User Manual for 1:10 Balanced Stereo Audio Distributor - AV-iQ
Contents
1. Kramer Electronics hereafter Kramer warrants this product free from defects in material and workmanship under the following terms HOW LONG IS THE WARRANTY Labor and parts are warranted for three years from the date of the first customer purchase WHO IS PROTECTED Only the first purchase customer may enforce this warranty WHAT IS COVERED AND WHAT IS NOT COVERED Except as below this warranty covers all defects in material or workmanship in this product The following are not covered by the warranty T 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 www kramerelectronics com Ze Any product on which the serial number has been defaced modified or removed Damage deterioration or malfunction resulting from i Accident misuse abuse neglect fire water lightning or other acts of nature ii Product modification or failure to follow instructions supplied with the product iii Repair or attempted repair by anyone not authorized by Kramer iv Any shipment of the product claims must be presented to the carrier v Removal or installation of the product vi Any other cause which does not relate to a product defect vii Cartons equipment enclosures cables or accessories used in conjunction with the product WHAT WE WILL PAY FOR AND WHAT WE WI2. A wPUTB ouT1a_ out 28 ELi gs OUT DoW Stereo Audio Acceptor B1 OUT3A OUT 4A oursa HS 5 Stereo Audio Source S Stereo Audio Acceptor A5 Stereo Audio Source B Example 2 1 10 Stereo DA INPUTA INPUTBOUT A oute OUT 2B OUT3A OUT3B 5 29 11 2 Jn un uv Stereo Audio Acceptor 1 Stereo Audio Source Stereo Audio Acceptor 10 Figure 3 Stereo 2x1 5 and 1 10 DA Configurations 6 Technical Specifications Table 3 VM 1120 1 10 Balanced Stereo Audio Distributor Technical Specifications Inputs 4 mono 2 pairs of balanced stereo audio 4dBm 50 kO on female XLR connectors Outputs 20 balanced audio 10 balanced stereo audio 4dBm 500 on male XLR connectors Audio Bandwidth 40kHz 3dB THD Less than 0 196 at 1kHz Coupling DC Audio S N Ratio 90 dB Max Signal Output gt 22Vpp gt 20dBm Dimensions 19 inch W 7 inch D 2U H rack mountable Power Source 230 VAC 50 60 Hz 115VAC U S A 18VA Weight 3 9kg 8 6lbs approx Accessories Power cord 6 KRAMER ELECTRONICS LTD LIMITED WARRANTY
3. Kramer Electronics Ltd l KRAMER USER MANUAL Model VM 1120 1 10 Balanced Stereo Audio Distributor Contents Contents 1 Introduction 2 Getting Started 3 Overview 4 Your Balanced Stereo Audio Distributor 5 Configuring Your Balanced Stereo Audio Distributor 5 1 A Mono 1 20 DA Configuration Example 5 2 Two Stereo DA Configuration Examples 6 Technical Specifications Figures Figure 1 VM 1120 1 10 Balanced Stereo Audio Distributor Figure 2 Mono 1 20 DA Configuration Figure 3 Stereo 2x1 5 and 1 10 DA Configurations Tables Table 1 Front Panel VM 1120 1 10 Balanced Stereo Audio Distributor Features Table 2 Rear Panel VM 1120 1 10 Balanced Stereo Audio Distributor Features Table 3 VM 1120 1 10 Balanced Stereo Audio Distributor Technical Specifications DUNA DN mm Un UY S KRAMER Introduction 1 Introduction Dedication by Kramer Electronics since 1981 to the development and manufacture of high quality video audio equipment makes the Kramer line an integral part of the finest production and presentation facilities in the world In recent years Kramer has redesigned and upgraded most of the line making the best even better The Kramer line of professional video audio electronics is one of the most versatile and complete available and is a true leader in terms of quality workmanship price performance ratio and innovation In addition to our high quality distribution ampl
4. LL NOT PAY FOR We will pay labor and material expenses for covered items We will not pay for the following 1 Removal or installations charges 2 Costs of initial technical adjustments set up including adjustment of user controls or programming These costs are the responsibility of the Kramer dealer from whom the product was purchased 3 Shipping charges HOW YOU CAN GET WARRANTY SERVICE 1 To obtain service on you product you must take or ship it 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 OF IMPLIED WARRANTIES All implied warranties including warranties of merchantability and fitness for a particular purpose are limited in duration to the length of this warranty EXCLUSION OF DAMAGES The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option Kramer shall not be liable for 1 Damage to other property caused by defects in this product damages based upon inconvenience loss of use of the product loss of time commercial loss or 2 Any other damages whether inc
5. arefully rotate it trimming the OUTPUT level 4 Switch OFF the power on each device before connecting it to your VM 1120 After connecting your VM 1120 switch on its power and then switch on the power on each device 4 KRAMER ELECTRONICS LTD Configuring Your Balanced Stereo Audio Distributor 5 1 A Mono 1 20 DA Configuration Example Figure 2 illustrates an example of a 1 20 mono DA configuration with both 1 10 2x1 5 buttons released which splits input A to all 20 outputs 1 20 monoDA INPUTA INPUTB 2 our28 OUTSA OUT4A E 133 5 125 Audio Source E CLELEDCETTTD I I LILILLEDCLIITD Audio 1 Audio Acceptor 2 Audio 19 Audio Acceptor 20 Figure 2 Mono 1 20 DA Configuration 5 2 Two Stereo DA Configuration Examples Figure 3 illustrates 2 separate stereo DA configuration examples e A 2x1 5 DA example 1 push in both 7 70 2x1 5 buttons This splits inputs A and B to outputs 1A 5A and 1B 5B respectively e A 1 10 DA example 2 release both 1 10 2x1 5 buttons This splits input A to all 10 outputs 1 Items 2 and 4 in Figure 1 and in Table 1 KRAMER Technical Specifications Example 1 2x1 5 Stereo DA a INPUT
