User guide

34
5. SPECIFICATIONS
Input Impedance (electronically balanced)
Mic input: 2.5 kohms
All other inputs: 10kohms minimum
Output Impedance
All balanced outputs: 100 ohms
All unbalanced outputs: 47 ohms
Maximum output levels
Direct, Group, L/R (balanced): +26dBu
L/R (unbalanced): +20dBu
Insert sends: +20dBu
Maximum Gain
Mic input to direct output: +70dB
Line input to direct output: +32dB
Frequency Response
Mic input @40dB gain to direct output: 20Hz to 20kHz +0, -1dB
Mix Noise
Main L/R output (reference to +4dBu nominal):
Master fader down: -97dBr
Master fader @ 0dB: -89dBr
With 32 channels routed, faders at 0dB, channels open: -75dBr
Group Noise
(reference to +4dBu nominal)
Fader down: -94dBr
Fader @ 0dB, no channels routed: -92dBr
with 32 channels routed, faders @ 0dB, channels open: -75dBr
Input Noise
Mic Input Equivalent (EIN): -127dBu
(22Hz to 22kHz, 150 ohm termination, 60dB gain)
THD+Noise
(From 10Hz to 40kHz @ 0dBu)
Direct output: 0.02%
Groups: 0.03%
L/R: 0.03%
Crosstalk
Line input to adjacent channel: -100dB @ 1kHz, -83dB @ 15kHz
Due to a policy of continuous development, the above specifications are subject to change
without notice. The figures represent typical values for signal paths stated. E & OE.