Allen&Heath GL2800M USER GUIDE - Manual (Page 21)

G G G GL L L L2 2 2 28 8 8 80 0 0 00 0 0 0M M M M 21 Allen & Heath
Specifications
Performance
Maximum XLR input level
+34dBu (inc pad)
Maximum XLR output level +26dBu
Internal headroom
Channels +20dB, Mix +22dB
Master meters 12 segment -30 to +16dB, 0VU= +4dBu XLR
Channel meters 4 segment -12,0,+6+16dB (5dB before clip)
Frequency response 20Hz to 50kHz +0/-1dB
Mic CMRR at 1kHz > 80dB typical
THD+n at +14dBu 1kHz Mic to mix out < 0.003%
Crosstalk at 1kHz Fader shutoff >90dB
Mute shutoff >88dB
Inter channel >90dB
Noise, rms 22Hz to 22kHz Mic EIN -128dB
Residual output noise < -96dBu (-100dB S/N)
Mix noise 24 channels < -80dBu (-84dB S/N)
Channel HPF Switched 100Hz, 12dB/octave
Output HPF Swept off to 400Hz, 12dB/octave
Channel EQ HF Shelving +/-15dB, 12kHz
HM Peak/dip +/-15dB, 500Hz to 15kHz, Q=1.8
LM Peak/dip +/-15dB, 35Hz to 1kHz, Q=1.8
LF Shelving +/-15dB, 80Hz
Mix 1-8 EQ HM Peak/dip +/-15dB, 500Hz to 12kHz, Q=1.6
LM Peak/dip +/-15dB, 80Hz to 2kHz, Q=1.6
Power supply External RPS11 IEC input
External Input for optional RPS11 backup supply
Connections
Channel
XLR balanced pin 2 hot Sensitivity -60 to +14dBu
Total gain range 74dB
20dB Pad out 2k ohm, in >10k ohm
Wedge Ext in XLR balanced pin 2 hot >10k ohm, 0dBu, +20dBu max
IEM Ext in TRS unbalanced >10k ohm, 0dBu, +20dBu max
Talkback mic XLR balanced pin 2 hot Sensitivity -50 to -10dBu
Phantom power Internal jumper +48V (fitted)
Inserts Channel TRS, tip send, ring return, 0dBu
Output TRS, tip send, ring return, -2dBu
Mix 1-16 out XLR balanced pin 2 hot <75 ohm, +4dBu, +26dBu max
IEM/Wedge out XLR balanced pin 2 hot <75 ohm, +4dBu, +26dBu max
Talkback/Osc out XLR balanced pin 2 hot <75 ohm, +4dBu, =26dBu max
Headphones TRS, tip L, ring R, 30 to 600 ohm headphones recommended
Lamp 4-pin XLR max 12V 5W lamp
Mechanical
24 32 40
Width 944mm (37.2”) 1171mm (46.1”) 1398mm (55”)
Depth 650mm (25.6”)
Height 170mm (6.7”)
Weight 29kg(63.8lbs) 35kg(77lbs) 41kg(90.2lbs)