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Kramer Electronics VM-1120 manual

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Table of contents for the manual

  • Page 1

    Kramer Ele ctronics, Ltd. Preliminary USER MANUAL Model: VM-1120 1:10 Ba lanced Stereo Audio Distributo r[...]

  • Page 2

    Contents i Contents 1 Introduction 1 2 Getting Started 1 2.1 Quick Start 2 3 Overview 3 4 Your Balanced S tereo Audio Distributor 3 5 Installing the VM-1120 in a Rack 6 6 Connecting Your Ba lanced Stereo Audio Distributor 6 6.1 Connecting a 1:20 Mono DA 7 6.2 Connecting a 2x1:10 Mon o DA 8 6.3 Connecting a 1:10 Stereo DA 9 6.4 Connecting a 2x1:5 St[...]

  • Page 3

    Introduction 1 1 Introduction Welcome to Kra mer Electronics! Since 1 981, Kramer Electronics has b een providing a world of unique, cre ative, and affordab le solutions to the vast range of proble ms that confront the video, audio, presentati on, and broadca sting professional on a d aily basis. In recent years, we have redesigned and upgrad ed mo[...]

  • Page 4

    KRAMER: SIMPLE CREATIVE TECHNOLOGY Getting Started 2 2.1 Quick Start This quick start chart s ummarizes the basic se tup and oper ation steps.[...]

  • Page 5

    Overview 3 3 Overvie w The VM- 1120 is a high performance bala nced stereo audio DA (distribution amplifier) using X LR connectors that incl udes:  Front panel output leve l trimmer co ntrols  Active J-FET amplifying circuitr y that ensures hum-free, full- bandwidth oper ation  A high-power discrete bu ffering s ystem providing excelle nt [...]

  • Page 6

    KRAMER: SIMPLE CREATIVE TECHNOLOGY Your Balanced Stereo Audio Distributor 4 Figure 1: VM-1120 1:10 Balanced Stereo Audio Di stributor[...]

  • Page 7

    Your Balanced Stereo Audio Distributor 5 Table 1: Front Panel VM-1120 1:10 Balanced Stereo Audio Distributor Features # Feature Function 1 Power LED Illuminates whe n the unit is po wered on 2 1:10 / 2 x1:5 Button Push in to sel ect 2x1:5 1 , release to sele ct 1:10 2 3 LEFT Level B and A T rimmers Adjusts 3 the output sign al level for O UT PUT S [...]

  • Page 8

    KRAMER: SIMPLE CREATIVE TECHNOLOGY Installing the VM-1120 in a Rack 6 5 Installing the V M- 1120 in a Rack Th i s sectio n describes ho w to install the VM-1 120 in a rack. Before Installing in a rack How to Rack Mount Before installing i n a rack, be sur e that the environm ent is within the recomm ended range: Operating temperature range +5  t[...]

  • Page 9

    Connecting Your Balanced Stereo Audio Distributor 7 6.1 Connecting a 1:20 M ono DA To configure a 1:2 0 mono DA, as illustrated in Figure 2, do the following: 1 . C on ne ct a s ou r ce ( fo r ex am pl e, an a ud i o p l ay e r 1 ) t o LE F T IN PU T A a n d R IG HT I N PU T A. 2 . C on ne ct u p t o 2 0 mo no a ud io a cc e pt or s (f o r e x am p[...]

  • Page 10

    KRAMER: SIMPLE CREATIVE TECHNOLOGY Connecting Your Balanced Stereo Audio Distributor 8 6.2 Connecting a 2x1:10 Mo no DA To configure a 2x1:1 0 mono DA, as illustrated in Figure 3, do the following: 1 . C on ne ct m on o au d io s ou rc e (f o r e x am pl e, a m on o a u di o pl ay er A ) t o LE FT I N PU T A . 2 . C on ne ct u p t o 1 0 mo no a ud [...]

  • Page 11

    Connecting Your Balanced Stereo Audio Distributor 9 6.3 Connecting a 1:10 Stereo D A To configure a 1:2 0 stereo DA, as illustrated in Figu re 4, do the follo wing: 1 . C on ne ct a s t er eo a ud io s ou rc e (f o r ex am pl e, a s t er eo a ud i o p l ay e r) t o L EF T I NP UT A a nd R I GH T IN PU T A. 2 . C on ne ct u p t o 1 0 st er eo a u di[...]

  • Page 12

    KRAMER: SIMPLE CREATIVE TECHNOLOGY Connecting Your Balanced Stereo Audio Distributor 10 6.4 Connecting a 2x1:5 Stereo D A To configure a 2x1:5 stereo DA, as illu strated in Figure 5 , do the follo wing: 1 . C on ne ct a s t er eo a ud io s ou rc e (f o r ex am pl e, a s t er eo a ud i o p l ay e r A) t o L EF T an d RI GH T IN P UT A . 2 . C on ne [...]

  • Page 13

    Setting the VM-1120 11 7 Setting the VM -1120 Figure 6 illustrates how the selector button works when t wo inputs are connected to one cha nnel. Figure 6: Using the Selector Button Note the followin g when using the VM -1120 :  The left and right chan nels are not co nnected. Left inputs o nly distribute to left o utputs and right inpu ts only d[...]

  • Page 14

    KRAMER: SIMPLE CREATIVE TECHNOLOGY Technical Specifications 12 8 Technical Spec ifications The VM- 1120 technical specifications are shown in Table 3 : Table 3: VM-1120 Technical Specifications 1 INPUTS: 4 balanced audio +4 dBu/50k  on XLR (F) connecto rs OUTPUTS: 20 balan ced a udio +4dB u/50  on X LR (M) connec tors MAX. OUTPUT LEVEL : >[...]

  • Page 15

    13 LI M IT E D W AR RAN T Y WH O IS PR O TE CT ED ? WHAT I S CO V E RED AND WHA T I S NOT COV ER ED WH A T WE WI L L PA Y FO R AND W H A T WE W IL L NO T PA Y F OR HO W YOU CAN GET W A RRA NTY SERVIC E LI M ITA T I O N O F IM PLI ED W A R RAN TI E S EXCL US IO N OF DAM AGE S CA UT I O N! Kram er Elec tronics (hereaf ter ) warran t s thi s pr oduct [...]

  • Page 16

    Kramer Electron ics, Ltd. Web site: www.kramerelectronics.co m E-mail: info@kramerel.com P/N: 2900-001029 REV 3 For the latest in formation on ou r products and a list o f Kramer distributors, visi t our Web site: www.kramerelectronics.co m where updates to this user manua l may be found. We welcome you r questions, co mments and feedback. Caution [...]