McIntosh C2600 Service Manual

47 48
TUBE 751901 SCH 1 of 3
11
1.2V
4
4
J27:9
J27:3
FROM AUDIO
4
J27:2
TO AUDIO PCB
475k
R1
0V
90V
LEFT MAIN AMP
GND
49.9K
R2
86V
12AX7A
8
6
7
V5:2
56.2K
R7
221k
R4
L O UT
4.75k
R5
12AX7A
3
2
1
V5:1
.22µF
C1
J1:10
J1:4
190V 190V
18V2
-18V2
1k
R3
22µF
C2
12AT7
3
2
1
V6:1
-18V2
R
4
3
DS4:1
R
4
3
DS5:1
R
4
3
DS6:1
G
5
2
DS4:2
G
5
2
DS5:2
G
5
2
DS6:2
B
6
1
DS4:3
B
6
1
DS5:3
B
6
1
DS6:3
18V2
15k
R9
4.75k
R11
J1:9
J1:12
J1:1
J1:2
J1:11
J27:12
J27:10
J27:11
J27:4
J27:1
J1:3
GND
GND
GND
1.2V
475k
R10
0V
90V
49.9K
R12
86V
56.2K
R17
221k
R14
4.75k
R15
.22µF
C3
190V
190V
1k
R13
22µF
C4
12AT7
8
6
7
V6:2
-18V2
R OUT
MAIN IN L
MAIN IN R
RIGHT MAIN AMP
22pF
C5
22pF
C6
RED
GREEN
V4:3
V5:3
V6:3
4
J27:7
J27:8
GND
J1:6
J1:7
J1:5
J27:5
J27:6
J1:8
GND
GND
GND
12AX7A
5
9
4
V4:3
12AX7A
5
9
4
V5:3
12AT7
5
9
4
V6:3
4
4
4
4
4
4

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®)