GL2800 User Guide 35
Connections
Mono channel XLR balanced pin 2 hot Sensitivity -60 to +14dBu
TRS balanced, tip hot Sensitivity -40 to +14dBu
Total gain range 74dB
Pad out (MIC) 2k ohm
Pad in (MIC or LINE) >10k ohm, -20dB attenuation
Max input level +34dBu
XLR phantom power +48V, on/off
Stereo channel Mic in Same as mono channel
Stereo in TRS balanced >10k ohm, -16 to +20dBu
Stereo return ST1/3 TRS unbal >10k ohm, -16 to +20dBu
ST2/4 TRS balanced >10k ohm, -16 to +20dBu
Talkback mic XLR balanced pin 2 hot Sensitivity -50 to -10dBu
Phantom power Internal jumper +48V (fitted)
2-track return TRS unbalanced >4k ohm, -2dBu
2-track send TRS impedance balanced <75 ohm, -2dBu
Inserts Channel TRS, tip send, ring return, 0dBu
Output TRS, tip send, ring return, -2dBu
L, R, M outputs XLR balanced pin 2 hot <75 ohm, +4dBu, +26dBu max
Group (aux) out XLR balanced pin 2 hot <75 ohm, +4dBu, +26dBu max
Aux 1-10 output TRS impedance balanced <75 ohm, -2dBu, +20dBu max
Electronic balance option <75 ohm, +4dBu, +26dBu max
Direct out TRS impedance balanced <75 ohm, 0dBu, +20dBu max
Matrix out TRS impedance balanced <75 ohm, -2dBu, +20dBu max
Electronic balance option <75 ohm, +4dBu, +26dBu max
Headphones TRS, tip L, ring R, 30 to 600 ohm headphones recommended
Monitor out TRS impedance balanced <75 ohm, -2dBu, +20dBu max
Talkback/osc out TRS impedance balanced <75 ohm, +20dBu max
Lamp 4-pin XLR max 12V 5W lamp
GL2800 Series Part Numbers
22 mic/line, 2 mic/stereo, 8 group console GL2800-24/v
30 mic/line, 2 mic/stereo, 8 group console GL2800-32/v
38 mic/line, 2 mic/stereo, 8 group console GL2800-40/v
46 mic/line, 2 mic/stereo, 8 group console GL2800-48/v
54 mic/line, 2 mic/stereo, 8 group console GL2800-56/v
Sys-Link V2 input/output option kit GL2800-SLV2
SSM2142P balanced output driver option IC AE0302
DRV134 balanced output driver option IC (alternative to above) AE5725
Allen & Heath RPS11 power supply RPS11/v
Allen & Heath 18” gooseneck LED lamp – right angled LEDLAMP-X
