QSC Audio 850A Stereo Amplifier User Manual


 
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Key Features
2 channels
XLR, TRS, and barrier strip screw terminal input connectors
NL4 and binding post output connectors
Each channel has independent Clip Limiter and Low Frequency Filter (30 or 50 Hz)
Stereo, Bridge Mono, and Parallel modes of operation
QSC reliability
Complete amplifier protection
Controls, Connectors & Features
The illustrations below are for the RMX 5050a which is similar to the RMX 4050a. The 2RU units do not have the Protect Mode indicator (#5).
— Figure 1 —
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1. Power On indicator
2. Power switch
3. Clip and Signal indicators
4. Gain controls
5. Protect mode indicator
6. Cooling air exhaust vents indicator
— Figure 2 —
1
2
3
4
6
7
5
9 10
8
1. Barrier strip input connectors
2. XLR input connectors
3. TRS (1/4”) input connectors
4. Mode switches and settings
5. Cooling fan
6. NL4 output connectors
7. Binding post output connectors
8. Serial number label
9. AC circuit breakers
10. IEC power inlet (power cord connector)