QSC CM16a Hardware Manual page 34

Section 4:
Specifications
Power amplifier management
Power amplifier interface
Compatibility QSC Data Port equipped amplifiers
Connector and cable
HD-15 VGA cable, 2 meters length
qualified (for longer runs, contact
QSC's Technical Services Department)
Amplifiers Up to eight 2-Ch. amplifiers or four 4-Ch.
amplifiers ( or some combination thereof)
Amplifier status monitor
Clip indicator Senses channel clipping
Control room foldback monitoring
Signal monitoring buses
(per CM16)
Number of Channels
Internal signal tap points
Pre-fader input signal
Post-fader input signal
Power amplifier output
Monitor input
Nominal level
Maximum level
Input impedance
Configuration
Common-mode rejection
Contact closure inputs and outputs
Inputs
Configuration
Resistance for closure detect <1kOhm max
Resistance for open detect
Input Voltage Limit
"-" input terminal connected to chassis
34
1
4
16
16
16
Mixed with tap point signal at
unity gain
+4 dBu
+21 dBu
10 kOhm balanced
Electronically balanced, shield
connected to chassis
Typical, >50 dB, 20 Hz - 20 kHz
Worst case, >40 dB, 20 Hz-20kHz
1 discrete input
Single-ended input
>5 kOhm min
7.000 VDC maximum
Protect indicator
Temperature meter
Over-Temp. Alert
AC power control
AC mode control
AC power indicator
Output
Frequency response
Distortion
Noise floor
Nominal level
Maximum level
Output impedance
Output load
Configuration
Level
Monitor in to monitor out
Control range
Output
Configuration
Steady-state current (max.) 0.5 A
Switched current (max.)
Ground isolation
Connector "Phoenix-style" (a.k.a."Euro-style")
detachable terminal block connectors
Senses amplifier protect status
Reports amplifier operating
temperature
Software adjustable threshold
Switches amplifier between
normal and standby mode
Indicates operate, standby, or
power-down mode
Sum of Monitor input and
signal from internal monitor
tap point
25 Hz–20 kHz ±0.5 dB
<0.05% THD @ +4 dBu out
-90.5 dB
+4 dBu
+21 dBu
75 Ohms balanced
600 Ohms minimum
Active balanced
Adjusts amplitude of signal from
tap point
0 dB, ±0.5 dB
-95.5 to 0 dB in 0.5 dB steps
1 discrete output
Electromechanical relay, dry
contacts, floating, C, NC, NO
0.25 A
70 volts maximum