Allen&Heath GS3000 - Manual (Page 11)

GS3000 U SER G UIDE 11
100Hz lo-cut filter – Attenuates frequencies below 100Hz to reduce low frequency source
noise such as unwanted rumble. It can also be used to clean up sounds which do not
have much bass content, such as vocals and cymbals.
EQ IN – Press to switch the EQ into the signal path. The switch affects both the HF/LF
and HMF/LMF Equalisers.
AUXILIARY SENDS – A total of 6 aux busses are available. You can set up to 6 mixes
using the 4 aux send controls.
Aux sends 1 & 2 can be switched either pre or post-fade using the GLOBAL PRE/POST
SELECT SWITCH. This affects aux sends 1 & 2 for all input channels. Normally, effects
sends are post-fade, so that the effect follows the fader level and cue feeds are Pre-Fade
so that an independent mix can be sent to the musicians. The MON/CHAN switch
sources Aux sends 1 & 2 from either the monitor signal path or the channel path.
Aux sends 3 & 4 are post-fade and can also be sourced from the channel signal path or
the monitor path by selecting the MON/CHAN switch. Aux sends 3 & 4 can also be
switched to aux busses 5 & 6 to expand the number of effects that can be used at the
same time.
XFX (extra FX) – When mixing down, a separate post-fade stereo effects
send can be created by pressing the XFX and MIX B switches along with the
MIX B switch in one of the studio sections on the master panel. The output
can be fed from the Studio output jack sockets to the effects unit.
PAN – positions the channel signal within the stereo image to MIX B when
selected, or to the groups when the CHAN/MON switch above the routing
switches is in the up position. Pan fully left to route the channel signal to the
odd groups and right to route the channel signal to the even groups. The
centre position (mono image) is detented for quick resetting.
MIX B – routes the channel signal to the Mix B stereo buss.
GRP/DIRECT – In the up position the post-fade channel signal (DIRECT) is
sent to the multitrack. When pressed, the corresponding GROUP mix output



20

- 5
- 10
MIC
LINE
40
20
60
50
10
40
30









EQ
12kHz

60Hz
IN
+ 17 - 17
- 17 + 17
0.6
18Hz
30Hz
120Hz
600Hz
2
1
1kHz
0
0.6
300Hz
440Hz
1.8kHz
7.5kHz
2
18kHz
0
- 15
- 15
CHAN
MON
+ 15
1
+ 15
0 
CHAN
MON
0
MON
CHAN
PRE/POST
10 0
C
10 0
10 0


0 10




  

PEAK

C
L R
GROUP 8

GRP/DIRECT





MIX
R L









 

MON
CHAN




STATUS



HMF EQ
LMF EQ
100Hz lo-cut filter
C
H
A
N
N
E
L
P
A
T
H