5
808S front panel
The Amplifier
board is
connected to the
rear panel
heatsink.
The Output
board and AC
Power board are
fitted to the rear
panel.
The Effects
board is a small
circuit piggy-
backed to the
Mixer board.
Behind the
front panel
is the Mixer
board.
Power
Transformer
EFX
MON
HI
12kHz
HI
12kHz
MID
2.5kHz
MON
MID
2.5kHz
MON
HI
12kHz
MID
2.5kHz
MON
HI
12kHz
MID
2.5kHz
MON
HI
12kHz
MID
2.5kHz
MON
HI
12kHz
MID
2.5kHz
MON
HI
12kHz
MID
2.5kHz
MON
HI
12kHz
MID
2.5kHz
LOW
80Hz
PAN
PAN
PAN
PAN
PAN
PAN
PAN
PAN
VOLUME CH.
VOLUME CH.
VOLUME CH.
VOLUME CH.
VOLUME CH.
VOLUME CH.
VOLUME CH.
VOLUME CH.
1
EFX
LOW
80Hz
2
2
EFX
LOW
80Hz
3
3
EFX
LOW
80Hz
4
4
EFX
LOW
80Hz
5
5
EFX
LOW
80Hz
6
6
EFX
LOW
80Hz
7
8
7
EFX
LOW
80Hz
8
EFX BYPASS
EFX DRIVE
LEVEL
12
0
NORMAL
INPUT
LEVEL
SET
INPUT
LEVEL
SET
INPUT
LEVEL
SET
INPUT
LEVEL
SET
INPUT
LEVEL
SET
INPUT
LEVEL
SET
INPUT
LEVEL
SET
INPUT
LEVEL
SET
EFX
CLIP
PARAMETERS
10
0
10
0
REVERBS
DELAYS
CHORUS
FLANGE
DAMPING
DEPTH
PHASER
TIME
RATE
NORMAL
NORMAL
CUSTOM 32-BIT PRECISION
DIGITAL STEREO EFFECTS PROCESSING
EFX WIDE
MAIN-STEREO/MONO EQUALIZER
30
CLIP
5
5
0
10
15
20
EFX FOOT
SWITCH
RIGHT RETURN
LEFT RETURN
SEND
L MIXER OUT
R MIXER OUT
COMPRESSOR
L POWER
AMP IN
R POWER
AMP IN
EFFECTS
(OVERRIDES INTERNAL EFX)
MONITOR
MAINS
TAPE IN
TAPE OUT
LEVEL
MIC
1
MIC
2
MIC
3
MIC
4
MIC
5
MIC
6
INSERT
INSERT
INSERT
INSERT
INSERT
LINE
LINE
LINE
LINE
LINE
LINE
INSERT
+15
U
O
O
1K
500
250
63
125
16K
LEVEL
2K
4K
8K
MAIN
MASTER
EFX TO
MAIN
U
O
O
+10
MASTER OUTPUT SECTION
LINE
U
+12dB
O
O
L
R
R
L
POWER
OUT
MONITOR EQUALIZER
15-
15+
5
10
0
5
10
-15
+15
5
10
0
5
10
15-
15+
5
10
0
5
10
-15
+15
5
10
0
5
10
1K
500
250
63
125
16K
2K
4K
8K
MONITOR
MASTER
EFX TO
MON
U
O
O
+10
U
+12dB
O
O
75Hz RUMBLE
REDUCTION
LEFT/MONO
RIGHT
LEFT/MONO
RIGHT
MIC
7
MIC
8
75Hz RUMBLE
REDUCTION
PHANTOM
POWER CH 1-8
BREAK
(MUTES CH 1-6)
808S
POWER AMP ROUTING
STEREO
MIC/
LINE
HI-Z
STEREO
MIC/
LINE
HI-Z
SM. ROOM
MD. PLATE
LG. PLATE
LG. HALL
GATED
REVERSE
CATHEDRAL
MD. HALL
SPRING
PHASER
DELAY 4
CHORUS
DELAY 3
DELAY 1
FLANGE
DELAY 2
IN
OUT
STEREO MAINS
LEFT = MAIN
RIGHT = MONITOR
2 X 600W STEREO
LEVEL
30
CLIP
5
5
0
10
15
20
L
R
U
O
O
+10
U
+15
-15
U
+15
-15
U
+12
-12
1
U
+20dB
O
O
HI
LOW
NORMAL
U
O
O
+15
U
O
O
+10
U
+15
-15
U
+15
-15
U
+12
-12
U
+20dB
O
O
HI
LOW
NORMAL
U
O
O
+15
U
O
O
+10
U
+15
-15
U
+15
-15
U
+12
-12
U
+20dB
O
O
HI
LOW
NORMAL
U
O
O
+15
U
O
O
+10
U
+15
-15
U
+15
-15
U
+12
-12
U
+20dB
O
O
HI
LOW
NORMAL
U
O
O
+15
U
O
O
+10
U
+15
-15
U
+15
-15
U
+12
-12
U
+20dB
O
O
HI
LOW
NORMAL
U
O
O
+15
U
O
O
+10
U
+15
-15
U
+15
-15
U
+12
-12
U
+20dB
O
O
HI
LOW
NORMAL
U
O
O
+15
U
O
O
+10
U
+15
-15
U
+15
-15
U
+12
-12
U
+20dB
O
O
HI
LOW
NORMAL
U
O
O
+15
U
O
O
+10
U
+15
-15
U
+15
-15
U
+12
-12
U
+20dB
O
O
HI
LOW
NORMAL
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
U
O
O
+15
