Allen&Heath GL4000 SERVICE MANUAL - Manual (Page 12)

ALLEN & HEATH Section A - 7 L4DSM2
MIC/LINE IN .................. XLR ........................... pin 2 hot, 3 cold ........... balanced ......... 2 kohms .......... variable -60 to -6dBu
MIC/LINE IN +PAD ........ XLR ........................... pin 2 hot, 3 cold ........... balanced ......... 10 kohms ........ variable -40 to +14dBu
LINE IN .......................... 1/4" JACK .................. tip hot, ring cold ........... balanced ......... 10 kohms ........ variable -40 to +14dBu
STEREO LINE IN .......... 1/4" JACK .................. tip hot, ring cold ........... balanced ......... 10 kohms ........ -10dBu or +14dBu
CHANNEL INSERTS ..... 1/4" JACK .................. tip hot, ring cold ........... balanced ......... 10 kohms ........ 0dBu
OUTPUT INSERT RET . 1/4" JACK .................. tip hot, ring cold ........... balanced ......... 10 kohms ........ -2dBu
2-TRACK INPUT ........... 1/4" JACK ......................................................... unbalanced ..... 10 kohms ........ variable -10dBV
INPUTS:
L, R, MONO OUT, ......... XLR ........................... pin 2 hot, 3 cold ........... balanced ......... 75 ohms .......... +4dBu
GROUP OUT, ................ XLR ........................... pin 2 hot, 3 cold ........... balanced ......... 75 ohms .......... +4dBu
AUX OUT, ...................... XLR ........................... pin 2 hot, 3 cold ........... balanced ......... 75 ohms .......... +4dBu
MATRIX A, B, C, D ........ 1/4" JACK .................. tip hot, ring cold ........... impedence bal 50 ohms .......... +4dBu
DIRECT OUT ................. 1/4" JACK .................. tip hot, ring cold ........... impedence bal 50 ohms .......... 0dBu or variable
MONITOR ...................... 1/4" JACK .................. tip hot, .......................... unbalanced ..... 2 kohms .......... 0dBu variable
2-TRACK OUTPUTS ..... 1/4" JACK .................. tip hot, .......................... unbalanced ............................... 0dBu variable
HEADPHONES OUT ..... 1/4" JACK ................. tip L, ring R .................. for stereo headphones 8 to 400 ohms
( 2 SOCKETS) ............... 1/4" JACK ................. tip L, ring R .................. for stereo headphones 8 to 400 ohms
OUTPUTS:
CONNECTIONS
GL4000 REAR PANEL CONNECTORS