Allen&Heath GS3000 - Manual (Page 37)

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