Specification - ALLEN & HEATH GL2 User Manual

GL2
0 dBu = 0.775 Volts RMS
0 dBV = 1 Volt RMS
INTERNAL OPERATING LEVEL: -2 dBu
INTERNAL HEADROOM: ............ +23 dB
MAX OUTPUTS: .......................... balanced +27 dBu 600 ohms max load
All console inputs and outputs are in-phase except for the
METERS: ..................................... Peak responding bargraph
PEAK LEDs: ................................. Turn on 5dB before clipping
SIG LEDs: .................................... dynamic responding Turn on at -20dBu
Width ............... 19.0" standard 19" rack .......... (483mm)
Height .............. 19.2" 11U rack space ............. (488mm)
Depth ............... 3.5" ........................................... (90mm)
weight .............. 21lbs ................... (10.5kg)
packed ............. 28lbs ................... (13kg)
CONSTRUCTION: All metal chassis.
Standard 19" rack mount in 11U space.
Single front panel with individual removable circuit assemblies.
Removable base for service access.
Removable internal power supply unit.
CONNECTIONS
INPUTS:
MIC IN ............................ XLR ............................ pin 2 hot, 3 cold balanced .......... 2 kohms ........... variable -60 to -10dBu
LINE IN .......................... XLR ............................ pin 2 hot, 3 cold balanced .......... 10 kohms ......... variable -40 to +10 dBu
or 1/4" JACK .................. tip hot, ring cold balanced .......... 10 kohms ......... variable -40 to +10 dBu
STEREO IN A ................ 1/4" JACK .................. tip hot, ring cold unbalanced ...... 20 kohms ......... variable -20 to +22 dBu
STEREO IN B ................ RCA PHONO ....................................... unbalanced ...... 20 kohms ......... variable -20 to +22 dBu
RETURN IN ................... 1/4" JACK .................. tip hot, ring gnd unbalanced ...... >10kohms ........ variable -10 dBV min
2-TRACK RETURN ....... RCA PHONO ....................................... unbalanced ...... >6 kohms ......... -10 dBV
INSERT RETURN .......... 1/4" JACK .................. tip send, ring ret unbalanced ...... >6 kohms ......... -2dBu
OUTPUTS:
L-R OUT ........................ XLR ............................ pin 2 hot, 3 cold balanced .......... 50 ohms ........... +4 dBu +27 dBu max
MONO OUT ................... XLR ............................ pin 2 hot, 3 cold balanced .......... 50 ohms ........... +4 dBu +27 dBu max
GROUP OUT ................. XLR ............................ pin 2 hot, 3 cold balanced .......... 50 ohms ........... +4 dBu +27 dBu max
AUX OUT ....................... 1/4" JACK .................. tip hot, ring gnd unbalanced ...... 75 ohms ........... variable +21 dBu max
2-TRACK SEND ............ RCA PHONO ....................................... unbalanced ...... 1 kohm ............. -10 dBV
INSERT SEND ............... 1/4" JACK .................. tip send, ring ret unbalanced ...... 75 ohms ........... -2 dBu . +21 dBu max
MONITOR OUT ............. 1/4" jack ..................... tip left, ring right unbalanced ...... 100 ohms ......... variable +21 dBu max
PHONES OUT ............... 1/4" jack ..................... tip left, ring right for stereo headphones 8 to 400 ohms

SPECIFICATION

unbalanced +21 dBu 2kohms max load
GROUP INSERTS
0VU = +4dBu at XLR outputs
FREQUENCY RESPONSE: 20Hz to 20kHz +0/-1dB
DISTORTION: . THD 0.01% Line in to mix out at 1kHz
CROSSTALK: . output mute better than 100 dB at 1kHz
channel mute better than 90 dB at 1kHz
fader shutoff better than 90 dB at 1kHz
NOISE: ............ 22Hz to 22kHz
MIC EIN -127.5 dB into 150 ohms
LINE pre-amp at 0dB -88 dBu
MIX noise -85 dB ref 0VU
POWER REQUIREMENTS: 50/60Hz 40W max
Mains voltage set for local requirements.
PHANTOM POWER: +48V DC 50mA
Channel XLR inputs individually switched