Allen&Heath GL4800 USER GUIDE - Manual (Page 14)

14 GL4800 User Guide
Connectors
Professional gold plated connector types are used to ensure continued reliable operation.
All the console main inputs and outputs are balanced XLRs. All 1/4" jacks are 3-pole TRS
for operation with balanced or unbalanced equipment. Inserts are provided on all channel
inputs, and on Groups, L, R, Mono and all Aux outputs. Aux can be swapped with matrix
and LR2 for XLR outputs with inserts
Direct Output
Provides a buffered signal from the channel, ideal for minimum
signal path connection to multitrack recorders or local effects
sends. Set post-fader, post-mute as standard. Can be switched
through the Aux10 send control for pre/post fader selection and
level trim with +6dB maximum boost.
3-pole 1/4" jack socket (tip = hot). Impedance balanced 50 ohm
0dBu line level for connection to balanced or unbalanced
equipment.
Insert Send
Used to send the channel signal to external effects and signal
processing equipment, post-pre-amp and pre-EQ.
3-pole 1/4" jack socket (tip = hot).
Impedance balanced 0dBu 50ohm line level.
Insert Return
Used to return the processed signal from external equipment into
the channel audio signal path pre-EQ.
3-pole 1/4" jack socket (tip = hot). Balanced >10kohm 0dBu line
level. (Stereo channel returns are unbalanced).
Mic/Line Input
3-pin female XLR (pin 2 = hot). Electronically balanced.
74dB gain range. Mic impedance >2kohm, line >10kohm
Can be used for XLR line input when the LINE IN jack is left
unplugged.
Mono Channel Line Input
3-pole 1/4" jack socket (tip = hot). Electronically balanced
>10kohm.
Stereo Channel Line Input
3-pole 1/4" jack socket (tip = hot). Electronically balanced
>10kohm. Plug into the Left input only for a mono line source.
R
MIC
LINE
IN
SEND
XLR
INSERT
RET
LINE
IN
L /MONO
DIRECT
OUT
INSERT
RET
SEND
LINE
IN
MIC
LINE
IN
MONITOR 10 MONITOR 9 MONITOR 8 MONITOR 7 MONITOR 6 MONITOR 5 MONITOR 4 MONITOR 3 MONITOR 2 MONITOR 1 STAGE MONITOR MODE
DC POWER IN A
(BACKUP)
B
LISTEN WEDGE
OUT2
MATRIX
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
M
RETURN
2-TRACK
R
L
GROUND
CHASSIS
RESET
THRU
MIDI
IN
OUT
9 AUX10
2 2 L R
FOR MATRIX/LR2 ON XLR + INSERTS =
MODE
OUT REV
AUX8 7 6 5
LOCAL
4 3 2 1
METERPOD
DIRECT
OUT
LINE
IN
MIC
LINE
IN
INSERT
RET
SEND
DIRECT
OUT
INSERT
RET
SEND
LINE
IN
MIC
LINE
IN
1 2 4 3
1 2 4 5 6 7 8 3
GRP
INSERT
RET
SEND
GRP
INSERT
RET
SEND
GRP
INSERT
RET
SEND
GRP
INSERT
RET
SEND
GRP
INSERT
RET
SEND
GRP
INSERT
RET
SEND
GRP
INSERT
RET
SEND
GRP
INSERT
RET
SEND
AUX
INSERT
RET
SEND
AUX
INSERT
RET
SEND
AUX
INSERT
RET
SEND
AUX
INSERT
RET
SEND
RET RET RET
L
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
AUX
5
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
AUX
6
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
AUX
7
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
AUX
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
AUX
9
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
SEND
RET
INSERT
AUX
10
L R
INSERT
SEND
INSERT
SEND
INSERT
SEND
INSERT
SEND
RET
INSERT
RET
SEND
INSERT
RET
SEND
INSERT
RET
SEND
INSERT
RET
SEND
GL4800
SERIAL NUMBER
AUX
GRP
L2 R2 MTX1 MTX2 MTX4 MTX3
MTX
(MAIN)
MADE IN ENGLAND BY ALLEN & HEATH LIMITED
R
GL4800
R
IN
MIC
LINE
XLR
INSERT
SEND
RET
STEREO
LINE
IN
STEREO CHANNELS
/MONO L
R
MIC
LINE
IN
SEND
XLR
INSERT
RET
STEREO
LINE
IN
L /MONO