Owner's Manual

33
Block Diagrams
PPM Series Powered Mixers
Stereo Versions (408S, 808S)
63 125
250
500
1K
2K
4K
8K 16K
DAMPING/DEPTH
TIME/RATE
EFX WIDE
10
5
0
-5
-10
-15
-30
-40
-20dB
L
R
MID HI
80 2K5 12K
LO
75Hz
HPF
75Hz
HPF
63 125
250
500
1K
2K
4K
8K 16K
10
5
0
-5
-10
-15
-30
-40
10
5
0
-5
-10
-15
-30
-40
75Hz
HPF
63 125
250
500
1K
2K
4K
8K 16K
PHANTOM
+15V DC
MID HI
80 2K5 12K
LO
MID HI
80 2K5 12K
LO
COMPRESSOR
COMPRESSOR
PHANTOM
TRIM
(INPUT LEVEL SET)
0 to 40dB
G
L
O
B
A
L
P
H
A
N
T
O
M
P
O
W
E
R
PWR AMP
GROUND
CHASSIS
GROUND
PWR AMP
GROUND
CHASSIS
GROUND
RIGHT POWER
AMP IN
MIC/LINE
CH 1-6
3-BAND EQ
+/- 15dB
+/- 15dB
+/- 15dB
+VDC
+VDC
BREAK
(MUTES CH 1-6, EFX,
AND MONITOR)
PHANTOM
L
'
R
'
E
F
X
M
O
N
L
R
EFX
EFX
TO M ONITOR
EFX
TO MAIN
EFX BYPASS
EFX CLIP
EFX RETURN L
EFX SEND
LEFT POWER
AMP IN
AMP ROUTING
TAPE IN
TAPE OUT L
STEREO MAINS
MAIN/MONITOR
MONITOR
EFX
PA N
VOLUME
MONITOR
EFX
PA N
TRIM
(INPUT LEVEL SET)
TAPE OUT R
MAIN MASTER
LEVEL
MONITOR LEVEL
STEREO
CH 7-8
INSERT
0 to 40dB
Off to +20dB
Off to +20dB
Off to +10dB
+/- 15dB
Off to +12dB
Off to +20dB
Off to +10dB
Off to +12dB
Off to +10dB
Off to +10dB
Off to +12dB
Off to +10dB
EFX RETURN R
RIGHT MIXER
OUT
LEFT MIXER
OUT
MONITOR
LINE OUT
+/- 15db
+/- 15db
3-BAND EQ
9-BAND EQ
9-BAND EQ
9-BAND EQ
3-BAND EQ
EFX
FOOT
SWITCH
LEVEL
MACKIE DESIGNS
PPM STEREO
BLOCK DIAGRAM
(212029CJM/DF/SE)
LEFT AMP
LEFT SPEAKER
OUT
RIGHT AMP
RIGHT SPEAKER
OUT
RUMBLE FILTER
RUMBLE FILTER
RUMBLE FILTER
TAPE IN
LEVEL
VOLUME
Off to +20dB
LEFT/
MONO
RIGHT
EMAC
DSP