L-Acoustics LA48A User Manual
                        | |
Contents
| 
L-ACOUSTICS LA48a Manual V1.0 27/01/2003 146. CONNECTIONS6.1 INPUT CONNECTIONS6.1.1 BALANCED INPUTSXLR Input connectors are active balanced and wired according to IEC 268 (i.e., pin 2 hot) in thefollowing way:PIN 1 GROUND/SHIELDPIN 2 HOT (+)PIN 3 COLD (-)Figure 4: XLR Input Connector Wiring Figure 5: Balanced XLR wiringThe NeutrikÆ Combojack includes a ºî (6.3 mm) phone jack, which is wired in parallel with the XLRin the following manner:TIP HOTRING COLDSLEEVE SHIELD/GROUNDFigure 6: ºî TRS plugThe input impedance is high enough (20 kOhms, balanced) to allow îdaisy-chainingî, or multiple parallelinput connections. The headroom of the input circuits is also high enough to accept the maximum outputlevel from virtually any low-level signal source. Balanced signals are less sensitive to AC hum and radiointerference. The source impedance should be less than 1 kOhms in order to avoid high frequency loss inlong cables.To daisy chain amplifiers, use the XLR-male connector, labeled Link, provided on each channel. Thisconnector is wired in parallel with the NeutrikÆ Combo jack on each input.Figure 7: LA48a Rear Panel DetailGain=32dB |
Related manuals for L-Acoustics LA48A
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine