McIntosh C2600 Service Manual

C2600
C2600
TUBE PREAMPLIFIER
SERVICE MANUAL
SERIAL NO. AEV1001 And Above
Performance Specifications ..........................................2
Notes ...........................................................................2
Rear Panel ...................................................................3
Section Location ..........................................................4
Block Diagram .......................................................5 - 6
Interconnection Diagram ........................................7 - 8
Control Schematic and PCB ..................................9 - 18
Digital Schematic and PCB .................................19 - 26
Audio Schematic and PCB ..................................27 - 40
Dsply/L&R Pshbtns/Hdphn/L&R Mtr Schematic and PCB . 41 - 46
Tube ...................................................................47 - 54
Output ................................................................55 - 58
Parts List .............................................................61 - 76
Repacking Instruction ................................................77
CONTENTS
C 2600 TUBE PREAMPLIFIER
HEADPHONES
INPUT
VOLUME
STANDBY ON
/
RESET
+ 3
0
-10
-60
OUTPUT LEVEL IN dB
-50
-40
-30
-20
+ 3
0
-10
-60
OUTPUT LEVEL IN dB
-50
-40
-30
-20
+ 3
0
-10
-60
OUTPUT LEVEL IN dB
-50
-40
-30
-20
+ 3
0
-10
-60
OUTPUT LEVEL IN dB
-50
-40
-30
-20
INPUT: USB
25% DSD 128
PUSH - TRIM
HOLD - SETUP
TRIM / SETUP
ADJUST
OUTPUT
MUTE
12
TONE

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®)