Kramer Electronics, Ltd.
Preliminary
USER MANUAL
Model:
VA-15xl
6x1 Balanced Audio Mixer
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Introduction
1
Introduction
Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been
providing a world of unique, creative, and affordable solutions to the vast
range of problems that confront the video, audio, presentation, and
broadcasting professional on a daily basis. In recent years, we have
redesigned and upgraded most of our line, making the best even better! Our
defined by function.
Thank you for purchasing your Kramer VA-15xl, which is ideal for:
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•
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Live stage and studio audio mixing
Presentation systems and press conferences
Post production in video/audio studios
The package includes the following items:
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•
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VA-15xl 6x1 Balanced Audio Mixer
Power adapter (12V DC)
This user manual2
2
Getting Started
We recommend that you:
•
Unpack the equipment carefully and save the original box and
packaging materials for possible future shipment
•
•
Review the contents of this user manual
Use Kramer high-performance high-resolution cables3
1
GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; GROUP 3: Control Systems;
GROUP 4: Format/Standards Converters; GROUP 5: Range Extenders and Repeaters; GROUP 6: Specialty AV Products;
GROUP 7: Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: Room Connectivity;
GROUP 10: Accessories and Rack Adapters; GROUP 11: Sierra Products
2 Download up-to-date Kramer user manuals from the Internet at this URL: http://www.kramerelectronics.com
3 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com
1
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Overview
3
Overview
The VA-15xl 6x1 Balanced Audio Mixer is a high-quality, low noise, 6
input balanced audio standalone mixer that provides for 2 different levels on
each input - mic level or line level. The VA-15xl includes a:
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•
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Master front panel level control knob for adjustment of all1
channels
Separate front panel headphone output, positioned alongside a
level control knob for local monitoring of the mixed signal
The unit generates broadcast voltage level ±15V and ±48V
internally from the single 12V DC input
In particular, the VA-15xl 6x1 Balanced Audio Mixer includes six:
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Rear panel XLR input connectors and an XLR output connector
line)
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To achieve the best performance:
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deterioration in signal quality due to poor matching, and elevated
noise levels (often associated with low quality cables).
•
Avoid interference from neighboring electrical appliances that
may adversely influence signal quality and position your Kramer
VA-15xl away from moisture, excessive sunlight and dust
1 The combined signals from inputs 1 to 6 are mixed
2 Via a belt battery
3 Each corresponds to its respective input
4 This is for applications that require typical condenser microphones to be connected directly to the VA-15xl. To prevent
unnecessary damage, apply phantom power to the Mic only when required
5 Available from Kramer Electronics on our Web site at http://www.kramerelectronics.com
3
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Your VA-15xl 6x1 Balanced Audio Mixer
4
Your VA-15xl 6x1 Balanced Audio Mixer
Mixer.
Figure 1: VA-15xl 6x1 Balanced Audio Mixer
Table 1: Front Panel Features and Functions of the VA-15xl 6x1 Balanced Audio Mixer
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1
Feature
POWER Switch
Function
Illuminated switch supplying power to the unit
Connects to the headphone set
2
3
4
5
PHONES OUTPUT Connector
PHONES LEVEL Knob
Adjusts the headphone volume
MASTER LEVEL CONTROL Knob Adjusts the combined signals from all inputs mixed to the output
INPUT LEVEL CONTROL Knob Adjusts the input level (from 1 to 6)
Table 2: Rear Panel Features and Functions of the VA-15xl 6x1 Balanced Audio Mixer
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Feature
Function
6
7
8
INPUT (1 to 6) XLR Female Connector
Connects to the audio source (from 1 to 6)
OUTPUT XLR Male Connector
Connects to the audio acceptor
12V DC 2100mA
+12V DC connector for powering the unit
Balanced Audio Mixer, indicating to which input connector each LINE /
MIC switch and each +48V switch relates.
