Specifications – Allen & Heath CQ-20B Ultracompact 20-Channel Digital Mixer (Rackmount/Stagebox) User Manual
Page 133

133
User Guide
V1.1.0
Issue 1
15. Specifications
Mic/Line Inputs
Balanced XLR, Balanced XLR/TRS Combi, fully recallable
preamp
Input Sensitivity
-60 to +0dBu
Line Inputs (Combi Sockets)
-20dB Pad (Fixed)
Hi-Z Inputs (CQ-20B 15&16)
Relay switched, 1M Ohm impedance, 0 to +40dB gain
Analogue Gain
0dB to +60dB, 1dB steps
Maximum Input Level
+17dBu (XLR), +30dBu (TRS)
Input Impedance
>1.5kΩ (XLR), >10kΩ (TRS)
THD+N, Unity gain 0dB
0.002% -92dBu (20Hz-20kHz, USB soundcard, @0dBu 1kHz)
THD+N, Mid gain +30dB
0.004% -88dBu (20Hz-20kHz, USB soundcard, @-30dBu 1kHz)
Phantom Power
+48V (+3V / -2V)
Stereo Line Inputs
Stereo Line Input Connection
Balanced, 1/4" TRS Jack, Normalled
Input Sensitivity
Nominal +4dBu
Trim
+/-24dB
Maximum Input Level
+21dBu
Input Impedance
>10kΩ
Outputs
Main LR
Balanced, XLR
Outputs 1-6
Balanced, 1/4" TRS Jack (CQ-18T, CQ-12T), XLR (CQ-20B)
Output Impedance
<75Ω
Nominal Output
+4dBu = 0dB meter reading
Maximum Output Level
+22dBu
Residual Output Noise
-88dBu (muted, 20Hz-20kHz)