McIntosh MC1.2KW Service Manual

15
16
DRIVER 750760 PCB
4
INPUT 750753 SCH and PCB
5
702473
Q67
C15
Q23
Q16
Q17
C21
R67
Q75
R79
Q14
C5
R157
R158
Q19
R48
Q72
Q15
R64
R53
Q20
C6
R70
C9
Q12
R88
J2
Q41
R39
R4
R2
R57
C3
R69
J7
R34
R37
R40
R35
LDR1
C27
+
C12
-
R100
C11
R5
Q63
R47
R43
R51
R49
C37
Q68
R50
Q10
Q78
Q11
R152
Q7
R58
Q8
R32
R153
R104
C19
R105
Q37
R106
C33
R108
Q38
R107
Q39
R101
Q36
Q1
C14
R41
Q55
J1
R74
C35
R93
R59
R71
Q56
Q42
C16
R27
R114
J3
C32
R118
J9
R117
R103
C34
R116
J6
Q66
R154
R33
R63
R62
R61
C1
C41
R44
R78
R60
U1
C10
R55
C43
C28
R56
C39
R54
R38
R31
C36
RoHS
R36
Rev.A
Q62
R42
Q60
Q61
R46
129863
R45
Q64
Q18
C7
C4
Q13
R
91
R72
Q21
Q22
C8
R68
R156
R155
R3
R1
C2
R30
R75
J4
IN
OUT
GND
OUT
CONTRO L IN
POW ER
INPUT-
INPUT+
POW ER CONTRO L
4
2
3
1
S
-
+
G
J4
2
5
1
J11
2
5
1
J12
10uF
C4
10uF
C6
187k
R139
22pF
C12
.1uF
C9
GND
187k
R132
100
R130
10k
R131
power control out
power contro l in
10k
R142
.1uF
C10
POW ER CONTRO L OUT
POW ER CONTROL IN
47pF
C8
6
5
7
-
+
U1:2
4
5
6
2
1
3
S1
2
3
1
-
+
84
B+
B-
U1:1
2
3
1
J2
10k
R140
POW ER CONTROL
J7:8
J7:9
POWER CONTRO L
J7:10
J7:4
J7:5
J7:2
J7:1
J7:6
J7:3
J7:7
11V
-11V
-11V
11V
4
2
3
1
S
-
+
G
J5
0V
0V
0V
4
4
4
4
4
4
4
4
4
J7-4
J7-5
J7-8
J7-10
J7-9
J7-7
J7-6
J7-3
J7-1
J7-2
NC
METER LIGHT
CONTROL
GND
-11V
11V
11V
-11V
-11V
-11V
4
702471
R130
J12 J11
C10
C9
R142
C8
C12
C6
S1
R131
J2
R139
R132
J5
C4
J7
J4
R140
U1

McIntosh MC1.2KW Specifications

General

Damping factor	100
Amplifier class	-
Frequency range	10 - 100000 Hz
Output impedance	8 Ω
Audio output channels	1.0 channels
Peak power per channel	1200 W
Signal-to-Noise Ratio (SNR)	124 dB
Total Harmonic Distortion (THD)	0.005 %
Speakers connectivity type	Binding post
Purpose	Performance/stage
Product color	Black, Silver
Connectivity technology	Wired
LED indicators	Yes

Weight and Dimensions

Depth	558.8 mm
Width	450.9 mm
Height	312.7 mm
Weight	66700 g