20 GR2 User Guide
Specification
System
Output level control VCA signal path
Front panel or remote DC control
Paging Configured independently to zone 1 and 2
Triggered by page mix signal presence
Threshold -20dB
Ducking depth -20dB
Music 1 priority Configured independently to zone 1 and 2
Triggered by music 1 signal presence
Threshold -20dBu
Release time selectable short = 2 seconds, long = 12 seconds
Routing Zone 1 = music only, or music+mic mix
Zone 2 = nothing (page only), music, mic mix, or music+mic mix
Aux = any combination of page mix, mic mix, zone 1 or zone 2 mix
Signal meters 2-colour LED for each input and output
Green = signal –12dB, red = peak +15dB (5dB before clipping)
Page mix equaliser Fixed HPF 150Hz, LPF 8kHz
Mic mix equaliser HPF swept frequency 20 to 400Hz
MF
±12dB swept frequency 180Hz to 5kHz
HF
±10dB shelving 12kHz
Zone 1 equaliser LF
±12dB 80Hz shelf, HF ±12dB 10kHz shelf
Inputs
Mic/line 1-6 in Balanced Phoenix screw terminal (mic 1 duplicated on XLR, pin2 hot)
Pad out 2k ohm -60 to -20dBu
Pad in 10k ohm -30 to +20dBu
Phantom power = +15V
Stereo music 1,2,3 in Dual RCA phono 50k ohm -10dBV or +4dBu
Mix expander in Balanced Phoenix screw terminal 10k ohm 0dBu
Page in Balanced Phoenix screw terminal 10k ohm 0dBu
Outputs
Zone out 1,2 out Impedance balanced Phoenix screw terminal (Duplicated on RCA phono)
0dBu <75ohm
Aux out Impedance balanced Phoenix screw terminal (Duplicated on RCA phono)
0dBu <75ohm
Performance
Maximum output +20dBu into 2k ohm
Internal headroom +20dB
Frequency response 20Hz to 20kHz +0/-1dB
Noise Residual output noise (zone level min) <-91dBu
Mix noise (one selection, (zone level max) < -85dBu
Power supply
Mains Power Input 3pin IEC male socket
Universal mains input 100-240V.AC 47-63Hz 25VA max
Supplied with country dependent mains power lead
Fuse T1AL 250V 20mm
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