6. avoiding interference deterioration in signal quality due to poor matching and elevated noise levels often associated with low quality cables e Avoiding interference from neighboring electrical appliances that may adversely influence signal quality e Positioning your Kramer VM 1120 in a location free from moisture and away from excessive sunlight and dust Your Balanced Stereo Audio Distributor Figure 1 illustrates the front and rear panels of the VM 1120 Tables 1 and 2 define the front and rear panels of the VM 1120 respectively KRAMER ELECTRONICS LTD Your Balanced Stereo Audio Distributor POWER LEFT RIGHT Bo Level B Level am 2 1 5 B A am 2x15 B A B KRAMER O O 1 10 Balanced Stereo Audio Distributor l s 1120 2 A OJO INPUTA INPUT B OUT 1A OUT 1B OUT 2A OUT 2B OUT 3A OUT 3B OUT 4A OUT 4B OUT 5A OUT 5B RIGHT SERIAL NO 230 VAC 50 60 Hz FUSE Uo Figure 1 VM 1120 1 10 Balanced Stereo Audio Distributor KRAMER Configuring Your Balanced Stereo Audio Distributor Table 1 Front Panel VM 1120 1 10 Balanced Stereo Audio Distributor Features Feature Function 1 Power Switch Illuminated switch supplying power to the unit 2 1 10 2x1 5 Button Pushing in selects 2x1 5 releasing selects 1 10 3 Level B an
7. d A Trimmers Adjusts the output signal level for OUTPUTS A and B 4 7 10 2 1 5 Button Pushing in selects 2 1 5 releasing selects 1 10 5 e Level B and A Trimmers Adjusts the output signal level for OUTPUTS A and Table 2 Rear Panel VM 1120 1 10 Balanced Stereo Audio Distributor Features Feature Function 1 INPUT A XLR Female Connector Connects to the source A 2 INPUT B XLR Female Connector Connects to the source B 3 OUT A XLR Male Connector Connects to the acceptor A from 1 to 5 4 OUT B XLR Male Connector Connects to the acceptor B from 1 to 5 5 Power Connector with Fuse 230 VAC 50 60 Hz 115V AC U S A power inlet 5 Configuring Your Balanced Stereo Audio Distributor You can configure your VM 1120 Balanced Stereo Audio Distributor in one of 4 ways e 2 1 10 mono DA e 1 20 DA e 2 1 5 stereo DA e 1 10 stereo DA To configure a mono or stereo VM 1120 DA 1 Connect the audio source s and audio acceptors to the rear panel of the VM 1120 2 Pushinor release the 1 10 2x1 5 button as appropriate refer to the examples in sections 5 1 and 5 2 3 Connect the power cord to the electricity supply Switch on the VM 1120 The audio input s is are buffered to the audio outputs 1 Splits inputs and to outputs 1 5 and 1 5 respectively 2 Splits input A to all 10 outputs 3 Insert a screwdriver into the small hole and c
8. idental consequential or otherwise Some countries may not allow limitations 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 and exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from place to place NOTE All products returned to Kramer for service must have prior approval This may be obtained from your dealer This equipment has been tested to determine compliance with the requirements of EN 50081 Electromagnetic compatibility EMC generic emission standard Part 1 Residential commercial and light industry EN 50082 Electromagnetic compatibility EMC generic immunity standard Part 1 Residential commercial and light industry environment CFR 47 FCC Rules and Regulations Part 15 Radio frequency devices Subpart B Unintentional radiators CAUTION DO 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 DO Use the supplied DC power supply to feed power to the machine B Please use recommended interconnection cables to connect the machine to other components KRAMER For the latest information on our products and a list of Kramer distributors vis
9. ifiers we also offer excellent switchers and matrices remote controllers processors interfaces and computer related products Congratulations on purchasing your Kramer VM 1120 1 10 Balanced Stereo Audio Distributor This product is ideal for the following typical applications e Audio duplication and production studios delivering undiminished quality duplicates e Recording studios e Broadcast studios for on line signal distribution The package includes the following items e VM 1120 0 Balanced Stereo Audio Distributor e Power cord e This user manual e Kramer concise product catalog CD 2 Getting Started We recommend that you e Unpack the equipment carefully and save the original box and packaging materials for possible future shipment e Review the contents of this user manual 3 Overview The VM 1120 is a high performance balanced stereo audio DA distribution amplifier using XLR connectors that includes e Front panel output level trimmer controls e State of the art Bi Fet amplifying circuitry All circuitry is active with no l KRAMER Your Balanced Stereo Audio Distributor transformers thus ensuring hum free full bandwidth operation e Ahigh power discrete buffering system providing excellent performance You can configure your VM 1120 as a mono DA 2x1 10 or 1 20 or as a stereo DA 2x1 5 or 1 10 Achieving the best performance means e Connecting only good quality connection cables thus
10. it our Web site www kramerelectronics com Updates to this user manual may be found at http www kramerelectronics com manuals html We welcome your questions comments and feedback 007 o Ly al Institute of Quality amp Control QS Kramer Electronics Ltd Web site www kramerelectronics com E mail info kramerel com P N 2900 001029 REV 2
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