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Using Your Balanced Audio Mixer
Figure 2: VA-15xl 6x1 Balanced Audio Mixer Underside Features
Table 3: VA-15xl 6x1 Balanced Audio Mixer Underside Features
#
1
Feature
+48V Switch
Function
Move to the right to apply 48V nominal phantom power
2
LINE / MIC Selector Switch Move to the right to select MIC. Move to the left to select LINE level
5
Using Your Balanced Audio Mixer
audio mixer, respectively.
5.1 Connecting Your Balanced Audio Mixer
To connect up to 6 balanced audio sources to the VA-15xl 6x1 Balanced
1. Connect the balanced audio source 2 to the XLR female INPUT 2
connector and select the LINE level by setting the LINE / MIC selector
2. Connect the balanced audio source 6 to the XLR female INPUT 6
connector and select the LINE level by setting the LINE / MIC selector
3. Connect the condenser microphone audio source 4 to the XLR female
INPUT 4 connector and select the MIC level by setting the LINE / MIC
1 Located on the underside of the VA-15xl
5
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Using Your Balanced Audio Mixer
4. Connect the XLR male OUTPUT connector to a power amplifier, and
connect the power amplifier to a pair of speakers.
5. Connect the PHONES OUTPUT connector to a headphone set.
6. Connect the 12V DC power adapter to the power socket and connect the
adapter to the mains electricity.
Figure 3: Connecting the VA-15xl 6x1 Balanced Audio Mixer
1 Located on the underside of the VA-15xl
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Technical Specifications
5.2 Operating Your Balanced Audio Mixer
On the VA-15xl 6x1 Balanced Audio Mixer unit, you can adjust the level:
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•
•
CONTROL knob
From all the inputs mixed together, by rotating the MASTER
LEVEL CONTROL knob
At the headphone set, by rotating the PHONES LEVEL knob
fully counter-clockwise (to the minimum level).
6
Technical Specifications
INPUTS:
6 audio, with selectable line (10kΩ) or mic (4kΩ with phantom voltage),
balanced, on XLR (F) connectors
OUTPUTS:
1 audio, 50Ω balanced on a XLR (M) connector. One headphone
output, 250mW max into 8Ω
MAX. OUTPUT LEVEL:
BANDWIDTH (-3dB):
S/N RATIO:
Mix out: 26Vpp, phones out: 4Vpp
20kHz
76dB unweighted (line), 72dB (mic)
+48V typical
PHANTOM VOLTAGE:
CROSSTALK (all hostile): -64dB @20kHz, all hostile
CONTROLS:
Line (each): -54dB to +6dB; mic (each): -54dB to +52dB;
master: -79dB to +6dB (line level inputs); phones: -77dB to +11dB
COUPLING:
AUDIO THD + NOISE:
Inputs: AC; output: DC
0.021%
AUDIO 2nd HARMONIC: 0.002%
POWER SOURCE:
DIMENSIONS:
WEIGHT:
12V DC, 2.1A
24.5cm x 18cm x 4.4cm (9.6” x 7” x 1.7”) W, D, H
1.4kg. (3.1lbs) approx
ACCESSORIES:
OPTIONS:
Power supply, TP to balanced audio adapter
RK-MEDN 19" rack adapter
1 For example, rotating LEVEL CONTROL knob 6 will adjust the volume generated to the speakers via the power amplifier
from the balanced audio source 6
2 For example, in the scenario illustrated in Figure 3, LEVEL CONTROL knobs 1, 2 and 5
3 Specifications are subject to change without notice
7
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LIMITED WARRANTY
Kramer Electronics (hereafter Kramer) warrants this product free from defects in material and workmanship under the
followingterms.
HOW LONGIS THE WARRANTY
Labor and parts are warranted for seven years from the date of the first customer purchase.
WHOIS PROTECTED?
Only the first purchase customer may enforce this warranty.
