control SB-210                                                                        12  
System #5 4 pcs Control 25AV & Control SB-210                                                                           14  
In-Ceiling Satellite Speakers (with Surface-Mount Subwoofer)  
System #6 4 pcs Control 24C                                                                                                             16  
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SUB-SAT SYSTEMS AT A GLANCE  
Detailed Information About Each System and Application Guidelines are on the Following Pages.  
Ω Per  
Amp  
Channel  
SPL  
System  
Number  
(Max Cont.  
@ 20 ft)  
Products  
Applications  
Modes  
Surface-Mount  
(On-Wall)  
Satellite Speakers  
System 1  
4 x Control 23  
1 x SB-2  
Light volume ambient music in  
medium size spaces where four  
speakers are needed.  
87 dB  
91 dB  
Stereo Only  
4Ω  
8Ω  
(CCS6000)  
Mono  
System 2  
2 x Control 25AV  
1 x SB210  
1 x MTC-210-SAT  
Light to medium volume ambient  
music in small to medium sized  
spaces where two satellite speak-  
ers are enough to cover the area.  
Stereo  
4Ω  
n/a  
70V/100V  
(with MTC-  
210T-SAT)  
Mono  
8Ω  
4Ω  
n/a  
System 3  
System 4  
System 5  
2 x Control 28  
1 x SB210  
1 x MTC-210-SAT  
Medium volume ambient music in  
small spaces where two satellite  
speakers are enough to cover the  
area.  
95 dB  
96 dB  
94 dB  
Stereo  
70V/100V  
(with MTC-  
210T-SAT)  
Mono  
8Ω  
4Ω  
n/a  
2 x C29AV-1  
1 x SB210  
1 x MTC-210-SAT  
High volume, high-fidelity mu-  
sic reproduction in small spaces  
where two watellite speakers are  
enough to cover the area.  
Stereo  
70V/100V  
(with MTC-  
210T-SAT)  
Mono  
8Ω  
4Ω  
n/a  
4 x Control 25AV  
1 x SB210  
1 x MTC-210-SAT  
Medium volume, high-fidelity mu-  
sic reproduction in larger spaces  
where 4 satellite speakers are  
needed to cover the area.  
Stereo  
70V/100V  
(with MTC-  
210T-SAT)  
In-Ceiling  
Satellite Speakers  
Mono  
8Ω  
4Ω  
n/a  
4 x Control 24C  
1 x SB210  
1 x MTC-210-SAT  
(Mounting options for  
subwoofer described in  
System 6 text)  
96 dB  
System 6  
Medium to high volume music  
reproduction where 4 in-ceiling  
satellite speakers are needed  
to cover the area.  
(at 10 feet)  
Stereo  
70V/100V  
(with MTC-  
210T-SAT)  
2
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Important Satellite Connection Information  
For Mono (& 70V Mono) Systems  
For Mono systems, always connect half the satellite speakers to one of the satellite speaker output terminals and the other half to the  
other satellite speaker output terminals. Do NOT connect to only one of the sets of satellite output terminals  
In order to avoid excessively low impedance loads to the power amp when using 4 satellite speakers (which could cause the power  
amplifier to fail), the satellite output terminals of the SB-210 in mono mode are connected in series with each other. is requires  
that speakers be connected to both sets of satellite output terminals, and that the load on each satellite output be matched.  
Otherwise, there will be very little or no sound coming from the satellite speakers  
CORRECT  
WRONG  
All satellite speakers on one of the sets of satellite  
output terminals and none on the other satellite  
output terminals.  
For systems with 2 satellite speakers, put 1 on each set  
of the subwoofer’s satellite output terminals (shown).  
For systems with 4 satellite speakers, put 2 on each set  
of the subwoofer’s satellite output terminal  
3
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Sub-Sat System Design  
e exact configuration of a subwoofer/satellite loudspeaker system depends on a number of factors, such as:  
• How large the room is and how many satellite speakers it will take to cover the room?  
• Whether the distance between the satellite speakers allows a single subwoofer to cover the entire space?  
• Whether the program material is light background music or dominant driving music?  
• Where the subwoofer will be located in relation to room boundaries (wall, ceiling, corners)?  
e system recommendations in this guide and the performance figures are based on some baseline assumptions which will not be  
correct for all applications. Adjustments may need to be made. A discussion of the considerations, baseline assumptions conditions and  
possible adjustment requirements is below.  
General Objectives  
Sensitivity Balance  
Subwoofer Model Selection  
e volume balance between the subwoofer and the satellite  
speakers in a passively crossed-over system is called sensitivity  
balance.  
