ALLEN & HEATH GS3000 - Rear Panel Layout and Specifications; Rear Panel Layout; Technical Specifications; Connection Details

GS3000
U
SER
G
UIDE
37
R
EAR
P
ANEL
L
AYOUT
S
PECIFICATIONS
0 dBu = 0.775 Volts rms 0 dBV = 1 Volt rms
HEADROOM
:............................................................ +21dB
MAX OUTPUT
:.............. ……………21dBu 2kohm max load
METERS
: Groups 1-8, L, R .........peak reading 12 bar LED
PEAK LEDs
: ........................... Turn on 5dB before clipping
FREQUENCY RESPONSE
referred to 1kHz at +4dBu:
Any input to any output................. 20Hz to 20kHz +0/-0.5dB
DISTORTION
: THD+Noise at +14dBu 1kHz
Mic in to L-R output, 40dB gain.................................0.006%
Line in to L-R output, 0dB gain.................................0.006%
CMRR
Mic in, 40dB gain at 1kHz.......................................... >80dB
CROSSTALK:
Referred to driven channel at 1kHz
Adjacent channel ................................................... <-100dB
Channel fader off ..................................................... <-90dB
Channel mute on...................................................... <-75dB
Channel Pan pot isolation ....................................... < -72dB
NOISE
: Measured rms 22Hz to 22kHz bandwidth
Mic input EIN (150 ohm source)..............................<-128dB
Line preamp, 0dB gain............................................<-93dBu
LR output residual noise..................... <-98dBu (102dB S/N)
LR faders unity mix noise.................... <-90dBu (94dB S/N)
LR mix noise (16 channels routed)....... <-86dBu (90dB S/N)
LR mix noise (24 channels routed)..........................<-80dBu
POWER SUPPLY
:................... RPS11 3U x 19” rack mount
AC Mains input:......................IEC socket with lead supplied
.................................................100 to 240V AC @ 50/60Hz
...............................................set with 4 position fuse insert
Power consumption:............................................ 250W max
Mains Fuse rating:.........................100-120V AC T5A 20mm
................................................220-240V AC T3.15A 20mm
DC outputs...............±16V @ 5A max, +48V @ 150mA max
C
ONNECTIONS
INPUTS:
Mic in ............................ XLR............................pin 2 +, 3 -, balanced ... ........................2k ohm ............variable -60 to +10dBu
Line in ........................... TRS jack ....................tip +, ring -, balanced ... ........................15k ohm ..........variable -10 to -40dBu
Stereo in (3,4) ............... TRS jack (L,R)............tip +, ring -, balanced ... ........................>15k ohm ........variable -20 to +10dBu
Stereo in (1,2) ............... TRS jack ....................tip +, ring -, balanced ... ........................ >15k ohm ........+4dBu / -10dBV switchable
Tape in.......................... TRS jack ....................tip +, ring -, balanced ... ........................ 22k ohm ..........+4dBu / -10dBV switchable
Valve Mic ..................... TRS jack ....................tip +, ring -, balanced ... ........................ 2k ohm ............variable -60 to +10dBu
Valve Line in.................. TRS jack ....................tip +, ring -, balanced ... ........................ 15k ohm ..........variable -10 to -40dBu
Valve Guitar in............... TRS jack ....................tip +, sleeve gnd, unbalanced ..............470k ohm ........variable +10 to -50dBu
2-Track 1 in................... XLR............................pin 2 +, 3 -, balanced .. ........................>10k ohm ........+4dBu
2-Track 2&3 in............... RCA PHONO .............unbalanced...... ........... ........................ >10k ohm ........-10dBV
INSERTS:
Chan, groups, L-R......... TRS jack ....................tip send, ring return, unbal ....................<75 ohm, >7k ohm....... -2dBu
OUTPUTS:
Direct (Tape) out ........... TRS jack ....................tip +, ring -, impedance balanced..........<75 ohm ..........-2dBu
Groups (Tape) out......... TRS jack ....................tip +, ring -, impedance balanced..........<75 ohm ..........+4dBu / -10dBV switchable
Valve out (½ patch) ....... TRS jack ....................ring +, tip not used, unbalanced............<75 ohm ..........-2dBu
Aux out......................... TRS jack ....................tip +, ring -, impedance balanced..........<75 ohm ..........-2dBu
2- Track 1 out................ XLR............................pin 2 +, 3 -, ground compensated ........<75 ohm ..........+4dBu
2-Track 2&3 out............. RCA PHONO .............unbalanced...... ........... ........................ <75 ohm ..........-10dBV
Studio outputs............... TRS jack ....................tip +, ring -, impedance balanced.......... <75 ohm ..........-2dBu
Control room outputs..... TRS jack ....................tip +, ring -, impedance balanced..........<75 ohm ..........-2dBu
Phones out.................... TRS jack ....................tip left, ring right........... ........................for stereo headphones 30 to 600 ohms
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