ALLEN & HEATH GL4000 Service Manual

Kernick Industrial Estate,
Penryn, Cornwall,
England. TR10 9LU
+44 (0)8707 556250
+44 (0)8707 556251
1
GL SERIES METERS
C4535 3 3
PAGE:
TITLE:
DRG No: ISSUE: SHEET: OF
ISSUE BY DATE
FILE:
C4535_1P3.Sch
14:10:13 3-Oct-2001 A3
ALLEN&HEATH
Tel:
Fax:
PRINTED:
ABCDEF GH
a
b
c
d
e
V-
4
V+
8
U4C
LM393
V-
4
V+
8
U2C
LM393
R3
10K
V_DIV_REFA
+VA
V-
4
V+
8
U3C
TL072
V-
4
V+
8
U1C
TL072
-VA
+VA
GRP5/R
GRP6/MON
GRP1/7
GRP2/8
GRP4/L
PAFL_DC
GRP5/R
GRP3
GRP1/7
GRP2/8
GRP4/L
GRP6/MON
+V +V
-V -V
V-
4
V+
8
U6C
LM393
V-
4
V+
8
U5C
TL072
R1
10R PF
R2
10R PF
D1
1N4002
D2
1N4002
C1
47/25
C2
47/25
BLGND
JP1
LINK OPT
-V
+V +VA
-VA
R4
5K6
POWER AND CONNECTORS
A AAT 19-07-01
AI1
HOLE-AI
AI2
HOLE-AI
FH1
HOLE-FIXING 3.5MM
FH2
HOLE-FIXING 3.5MM
FH3
HOLE-FIXING 3.5MM
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14
14
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CN2
BOX 8X2 M 90 DEG
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14
14
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CN1
BOX 8X2 M 90 DEG
LK1
LINK TCW
LK5
LINK TCW
LK2
LINK TCW
LK6
LINK TCW
LK3
LINK TCW
LK4
LINK TCW
LK7
LINK TCW
LK8
LINK TCW
LK9
LINK TCW
LK10
LINK TCW
LK11
LINK TCW
LK12
LINK TCW
LK15
LINK TCW
LK20
LINK TCW
LK16
LINK TCW
LK22
LINK TCW
LK19
LINK TCW
LK25
LINK TCW
LK17
LINK TCW
LK27
LINK TCW
LK18
LINK TCW
LK26
LINK TCW
LK13
LINK TCW
LK21
LINK TCW
LK14
LINK TCW
LK23
LINK TCW
LK24
LINK TCW
LK28
LINK TCW
LK29
LINK TCW
LK30
LINK TCW
**
1 AAT 14-08-01
-VA
R5
RES NF

ALLEN & HEATH GL4000 Specifications

General

Type	Analog Mixing Console
Groups	8
Faders	100mm
Frequency Response	20Hz - 20kHz
Channels	40
Mic/Line Inputs	40
EQ	4-band with 2 sweepable mids
Direct Outputs	Yes
Phantom Power	Yes
Metering	LED
Total Harmonic Distortion	< 0.005% at 1kHz
Noise (EIN)	-128dB
Dimensions	Varies depending on frame size. e.g., 40 channel: 1367mm (W) x 724mm (D) x 223mm (H)