All the systems in this guide use the Control SB-210 subwoofer,  
with the exception of the CCS6000 System, which uses the Control  
SB-2 subwoofer. Passive crossover networks are built-into SB-2  
and available for SB-210, making it easy to structure subwoofer-  
satellite systems.  
Targets:  
a) Sensitivity Balance – Typically, the way the human  
hearing system works, the subwoofer needs to be 2 to 6  
dB louder than the satellite speakers in order to sound  
Designing for Other JBL Subwoofer Models  
Other subwoofers from JBL Professional include Control 19CS  
In-Ceiling Subwoofer and Control 312CS High Power In-Ceiling  
Subwoofer. ese subwoofers are intended to be used in actively  
crossed-over systems -- either contains a built-in passive crossover  
network.  
balanced.  
e subwoofer/satellite systems in this  
guide are all structured to provide the proper range of  
sensitivity balance with the subwoofer located on a flat  
surface (wall, ceiling, floor). e sensitivity balance can  
be altered, as required, via an active graphic equalizer.  
e balance can also be altered by placing the subwoofer  
closer to more boundary surfaces -- see the “Subwoofer  
Location” section below for more about the effect of  
positioning.  
For determining the proper number of Control 19CS subwoofers,  
use the Subwoofer Utility in the DSD Distributed System Design  
software (free download located on the Software Download page  
b) Maximum Sound Level Balance – It is desirable for  
the subwoofer to be able to deliver adequate maximum  
sound output capability to keep up with the satellite  
speakers when they are driven at their maximum drive  
level. e subwoofer output of these systems is high  
enough to keep up with the satellite speakers at high  
drive levels.  
ForeControl312CSsubwoofer, usetheControl300Subwoofer  
Ratio Guide” posted in the Control 300 section of the Technical  
4
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Sub-Sat Design Considerations  
Sound Level Capability  
4 Ohm / 8 Ohm Setting  
(ie, Satellite Speaker Impedance Selector)  
e module contains a header adjustment for setting the crossover  
to work properly with either 4 ohm or 8 ohm satellite loads per  
For each system in this guide, the Max SPL figure is listed,  
describing the continuous sound level that the system can  
maintain on a full-range basis with either speech or music  
program content, with 10 dB headroom for clear transient  
peaks.  
output.  
Mono / Stereo Setting  
For any installation, the satellite speakers might be located  
next to each other and cover exactly the same area, resulting  
in 6 dB of coupling between them, or they might be located  
far apart and have no overlap between then resulting in no  
coupling. e Max SPL figures listed in the charts assume  
somewhere in between, that there is some degree of overlap  
in coverage but not full overlap. erefore, a coupling figure  
e module also contains a header to set the system to operate  
either as a mono system with a single input (+ and -) wired to  
the Left/Mono input terminals, or as a full stereo system with  
Left input wired to Left input terminals and right input wired to  
Right input terminals.  
of 3 dB is utilized.  
Actual Max SPL  
For applications where there is very little overlap of satellite  
speakers, the actual Maximum SPL will be 3 dB lower for  
2 satellite speakers (and 6 dB lower for 4 satellite speaker)  
than what is listed. For applications where there is almost  
full overlap (satellite speakers covering the same area), the  
actual Maximum SPL will be 3 dB higher for 2 satellite  
speakers (and 6 dB higher for 4 satellite speakers).  
Figure 1  
Subwoofer Location’s Affect on Sensitivity  
and Maximum SPL  
Setting Mono/Stereo and Satellite Impedance Headers  
on MTC-210-SAT (and MTC-210T-SAT) Input Module  
e system performance figures listed are based on the  
subwoofer being located away from boundary junctions  
and corners. For applications where the subwoofer will be  
placed at a 2-surface boundary junction (wall/floor, wall/  
ceiling, wall/wall), both the Sensitivity and the Maximum  
SPL of the subwoofer increases by 6 dB. For applications  
where the subwoofer is placed as a corner junction (wall/  
wall/ceiling or wall/wall/floor), the Sensitivity and the  
Maximum SPL of the subwoofer increases by 12 dB.  
Mono/Stereo and 4/8 Ohm selection is accomplished by  
moving the headers on the MTC-210-SAT Input Module before  
installing the module into the subwoofer. Yellow indicators move  
with the headers, annunciating the selected modes visibly on the  
back panel of the subwoofer after the module is installed. Header  
positions shown in the picture above are set to Mono with 4  
ohms per channel of satellite speakers. Moving the headers in the  
position of the red arrows changes the settings to Stereo with 8  
ohms per channel of satellite speakers.  
is can unbalance the subwoofer satellite sensitivity  
balance. It is a good idea to have an equalizer in the sound  
system to be able to adjust the bass level for proper balance.  
