User Guide

Distortion at 1KHz Mic to Mix ( + 60dB
gain, 0dBu output ) < 0.03%
Line to Mix ( 0dBu ) < 0.03%
Crosstalk at 1 KHz Channel to Channel < - 100dB
Mix to Mix < - 90dB
Channel to Mix < - 90dB
Maximum Fader
attenuation > 90dB
Output Impedance All Line Outputs 50 Ohms Balanced Source to
drive > 600 Ohms
Headphones To drive > 8 Ohms Unbalanced
Comms ( Bi - directional ) 600 Ohms Nominal Unbalanced
Maximum Output Level All Line Outputs + 21dBu
Headphones + 21dBu ( 8W into 8 Ohms )
Comms(Bi-
directional ) - 10dBu
Nominal Signal Level Mic - 70dBu to + 5dBu
Channel
Line Inputs - 20dBu to + 5dBu
All other Line
Inputs and outputs 0dBu
Headphones + 10dBu
Comms - 20dBu
Comms and Talk Mic - 50dBu to - 20dBu ( auto gain )
Headroom at all stages Comms, Talk
and Headphone > 10dB
All other signals > 20dB
Metering Type 20 led peak reading
Range - 36dBu to + 21dBu
Colour Green Up to + 9dBu Normal signal
Colour Yellow + 12dBu to + 15dBu High signal
Colour Red Over + 18dBu Signal Too High
Quantity 77 ( Monitoring all main
Inputs and outputs )