McIntosh C2500 Service Manual

43
44
5
BALANCED I/O
751117 SCH
4
2
3
1
S
-
+
G
J3
4
2
3
1
S
-
+
G
J4
BALANCED
4
2
3
1
S
-
+
G
J5
4
2
3
1
S
-
+
G
J6
INPUT
1
1
LEFT
RIGHT
2
2
J2:1
4
1 LEFT +
1 LEFT-
1 RIGHT+
1 RIGHT-
2 LEFT+
2 LEFT-
2 RIGHT+
2 RIGHT-
2
3
1
-
+
C
J10
2
3
1
-
+
C
J9
2
3
1
-
+
C
J7
2
3
1
-
+
C
J8
1
2
LEFT
1
2
RIGHT
OUTPUT
4
J11:1
1 LEFT +
1 LEFT -
1 RIGHT +
1 RIGHT -
2 LEFT +
2 LEFT -
2 RIGHT +
2 RIGHT -
BALANCED
D1 D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15 D16
J2:1
J2:2
J2:5
J2:6
J2:13
J2:14
J2:17
J2:18
J1:1
J1:2
J1:5
J1:6
J1:13
J1:14
J1:17
J1:18
4
4
4
4
4
4
4
AUDIO
TO
J2:2
J2:5
J2:6
J2:13
J2:14
J2:17
J2:18
J11:2
J11:5
J11:6
J11:13
J11:14
J11:17
J11:18
4
4
4
4
4
4
4
AUDIO
TO

McIntosh C2500 Specifications

General

Total Harmonic Distortion	0.08%
Signal to Noise Ratio	100dB
Rated Output Voltage	2.5V unbalanced, 5V balanced
Maximum Output Voltage	8V unbalanced, 16V balanced
High Level Voltage Gain	15dB
Type	Vacuum Tube Preamplifier
Inputs	6 unbalanced, 2 balanced, 1 phono MC, 1 phono MM
Outputs	3 unbalanced, 2 balanced
Weight	29 lbs (13.2 kg)
Input Impedance	47k ohms
Phono Voltage Gain	40dB (MM), 60dB (MC)
Frequency Response	+0, -0.5dB from 20Hz to 20, 000Hz +0, -3dB from 10Hz to 100, 000Hz