A parametric EQ allows for the best adjustment. For  
graphic EQ, a minimum of 15 bands is usually required to  
be able to set the EQ break point at the proper frequency.  
Operation from a 70V/100V Distributed  
Speaker Line  
A different SB-210 input module needs to be purchased for  
operating a subwoofer satellite system via 70V/100V. It is model  
MTC-210T-SAT, which includes input 70V/100V transformers  
as well as the built-in crossover network.  
Using the MTC-210-SAT Input Module  
ALL these systems (except the CCS6000 System that utilizes  
a SB-2 subwoofer) utilize the MTC-210-SAT input module  
installed in the back of the Control SB-210 subwoofer.  
is module provides a full passive crossover consisting  
of a high-pass to the satellite speakers and low-pass to the  
subwoofer drivers.  
Speaker Type for 70V/100V Systems  
Satellite speakers remain LOW-IMPEDANCE (non-T)  
models. DO NOT use T-version satellite speakers for any  
of the satellite speakers, even those systems operated from a  
70V/100V distributed speaker line.  
5
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although the subwoofers can get excessively loud in those corners  
compared to the rest of the room.  
Adjusting Volume of 70V/100V System  
Adjust the tap setting to change the amount of power that  
gets to the entire sub/sat system.  
For rooms where very even subwoofer coverage is desired, a  
distributed subwoofer system might be a better solution than using  
one of the passive subwoofer/satellite systems from this guide. If  
so, see the subwoofer chapter of the JBL guide entitled Designing  
Better Sounding In-Ceiling Business Music Systems.  
Multiple Systems  
Multiple sub-sat systems can be utilized on a single  
70V/100V distributed speaker line. Each can cover a  
different area with full-range sound. Systems can be mixed  
on a 70V/100V line as long as all the systems utilized the  
MTC-210T-SAT module. See Figure 2.  
Affect of Room Size on Sound Level  
e Max SPL figures listed for each system are based on a listening  
distance of approximately 20 feet.  
Subwoofer Distance Consideration  
For larger rooms where some listeners will be father than 20 feet  
from the speakers, the true sound level capability of the sub-sat  
system will be lower. For example, the Max SPL level at 40 feet  
-- twice the listening distance -- will be 6 dB lower than the listed  
figure.  
Even though it’s not easy for the human ear to tell where the  
sound from a subwoofer is coming from (non-localizable),  
that doesn’t mean that a single subwoofer can always cover  
an entire space.  
e sound level from a subwoofer is louder nearby to the  
subwoofer and quieter farther away from it. As rooms  
get larger the level variation gets more uneven because the  
distance from the subwoofer gets longer. It may be necessary  
to add a second subwoofer on the other side of the room.  
Locating multiple subwoofers near the center of opposite  
walls within the room often works well, resulting in more  
even coverage of the entire room.  
In addition, as the room gets larger, there will be more level variation  
of the sound from both the satellite speakers and the subwoofer  
from place to place within the room. is can lead to unacceptably  
high variations in sound level, where the sound might be too loud  
in some areas and too soft in others.  
In rooms where this is the case, it may be necessary to utilize  
more than one subwoofer/satellite system, or to use a more highly  
distributed system than a small subwoofer/satellite system is  
capable of doing.  
When greater subwoofer output is desired, an alternative is  
to locate the subwoofers near opposite corners of the room,  
Figure 2  
Multiple 70V/100V sub-sat systems on a single distributed speaker line.  
6
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Systems with SURFACE-MOUNT (on-wall)  
Satellite Speakers  
System #1: CCS6000 System  
4 pcs Control 23 with Control SB-2  
Application  
Light volume ambient music in medium size spaces where  
four speakers are needed.  
Application Note:  
is combination produces a great full-range sound with flat  
frequency response, usable from 38 Hz to 22 kHz.  
Max Continuous Average SPL (at 20 feet)  
Do NOT use a different quantity or model of satellite  
speaker  Changing to a different, higher sensitivity, satellite  
model unbalances the subwoofer/satellite sensitivity balance  
(see “Consideration” notes above), resulting in the mids and  
highs being overly dominant. Similarly, changing to fewer  
Control 23 speakers results in a different load impedance  
resulting in incorrect crossover point. is system works  
properly only with 4 pcs Control 23 speakers – they were  
designed to be used together.  
87 dB (with peaks of 97 dB)  
Stereo/Mono Capability  
Works best as a stereo system with separate input for left and  
right inputs.  
Connection  
Connect 2 pcs of Control 23 to each satellite  
output (Left and Right). Do NOT connect all  
4 satellite speakers to a single satellite output.  
