Allen&Heath GL4000 USER GUIDE - Manual (Page 11)

10
C
ONNECTORS
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
D
IRECT
O
UTPUT
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.
I
NSERT
S
END
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.
I
NSERT
R
ETURN
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).
M
IC
/L
INE
I
NPUT
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.
M
ONO
C
HANNEL
L
INE
I
NPUT
3-pole 1/4" jack socket (tip = hot). Electronically balanced >10kohm.
S
TEREO
C
HANNEL
L
INE
I
NPUT
3-pole 1/4" jack socket (tip = hot). Electronically balanced >10kohm.
Plug into the Left input only for a mono line source.