Kramer Electronics Music Mixer 2900 000313 Rev 4 User Manual

KRAMER ELECTRONICS LTD.  
USER MANUAL  
MODEL:  
102xl  
2-Channel Audio Mixer  
P/N: 2900-000313 Rev 4  
 
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 video, audio, presentation, and broadcasting professionals  
on a daily basis. In recent years, we have redesigned and upgraded most of our  
line, making the best even better!  
Our 1,000-plus different models now appear in 11 groups that are clearly defined  
by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers;  
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 and GROUP 11:  
Sierra Products.  
Congratulations on purchasing your Kramer 102xl 2-Channel Audio Mixer, which  
is ideal for the following typical applications:  
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Live stage and studio audio mixing  
Presentation systems and press conferences  
102xl - Introduction  
1
 
 
2
Getting Started  
We recommend that you:  
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Unpack the equipment carefully and save the original box and packaging  
materials for possible future shipment  
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Review the contents of this user manual  
to check for up-to-date user manuals, application programs, and to check if  
firmware upgrades are available (where appropriate).  
i
2.1  
Achieving the Best Performance  
To achieve the best performance:  
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Use only good quality connection cables (we recommend Kramer high-  
performance, high-resolution cables) to avoid interference, deterioration in  
signal quality due to poor matching, and elevated noise levels (often  
associated with low quality cables)  
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Do not secure the cables in tight bundles or roll the slack into tight coils  
Avoid interference from neighboring electrical appliances that may adversely  
influence signal quality  
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Position your Kramer 102xl away from moisture, excessive sunlight and dust  
This equipment is to be used only inside a building. It may only be  
connected to other equipment that is installed inside a building.  
!
2
102xl - Getting Started  
 
   
2.2  
2.3  
Safety Instructions  
Caution:  
There are no operator serviceable parts inside the unit  
!
Warning: Use only the Kramer Electronics input power wall  
adapter that is provided with the unit  
Warning: Disconnect the power and unplug the unit from the wall  
before installing  
Recycling Kramer Products  
The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC  
aims to reduce the amount of WEEE sent for disposal to landfill or incineration by  
requiring it to be collected and recycled. To comply with the WEEE Directive,  
Kramer Electronics has made arrangements with the European Advanced  
Recycling Network (EARN) and will cover any costs of treatment, recycling and  
recovery of waste Kramer Electronics branded equipment on arrival at the EARN  
facility. For details of Kramer’s recycling arrangements in your particular country  
102xl - Getting Started  
3
 
   
3
Overview  
The 102xl 2 Channel Audio Mixer is a high quality, low noise, 2-input mono  
balanced audio standalone mixer that provides for 2 different levels on each input -  
Mic level or line level as well as the selection of either a dynamic or phantom  
microphone.  
The 102xl includes:  
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Two XLR input connectors and one XLR output connector  
A MASTER knob for adjusting the level of both input signals mixed into the  
output, and two LEVEL knobs, for adjusting the levels of each input  
separately  
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A 12 VDC power socket, which is ideal for field use. The unit generates  
broadcast voltage level ±12V and +48V internally from the single  
+12 VDC input  
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Two input level select switches for selecting the balanced level (MIC or  
LINE)  
Two switches for applying 48V phantom power  
4
102xl - Overview  
 
 
3.1  
Defining the 102xl 2-Channel Audio Mixer  
This section defines the 102xl.  
Figure 1: 102xl 2-Channel Audio Mixer  
#
1
2
Feature  
Function  
INPUT 1 XLR Female Connector  
PHANTOM 48V (OFF/ON) Switches  
Connects to the audio source 1  
Move to ON to select a condenser microphone;  
move to OFF to select dynamic microphone (1 and  
2)  
3
4
INPUT 2 XLR Female Connector  
Connects to the audio source 2  
INPUT LEVEL SELECT (LINE/MIC)  
Switches  
Move to MIC to select microphone level input;  
move to LINE to select line level input (1 and 2)  
5
6
7
8
9
12V DC  
+12V DC connector for powering the unit  
Lights when the unit is powered  
ON LED  
OUTPUT XLR Male Connector  
INPUT Knobs  
LEVEL  
Connects to the audio acceptor  
Adjust the input levels of each channel (1 and 2)  
MASTER Knob  
Adjusts the combined signals from both inputs  
mixed to the output  
102xl - Overview  
5
 
