McIntosh C2600 Service Manual

35 36
AUDIO 751899 SCH 5 of 6
5
47.5
R223
3
1
2
Q 69
.1µF
C181
.1µF
C180
+1 0V M
-5 V M
+1 5V
-1 5V
1k
R225
D43
3
1
2
Q 65
.1µF
C188
.47µF
C190
221
R238
L METER LOG AMP
68.1k
R228
L M ET ER DRIVER
3
1
2
Q 63
3
1
2
Q 67
+1 0V M+1 0V M
22.1k
R234
D39
D41
D33
D34
D37
2
3
1
84
B+
B-
U24:1
+1 0V M
-5 V M
6
5
7
U24:2
3.32k
R244
2.21M
R240
-5 V M
332k
R236
1k
R227
D44
3
1
2
Q 66
.1µF
C189
.47µF
C191
221
R239
R M ET ER LOG AMP
68.1k
R229
R M ET ER D R IVER
3
1
2
Q 64
3
1
2
Q 68
+1 0V M+1 0V M
22.1k
R235
D40
D42
D35
D36
D38
2
3
1
84
B+
B-
U25:1
+1 0V M
-5 V M
6
5
7
U25:2
2.21M
R241
-5 V M
332k
R237
3
1
2
Q 70
3.32k
R245
1k
R224
.01µF
C186
68.1k
R230
1k
R226
.01µF
C187
68.1k
R231
5.1V
D31
5.1V
D30
R MET
L M ET
L OUT
R OUT
100k
13
2
CCW
R242
100k
13
2
CCW
R243
47µF
C184
47µF
C185
10
R232
47.5
R222
5.1V
D32
220 µF
C 183
220 µF
C 182
MET ENA
68.1k
R246
68.1k
R247
10
R233
10
R248
10
R249
100k
R250
100k
R251

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®)