WHAT ISCOVEREDANDWHATISNOTCOVERED
Except as below, this warranty covers all defects in material or workmanship in this product. The following are not covered
by thewarranty:
1. Any product which is not distributed by Kramer, or which is not purchased from an authorized Kramer dealer. If you are
uncertain as to whether a dealer is authorized, please contact Kramer at one of the agents listed in the Web site
2. Any product, on which the serial number has been defaced, modified or removed, or on which the WARRANTY VOID
IF TAMPERED sticker has been torn, reattached, removed or otherwise interfered with.
3. Damage, deterioration ormalfunctionresultingfrom:
i) Accident, misuse, abuse, neglect, fire, water, lightning orotheractsofnature
ii) Product modification, orfailureto followinstructionssupplied with theproduct
iii) Repairorattemptedrepairby anyonenot authorized byKramer
iv) Anyshipment oftheproduct(claims must bepresentedtothe carrier)
v) Removalorinstallationoftheproduct
vi) Anyothercause, whichdoes not relateto aproduct defect
vii) Cartons, equipment enclosures, cables or accessoriesusedinconjunctionwiththeproduct
WHAT WE WILLPAYFORAND WHATWE WILLNOTPAYFOR
Wewill pay laborand material expensesforcovered items.Wewill notpayforthefollowing:
1. Removal orinstallationscharges.
2. Costs of initial technical adjustments (set-up), including adjustment of user controls or programming. These costs are the
responsibility oftheKramerdealerfromwhomtheproduct was purchased.
3. Shipping charges.
HOW YOU CAN GET WARRANTY SERVICE
1. To obtain service on you product, you must take or ship it prepaid to any authorized Kramer service center.
2. Whenever warranty service is required, the original dated invoice (or a copy) must be presented as proof of warranty
coverage, and should be included in any shipment of the product. Please also include in any mailing a contact name,
company, address, and a description of the problem(s).
3. For the name of the nearest Kramer authorized service center, consult your authorized dealer.
LIMITATION OFIMPLIED WARRANTIES
All implied warranties, including warranties of merchantability and fitness for a particular purpose, are limited in duration to
the length of this warranty.
EXCLUSIONOFDAMAGES
The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option. Kramer shall
not beliable for:
1. Damage to other property caused by defects in this product, damages basedupon inconvenience, loss of use of the product, loss
oftime, commercialloss; or:
2. Any other damages, whether incidental, consequential or otherwise. Some countries may not allowlimitations on how long an
implied warranty lasts and/or do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitations andexclusions maynot applytoyou.
Thiswarranty gives youspecificlegalrights, andyou may alsohaveotherrights, which varyfromplacetoplace.
NOTE:Allproducts returned to Kramerforservicemust havepriorapproval.Thismay be obtained fromyourdealer.
Thisequipment has been testedtodeterminecompliancewith therequirements of:
EN-50081:
"Electromagneticcompatibility(EMC);
genericemissionstandard.
Part 1: Residential, commercial and lightindustry"
"Electromagneticcompatibility(EMC)genericimmunitystandard.
Part 1: Residential, commercialand lightindustryenvironment".
FCC* Rules and Regulations:
EN-50082:
CFR-47:
Part 15: “Radio frequency devices
Subpart B Unintentional radiators”
CAUTION!
Servicing the machines can only be done by an authorized Kramer technician. Any user who makes changes or
modifications to the unit without the expressed approval of the manufacturer will void user authority to operate the
equipment.
UsethesuppliedDCpowersupply to feed power to themachine.
Pleaseuserecommended interconnection cablestoconnect themachineto other components.
* FCCand CEapproved using STPcable(fortwisted pairproducts)
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For the latest information on our products and a list of Kramer
where updates to this user manual may be found.
We welcome your questions, comments and feedback.
Safety Warning:
Disconnect the unit from the power supply before
opening/servicing.
Caution
Kramer Electronics, Ltd.
Web site: www.kramerelectronics.com
E-mail: [email protected]
P/N: 2900-006020 REV 3
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