Filter
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10
BLOCK DIAGRAM
L
R
RIAA
ATT
ATT
RIAA
LINE 1
LINE 3
PHONO 1
PHONO 2
PHONO 3
LINE 2
LINE 4
LINE 5
MIC
MASTER LEVEL
BOOTH LEVEL
INPUT
SELECTOR
INPUT
SELECTOR
TRIM
TRIM
MIC LEVEL
AUX LEVEL
CUE SELECT
MONITOR LEVEL
METER SELECT
PHONES
LINE OUT
MASTER OUT
BOOTH OUT
LEVEL METER
LO PASS
LO PASS
MID PASS
MID PASS
HI PASS
HI PASS
ISOLATOR
PEAK LEVEL
CUT
CUT
CUT
CUT
CUT
CUT
PMC-250 BLOCK DIAGRAM
PGM-1
PGM-2
PGM-3(AUX)
MIC
LO
LO
LO
MID
MID
MID
HI
HI
HI
IF-1
C.F
L
L
L
L
L
L
L
L (PGM-1)
L
L
L
L
R
R
R
R
R
R
R
R (PGM-2)
R
R
R
R
PHONO 1
PHONO 1
LINE 1
LINE 1
LINE 2
LINE 2
-10dB
+6dB
+6dB
-10dB
-10dB
0dB
0dB
-10dB
-0dB
-0dB
-1
-1
RIAA
RIAA
INPUT
SELECTOR
INPUT
SELECTOR
LO PASS
LO PASS
FILTER
MID PASS
MID PASS
HI PASS
HI PASS
ISOLATOR
PEAK LEVEL
CUT
CUT
CUT
CUT
CUT
CUT
LO
LO
LO
MID
MID
MID
HI
HI
HI
IF-2
PHONO 2
PHONO 2
LINE 3
LINE 3
LINE 4
LINE 4
-10dB
PGM-1
SPLIT
PGM-1
PGM-2
MASTER
1
12
3
3
2
MASTER
SPLIT
STEREO
STEREO
PGM-2
AUX
+6dB
+6dB
-10dB
-0dB
-0dB
To CUE,LED
RIAA
RIAA
From PGM-1
L
R
ATT
ATT
ATT
ATT
ATT
ATT
ATT
ATT
ATT
ATT
ATT
ATT
ATT
ATT