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McIntosh MC452 - Connecting Loudspeakers: Banana Plugs and Spade Lugs

McIntosh MC452
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MC452
13 14
MAIN 751311 SCH 2 of 3
2
10k
R43
150k
R53
D32
3
1
2
Q16
.22µF
C29
1µF
C31
100
R57
L METER LOG AMP
200k
R46
L METER DRIVER
3
1
2
Q14
3
1
2
Q18
+14VML+14VML
475k
R59
6
5
7
U8:2
22.1k
R51
D28
D30
D16
D17
D26
2
3
1
84
B+
B-
U10:1
+14VML
-5VML
10k
R44
D33
3
1
2
Q17
.22µF
C30
1µF
C32
100
R58
R METER LOG AMP
R METER DRIVER
3
1
2
Q15
3
1
2
Q19
+14VMR+14VMR
475k
R61
D29
D31
D20
D21
D27
6
5
7
U9:2
220µF
C19
+14VML
.1µF
C23
+15V
220µF
C20
1k
R36
-5VML
.1µF
C24
-15V
22.1k
R52
1
2
T2
10
R41
1000µF
C27
33.2k
R45
2
3
1
84
B+
B-
U8:1
D14
D15
D22
+14VML
-5VML
18.2k
R49
D24
10
R42
1000µF
C28
33.2k
R47
2
3
1
84
B+
B-
U9:1
D18
D19
D23
+14VMR
-5VMR
18.2k
R50
D25
100k
13
2
CCW
R56
150k
R54
100k
1 3
2
CCW
R55
21
3
G
D
S
Q21
1M
R69
21
3
G
D
S
Q20
6
5
7
U10:2
6
5
7
U11:2
2
3
1
84
B+
B-
U11:1
+14VMR
-5VMR
0.1 1W
R39
1
2
T3
0.1 1W
R40
220µF
C21
+14VMR
.1µF
C25
+15V
220µF
C22
1k
R38
-5VMR
.1µF
C26
-15V
HOLD R
12.1k
R60
1M
R70
200k
R48
-5VML
-5VMR
12.1k
R62
-5VML
-5VMR
200k
R63
1.5k
R66
3.32k
R65
200k
R64
1.5k
R68
3.32k
R67
1
FUNC 1
FUNC 2
J29:1
1
FUNC 1
FUNC 2
J29:2
1
FUNC 1
FUNC 2
J30:1
1
FUNC 1
FUNC 2
J30:2
1
FUNC 1
FUNC 2
J31:1
1
FUNC 1
FUNC 2
J31:2
1
FUNC 1
FUNC 2
J32:1
1
FUNC 1
FUNC 2
J32:2
R METERL MET
E
R
L MET
R MET
D12
D13
L MET V
R MET V
475k
R71
MUTEHOLD L
3
1
2
Q22
475K
R72
-5VML
475k
R73
MUTE
3
1
2
Q23
475K
R74
-5VMR
1000pF
C33
1000pF
C34
10µF
C36
10µF
C35
220
R37
220
R35

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