GL2200
S
ERVICE
M
ANUAL
5
Specifications
0 dBu = 0.775 Volts rms 0 dBV = 1 Volt rms
HEADROOM
:............................................................ +21dB
MAX OUTPUT
: ..............……XLR +25dBu 2kohm max load
...........................................JACK +21dBu 2kohm max load
METERS
: L, R……………….peak reading 12 bar LED
Groups 1-4……….peak reading 4 segment LED
Channels…………peak reading 4 segment LED
PEAK LEDs
: ........................... Turn on 5dB before clipping
FREQUENCY RESPONSE
referred to 1kHz @ +4dBu:
Any input to any output.................... 20Hz to 30kHz +0/-1dB
DISTORTION
: THD+Noise @ +14dBu 1kHz
Mic in to L-R output, 40dB gain ................................0.010%
Line in to L-R output, 0dB gain .................................0.008%
CMRR
CROSSTALK:
Referred to driven channel @ 1kHz
Adjacent channel ……………………………………... < -94dB
Channel fader off.....................................................< -90dB
Channel mute on.....................................................< -90dB
Channel Pan pot isolation........................................< -80dB
NOISE
: Measured rms, 22kHz bandwidth
Mic input EIN (150 ohm source).............................< -128dB
Line preamp, 0dB gain...........................................< -90dBu
L-R output residual noise.....................< -94dBu (98dB S/N)
L-R faders ‘0’, nothing routed...............< -90dBu (94dB S/N)
L-R mix noise (16 channels routed) .....< -84dBu (88dB S/N)
Group, faders ‘0’, nothing routed..........< -91dBu (95dB S/N)
Group mix noise (16 channels routed).< -84dBu (88dB S/N)
POWER SUPPLY
:....................100 to 240V AC @ 47/63Hz
...................................Internal, autosensing AC mains input
Power consumption:..............................................60W max
Mains Fuse rating 100-240VAC: ...............T1A 250V 20mm
Mic in, 40dB gain @ 1kHz......................................... >88dB
Connections
INPUTS:
Mic in .............................XLR.........................pin 2 hot, 3 cold, balanced....................>2k Ohm..........variable -60 to -20dBu
Line in ............................XLR.........................pin 2 hot, 3 cold, balanced ....................>10k Ohm........variable -30 to +10dBu
or TRS jack.................tip hot, ring cold, balanced....................>10k Ohm........variable -30 to +10dBu
Stereo Ch Line in ...........TRS jack .................tip hot, unbalanced................................>8k Ohm .........-20dBu min
Stereo Return.................TRS jack .................tip hot, unbalanced................................>6k Ohm..........-10dBV min
2-Track Return ...............RCA PHONO ..........unbalanced...........................................>10k Ohm........-10dBV min
Insert Return ..................TRS jack .................tip send, ring return, unbalanced...........>6k Ohm..........0dBu (chan), -2dBu (out)
OUTPUTS:
L-R, Group out ...............XLR.........................pin 2 hot, 3 cold, balanced .................... <75 Ohm .........+4dBu, +27dBu max
Direct out........................TRS jack .................tip hot, impedance balanced .................<75 Ohm .........0dBu
2-Track sends ................RCA PHONO ..........unbalanced...........................................<75 Ohm .........variable +21dBu max
Aux out..........................TRS jack .................tip hot, impedance balanced .................<75 Ohm .........variable +21dBu max
Mono out........................XLR.........................tip hot, ring cold, balanced .................... <75 Ohm .........+4dBu, +27dBu max
Insert send.....................TRS jack .................tip send, ring return, unbalanced...........<75 Ohm .........0dBu (chan), -2dBu (out)
Monitor out.....................TRS jack .................tip left, ring right, unbalanced................<75 Ohm .........variable +21dBu max
Phones out.....................TRS jack .................tip left, ring right.................................... for stereo headphones 30 to 600 Ohms
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