   
4
Connecting the 102xl  
Always switch off the power to each device before connecting it to your  
102xl. After connecting your 102xl, connect its power and then switch  
i
on the power to each device.  
To connect up to two balanced audio sources to the 102xl 2 Channel Audio Mixer,  
as the example in Figure 2 illustrates, do the following:  
1. Connect a balanced audio source (for example, a condenser microphone) to  
the INPUT 1 XLR female connector.  
Set the INPUT LEVEL SELECT IN 1 switch to MIC.  
Set the PHANTOM 48V IN 1 switch to ON.  
When using a dynamic microphone, set the PHANTOM 48V switch to OFF.  
2. Connect a balanced audio source to the INPUT 2 XLR female connector.  
Set the INPUT LEVEL SELECT IN 2 switch to LINE.  
Set the PHANTOM 48V IN 2 switch to OFF.  
3. Connect the XLR male OUTPUT connector to a balanced audio acceptor (for  
example, a power amplifier with speakers).  
4. Connect the 12V DC power adapter to the power socket and connect the  
adapter to the mains electricity.  
5. Rotate the INPUT 1, INPUT 2 and MASTER LEVEL knobs to adjust the  
audio level of input 1, input 2 and of both inputs mixed together (the  
MASTER LEVEL knob) to the output, respectively.  
For every unused input, be sure to rotate the LEVEL potentiometer  
fully counter-clockwise (to the minimum level).  
i
6
102xl - Connecting the 102xl  
 
 
Figure 2: Connecting the 102xl 2-Channel Audio Mixer  
102xl - Connecting the 102xl  
7
 
 
5
Technical Specifications  
INPUTS:  
2 line/mic balanced mono on XLR (F) connectors  
OUTPUT:  
1 line balanced mono on an XLR (M) connector  
18Vpp @absolute maximum gain  
> 100kHz  
MAX. OUTPUT LEVEL:  
BANDWIDTH (-3dB):  
S/N RATIO:  
Line: 91.5dB Mic: 62.5dB, 1kHz  
CONTROLS:  
Line:<-48dB to +11.4dB, Mic: <-1.9dB to +62.5dB,  
minimum to absolute gain  
Phantom +48V selection for condenser microphone by  
DIP-switches per input  
Line/microphone input mode selection by DIP-switches per  
input  
COUPLING:  
Input: AC, Output: DC  
AUDIO THD + NOISE:  
AUDIO 2nd HARMONIC:  
POWER CONSUMPTION:  
OPERATING TEMPERATURE:  
STORAGE TEMPERATURE:  
HUMIDITY:  
Line: 0.013%, Mic: 0.079%  
Line: 0.002%, Mic: 0.01%  
12 VDC, 140mA  
0° to +40°C (32° to 104°F)  
-40° to +70°C (-40° to 158°F)  
10% to 90%, RHL non-condensing  
10.68cm x 16.2cm x 4.2cm (4.2" x 6.38" x 1.65"), W, D, H  
0.65kg (1.4lbs) approx.  
DIMENSIONS:  
WEIGHT:  
ACCESSORIES:  
Power supply  
OPTIONS:  
RK-1 19" rack adapter  
Specifications are subject to change without notice at http://www.kramerelectronics.com  
8
102xl - Technical Specifications  
 
 
 
For the latest information on our products and a list of Kramer distributors,  
visit our Web site 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 and servicing  
!
P/N:  
Rev:  
2900- 000313  
4
 

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