Allen&Heath GL2800 - Manual (Page 34)

34 GL2800 User Guide
Specifications
Performance
Maximum input level
Mic +34dBu (inc pad)
CH Line +34dBu
Other Line +20dBu
Maximum output level
XLR +26dBu
Jack +20dBu
Internal headroom
Channels +20dB
Mix +22dB
Meters
3 colour, quasi peak response
Sensitivity 0VU = +4dBu at XLR output
Master meters 12 segment -30 to +16dB
Channel meters 4 segment -12,0,+6+16dB (5dB before clip)
Frequency response
20Hz to 50kHz +/-0.5dB
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)
LR mix noise 24 routed < -86dBu (-90dB S/N)
Group mix noise 16 routed < -86dBu (-90dB S/N)
Aux mix noise 16 routed < -92dBu (-90dB S/N)
Mix noise 24 line 0dB gain < -86dB S/N
Channel HPF
12dB/octave below 100Hz
Mono 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
Stereo EQ
HF Shelving +/-15dB, 12kHz
HM Peak/dip +/-15dB, 2.5kHz, Q=1.8
LM Peak/dip +/-15dB, 250Hz, Q=1.8
LF Shelving +/-15dB, 80Hz
Power
supply External RPS11 IEC input
External Input for optional RPS11 backup supply
Mechanical
24 32 40 48 56
Width 944mm (37.2”) 1171mm (46.1”) 1398mm (55”)
1625mm(64”) 1852mm(73”)
Depth 650mm (25.6”)
Height 170mm (6.7”)
Weight
29kg(63.8lbs) 35kg(77lbs) 41kg(90.2lbs) 47kg(103.4lbs) 53kg(116.6lbs)