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McIntosh C2500 Service Manual

McIntosh C2500
58 pages
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TUBE PREAMPLIFIER
C2500
13
14
2
DISPLAY
751456 SCH 3 OF 4
5V
5V
5V
12L
12L
12L
12R
12R
12R
5V
12L
12R
TO LEFT METER LIGHT
BLU
3
1
2
Q2
GRN
METER ILLUMINATION
2.21K
R71
1k
1 3
2
CCW
R74
500
1 3
2
CCW
R73
1k
1 3
2
CCW
R72
500
1 3
2
CCW
R75
J14:4
J15:4
J15:2
J14:7
J14:11
J14:1
J15:11
J15:7
J14:6
J14:12
J15:1
J14:9
J14:8
J15:12
J14:2
J14:5
12R
5V
5V
12R
J15:5
J15:6
J15:8
J15:9
5V
5V
TO RIGHT METER LIGHT
DRIVER
GRN
GRN
5V
5V
BLU
BLU
BLU
BLU
BLU
GRN
GRN
GRN
METER LEDs ON
12R
12R
12R
12R
12L
12L
12L
12L
12L
12L

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McIntosh C2500 Specifications

General IconGeneral
Total Harmonic Distortion0.08%
Signal to Noise Ratio100dB
Rated Output Voltage2.5V unbalanced, 5V balanced
Maximum Output Voltage8V unbalanced, 16V balanced
High Level Voltage Gain15dB
TypeVacuum Tube Preamplifier
Inputs6 unbalanced, 2 balanced, 1 phono MC, 1 phono MM
Outputs3 unbalanced, 2 balanced
Weight29 lbs (13.2 kg)
Input Impedance47k ohms
Phono Voltage Gain40dB (MM), 60dB (MC)
Frequency Response+0, -0.5dB from 20Hz to 20, 000Hz +0, -3dB from 10Hz to 100, 000Hz

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