McIntosh C2500 User Manual

29
Specifications
Specifications
Frequency Response
+0, -0.5dB from 20Hz to 20,000Hz
+0, -3dB from 10Hz to 100,000Hz
Total Harmonic Distortion
0.08% from 20Hz to 20,000Hz
Rated Output (Main)
2.5V Unbalanced, 5V Balanced
Maximum Output
8V RMS Unbalanced, 16V RMS Balanced
Sensitivity (for rated output)
High Level, 450mV unbalanced, 900mV balanced
Phono MM, 4.5mV
Phono MC, 0.45mV
Signal To Noise Ratio (A-Weighted)
High Level, 100dB below rated output
Phono MM, 75dB below 5mV input
Phono MC, 75dB below 0.5mV input
Input Impedance
High Level, 22K ohms unbalanced, 44k ohms bal-
anced
Phono MM, 47K ohms; 50 to 750pF, in 50pF steps
Phono MC, 25, 50, 100, 200, 400 or 1,000 ohms;
100pF
Maximum Input Signal
High Level, 8V Unbalanced, 16V Balanced
Phono MM, 80mV
Phono MC, 8mV
Tone Controls
Voltage Gain
High Level to Record Output: 0dB
High Level to Main Output: 15dB
Phono MM to Record Output: 40dB
Phono MC to Record Output: 60dB
Output Impedance
220 ohms
Headphone Impedance
20 ohms to 600 ohms
Digital Input Sample Rates
Optical: 16Bit, 24Bit - 32kHz to 96kHz
Coaxial: 16Bit, 24Bit - 32kHz to 96kHz
USB: 16Bit, 24Bit, 32Bit - 32kHz to 192kHz
Power Control and Trigger Output
12VDC, 25mA
20 20k50 100 200 500 1k 2k 5k 10k
0
+6
-6
+12
-12
dB
Hz
C2500 Bass and Treble Control Curves

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