Stage Data Sheet

AB168 Technical Datasheet – Issue 2 3 Allen & Heath Ltd
System Specifications
Inputs
Outputs
XLR Mic/Line Inputs
Balanced
XLR Outputs
Balanced, Relay protected
Mic/Line Preamp
Fully recallable
Output Impedance
<75Ω
Input Sensitivity
-60 to +15dBu
Nominal Output
+4dBu = 0dB meter reading
Analogue Gain
+5 to +60dB, 1dB steps
Maximum Output Level
+22dBu
Pad
-20dB
Residual Output Noise
-91dBu (muted, 20-20kHz)
Maximum Input Level
+32dBu
Input Impedance
>4kΩ (Pad out), >10kΩ (Pad in)
Operating Temperature
0 deg C to 35 deg C
(32 deg F to 95 deg F)
Mic/Line Channel noise
20-20kHz, Direct Out @ unbalanced out
Mic EIN
-127dB with 150Ω source
Mains Power
100-240V, 50/60 Hz, 40W max
Unity gain (Pad in)
-90dBu
Low gain (5dB, Pad out)
-93dBu
Mid gain (30dB, Pad out)
-89dBu
Mic/Line Channel THD+N
20-20kHz, Direct Out @ unbalanced out
Unity gain (Pad in)
0.005% -86dBu @ 1kHz, 0dBu output
Low gain (5dB, Pad out)
0.003% -89dBu @ 1kHz, 0dBu output
Mid gain (30dB, Pad out)
0.004% -88dBu @ 1kHz, 0dBu output