9
EN
TD-000077-00-K
Outputs
Wiring connections are shown on the back of the chassis. Carefully note the polarity marks, which are arranged to make
Bridge Mode connections easier. Four-channel models are shown in the examples; two-channel models are similar.
WARNING!:
Do not touch output terminals while amplifier power is on. Make all connections with
amplifier turned off. Risk of hazardous energy!
Low Impedance Outputs
Stereo and Parallel Mode:
Connect each loudspeaker to its own channel of the amplifier, as shown on the chassis label.
The mode configuration switches must be set for Stereo or Parallel mode.
(Figure 16)
Bridge Mode:
Bridge mode configures the channel pair to drive a single high-power loudspeaker load. The mode
configuration switches must be set for Bridge mode. Use only the first channel's input and Gain control. Set the second
channel's Gain control at minimum.
(Figure 17)
Distributed Outputs (“V” models, 70V/140V)
Stereo and Parallel Mode:
Connect each 70V circuit to its own channel of the amplifier, as shown on the chassis label.
The mode configuration switches must be set for Stereo or Parallel mode.
(Figure 18)
WARNING!:
70V Output- Risk of hazardous energy! Use Class 2 wiring for 70V outputs.
Bridge Mode:
Bridge mode configures the channel pair to drive a single 140V audio circuit. The mode configuration
switches must be set for Bridge mode. Use only the first channel's input and Gain control. Set the second channel's Gain
control at minimum. Connect the load as shown on the chassis label.
(Figure 19)
140V BRIDGE MODE PRECAUTIONS:
NOTE:
Class 3 Wiring shall be used for bridged mono 140V outputs.
NOTE:
Connect only 140V distributed audio circuits in bridged mode. Do not use 70V loads in bridge
mode! Use Stereo or Parallel mode channels to drive 70V loads. 140V is the minimum for bridge mode
operation.
Loads Rated by Model
Load
CX254
CX302
CX404
CX502
CX702
CX902
CX1102
CX204V
CX302V
CX602V
CX1202V
S/P
Br.
S/P
Br.
S/P
Br.
S/P
Br.
S/P
Br.
S/P
Br.
S/P
Br.
S/P
Br.
S/P
Br.
S/P
Br.
S/P
Br.
2
*
*
*
*
*
*
4
*
*
*
*
*
*
*
*
*
*
*
*
*
*
8
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
16
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
70 Volt
*
*
*
*
140 Volt
*
*
*
*
— Table 1 —
Be sure the model amplifier you are using is rated for the load!
— Figure 16 —
— Figure 17 —
— Figure 18 —
— Figure 19 —
Summary of Contents for CX302
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Page 71: ...71 CH TD 000077 00 K FCC FCC 15 B QSC QSC www qsc com QSC QSC QSC QSC QSC...
Page 74: ...74 CH TD 000077 00 K 3 3 3 4 1 2 IEC...
Page 79: ...79 CH TD 000077 00 K 22 23 0dB dB 21 14 1 dB 14dB LED 1 9 64 3 5 mm 2 3 4 LED 24 22 23...
Page 87: ...87 TD 000077 00 K AR WARNING CAUTION IMPORTANT NOTE WARNING powerCon...
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Page 89: ...89 TD 000077 00 K AR QSC CX 70 QSC QSC XLR 10 20 200 140 50 100 70 25 CX302 IT 42 CX 3...
Page 91: ...91 TD 000077 00 K AR 3 3 3 CAUTION 4 1 2 NOTE CAUTION...
Page 96: ...96 TD 000077 00 K AR 23 22 0 21 1 14 14 1 3 5 64 9 2 3 4 24 4 23 22...