Stereo System Connection Note  
Ensure that the polarity hookup of the left and right inputs is correct.  
If one of the inputs is connected backwards (out of polarity), the sub-  
woofer will not produce much (if any) bass.  
7
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System #2  
2 pcs Control 25AV & Control SB-210  
Application: Light to medium volume ambient music in  
small to medium sized spaces where two satellite speakers are  
enough to cover the area. is system produces excellent high  
fidelity sound quality with very strong bass.  
Connection:  
Mono Operation – Connect input to the LEFT/MONO  
input terminal. Put Stereo/Mono header into MONO  
position. Connect 1 pc of Control 25AV to each satellite  
output (LEFT and RIGHT). Do NOT connect both satel-  
lite speakers to a single satellite output.  
Max Continuous Average SPL (at 20 feet): 91 dB (with  
peaks of 101 dB)  
Stereo Operation – Connect left and right inputs to the  
LEFT and RIGHT input terminals. Put Stereo/Mono  
header into STEREO position. Connect 1 pc of Control  
25AV to each of the Satellite Outputs (LEFT and RIGHT)  
Max Output Balance -- e subwoofer has substantially  
higher maximum output capability than the satellite speakers,  
so this system has the capability of optionally being utilized in  
applications where the bass will be EQd substantially higher  
than the mids and highs. e system also works fine for flat-re-  
sponse applications.  
Lower-Cost Option: Less expensive Control 25 speakers  
can be utilized instead of Control 25AV for a more cost-effec-  
tive system. e system will have slightly lower overall fidelity,  
but will get 1 dB louder.  
4 Ohm / 8 Ohm Setting: 8 Ohms  
Stereo/Mono Capability: Either setting can be utilized.  
Connection Diagrams  
8
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Stereo System Connection Note  
Ensure that the polarity hookup of the left and right inputs is correct.  
If one of the inputs is connected backwards (out of polarity), the sub-  
woofer will not produce much (if any) bass.  
9
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System #3  
2 pcs Control 28 & Control SB-210  
Application: Medium volume ambient music in small  
spaces where two satellite speakers are enough to cover the area.  
Connection:  
Mono Operation – Connect input to the LEFT input  
terminal. Put Stereo/Mono header into MONO position.  
Connect 1 pc of Control 28 to each satellite output (LEFT  
and RIGHT). Do NOT connect both satellite speakers to  
a single satellite output.  
Max Continuous Average SPL (at 20 feet): 95 dB (with  
peaks of 105 dB)  
Max Output Balance -- e subwoofer has higher  
maximum output capability than the satellite speakers, so this  
system has the capability of being utilized for applications  
where the bass will be EQd substantially higher than the  
mids and highs. e system also works fine for flat-response  
applications.  
Stereo Operation – Connect left and right inputs to the  
LEFT and RIGHT input terminals. Put Stereo/Mono  
header into STEREO position. Connect 1 pc of Control  
28 to each of the Satellite Outputs (LEFT and RIGHT)  
4 Ohm / 8 Ohm Setting: 8 Ohms  
Stereo/Mono Capability: Either setting can be utilized  
Connection Diagrams  
10  
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Stereo System Connection Note  
Ensure that the polarity hookup of the left and right inputs is correct.  
If one of the inputs is connected backwards (out of polarity), the sub-  
woofer will not produce much (if any) bass.  
11  
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System #4  
2 pcs Control 29AV & Control SB-210  
Application  
Connection  
High volume, high-fidelity music reproduction in small spaces  
where two satellite speakers are enough to cover the area.  
Mono Operation – Connect input to the LEFT input  
terminal. Put Stereo/Mono header into MONO position.  
Connect 1 pc of Control 28 to each satellite output (LEFT  
and RIGHT). Do NOT connect both satellite speakers to  
a single satellite output.  
Max Continuous Average SPL (at 20 feet)  
96 dB (with peaks of 106 dB)  
4 Ohm / 8 Ohm Setting  
Stereo Operation – Connect left and right inputs to the  
LEFT and RIGHT input terminals. Put Stereo/Mono  
header into STEREO position. Connect 1 pc of Control  
28 to each of the Satellite Outputs (LEFT and RIGHT)  
8 Ohms  
Stereo/Mono Capability  
Either setting can be utilized  
Application Note  
e Control 29AV-1 has the highest sensitivity (sound output  
per watt of input) of any of the satellite speakers in this guide,  
resulting in the bass from the subwoofer being lower, in relative  
sense, than some of the other sub/sat systems. For more  
dominant bass, additional subwoofer sensitivity can be attained  
by corner-loading the subwoofer (see “Sensitivity Balance”  
section, above). Alternatively, the subwoofer/satellite sensitivity  
balance can be altered with an in-line active equalizer.  
Connection Diagrams  
12  
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Stereo System Connection Note  
Ensure that the polarity hookup of the left and right inputs is correct.  
If one of the inputs is connected backwards (out of polarity), the sub-  
woofer will not produce much (if any) bass.  
13  
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System #5  
4 pcs Control 25AV & Control SB-210  
Application  
Connection  
Medium volume, high-fidelity music reproduction where 4  
satellite speakers are needed to cover the area.  
Mono Operation – Connect input to the LEFT input termi-  
nal. Put Stereo/Mono header into MONO position. Con-  
nect 2 pcs of Control 25AV to each satellite output (LEFT  
and RIGHT). Do NOT connect all 4 satellite speakers to  
a single satellite output.  
Max Continuous Average SPL (at 20 feet)  
94 dB (with peaks of 104 dB)  
Max Output Balance  
Stereo Operation – Connect left and right inputs to the  
LEFT and RIGHT input terminals. Put Stereo/Mono  
header into STEREO position. Connect 2 pcs of Control  
25AV to each of the Satellite Outputs (LEFT and RIGHT)  
e subwoofer has higher maximum output capability than  
the satellite speakers and the output capability can be further  
boosted by placing the subwoofer at a boundary junction or  
corner. is system has the capability of being utilized for  
applications where the bass will be EQd substantially higher  
than the mids and highs. e system also works fine for flat-  
response applications.  
Application Notes  
Balance -- e subwoofer has higher maximum output  
capability than the satellite speakers and the output  
capability can be further boosted by placing the subwoofer  
at a boundary junction or corner. is system has the  
capability of being utilized for applications where the bass  
will be EQd substantially higher than the mids and highs.  
e system also works fine for flat-response applications.  
Variations -- Control 25 speakers can be utilized instead of  
Control 25AV for a more cost-effective system, resulting in  
slightly lower overall fidelity, but 1 dB louder SPL.  
4 Ohm / 8 Ohm Setting  
4 Ohms  
Stereo/Mono Capability  
Either setting can be utilized  
Connection Diagrams  
14  
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Stereo System Connection Note  
Ensure that the polarity hookup of the left and right inputs is correct.  
If one of the inputs is connected backwards (out of polarity), the sub-  
woofer will not produce much (if any) bass.  
15  
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Systems with  
IN-CEILING Satellite Speakers  
In-ceiling loudspeakers can benefit from the addition of a subwoofer. Often that takes the form factor of an in-ceiling subwoofer like  
Control 19CS or Control 312CS, but it may be desirable to use a subwoofer with a full passive crossover. For more information  
about model selection, see the “Subwoofer Model Selection” and “Designing for Other JBL Subwoofer Models” sections, above.  
e SB-210 with MTC-210-SAT module is a subwoofer that contains a built in passive crossover, which makes it easy to structure  
subwoofer/satellite systems. With in-ceiling satellite speakers, the SB-210 can be mounted on a wall or ceiling via the MTC-210U U-  
bracket, suspended from the ceiling via built-in suspension points, or installed above an air grate grille in the ceiling.  
System #6  
4 pcs Control 24C with Control SB-210  
Application: Medium volume, high-fidelity music  
reproduction where 4 in-ceiling satellite speakers are needed  
Connection  
Mono Operation – Connect input to the LEFT input termi-  
nal. Put Stereo/Mono header into MONO position. Con-  
nect 2 pcs of Control 24C to each satellite output (LEFT  
and RIGHT). Do NOT connect all 4 satellite speakers to  
a single satellite output.  
to cover the area.  
Max Continuous Average SPL (at 10 feet): 96 dB  
(with peaks of 106 dB).  
4 Ohm / 8 Ohm Setting: 4 Ohms.  
Stereo Operation – Connect left and right inputs to the  
LEFT and RIGHT input terminals. Put Stereo/Mono  
header into STEREO position. Connect 2 pcs of Control  
24C to each of the Satellite Outputs (LEFT and RIGHT)  
Stereo/Mono Capability: Either setting can be utilized  
16  
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Stereo System Connection Note  
Ensure that the polarity hookup of the left and right inputs is correct.  
If one of the inputs is connected backwards (out of polarity), the sub-  
woofer will not produce much (if any) bass.  
17  
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JBL Professional  
8500 Balboa Boulevard, P.O. Box 2200  
Northridge, California 91329 U.S.A.  
A Harman International Company  
© Copyright 2006 JBL Professional  
CC Sub Sat  
11/06  
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