McIntosh C2600 Service Manual

C2600
13 14
CONTROL 751898 SCH 3 of 4
2
180V
160V
131V
203V
160V
190V
221k
R153
221k
R140
3
1
2
Q32
1M
R141
3300pF
C70
33.2k
R156
150k
R154
200V Nominal
221k
R133
.22µF
C80
15mA
18V1
1k
R151
18.7V
10µF
C95
.047µF
C94
3300µF
C74
3300µF
C77
18.8V23.5V
.1µF
C84
100µF
C88
475
R145
18V1
6.34k
R137
18.8V
.1µF
C87
100µF
C91
475
R149
18V2
6.34k
R136
TGND2
-18.8V
.1µF
C86
220µF
C90
475
R147
-18V1
-18.8V
.1µF
C85
220µF
C89
475
R143
-18V2
6.34k
R138
-23.5V
3300µF
C73
3300µF
C71
-23.5V
33
R152
150k
R155
190V
.047µF
C93
IN(TAB) OUT
ADJ
1
2 3
U39
IN(TAB) OUT
ADJ
1
2 3
U40
IN OUT(TAB)
ADJ
1
23
U37
IN OUT(TAB)
ADJ
1
23
U38
3
21
Q33
T125mAL250V
F2
FH2
3
21
D
S
G
Q31
1.82k
R150
220µF
C92
D36
D37
D38
D39
47µF
C78
13
D44
No Pop
190V
GND
TUBE RED
11
J4:7
11
J4:6
11
J4:5
J4:1
TUBE GRN
18V
-18V
J4:8
J4:2
J4:3
J19:8
J19:2
J19:1
J19:7
J19:3
J19:5
J19:4
J19:6
TO TUBE
J4:4
18V
TUBE RED
TUBE GRN
From U27
11
11
11
11
11
190V
+23V
-23V
HV1
HV2
6.34k
R139
18V1
18V2
-18V1
-18V2
-18V
23.5V
2.21
R158
2.21
R159
C72 - No Po p
C76 - No Pop
6-32
GP6
NetTie1
NetTie2
NetTie3

McIntosh C2600 Specifications

General

Signal to Noise Ratio	100dB
Phono Stage	Yes
Digital USB Input	1
Digital MCT Input	1
Vacuum Tube	Yes
Type	Tube Preamplifier
Frequency Response	20Hz - 20kHz (+0, -0.5dB)
Phono Inputs	1 Moving Magnet 1 Moving Coil
Outputs	3 Total
Output Impedance	100 ohms
Dimensions	17.5" (44.45cm) x 6" (15.24cm) x 18" (45.72cm)
Headphone Output	1/4" High Drive with Headphone Crossfeed Director (HXD®)