McIntosh MC275 owner manual Specifications Specifications

Specifications

Specifications

Power Output Stereo

Minimum sine wave continuous average power output per channel, both channels operating is:

75 watts into 4, 8 or 16 ohm load

Power Output Mono (Parallel)

Minimum sine wave continuous average power output is: 150 watts into 2 ohm, 4 ohm or 8 ohm load

Output Load Impedance

4, 8, or 16 ohm (Stereo Mode) 2, 4, or 8 ohm (Mono Mode)

Rated Power Band

20Hz to 20,000Hz

Total Harmonic Distortion

Maximum Total Harmonic Distortion at any power level from 250 milliwatts to rated power output is 0.5%

Intermodulation Distortion

Maximum Intermodulation Distortion if instanta- neous peak output per channel does not exceed twice the rated output, for any combination of fre- quencies from 20Hz to 20,000Hz, with both chan- nels operating is 0.5%

A-Weighted Signal To Noise Ratio 100dB

Frequency Response

+0, -0.5dB from 20Hz to 20,000Hz +0, -3dB from 10Hz to 70,000Hz

Sensitivity

1.2Volt unbalanced inputs

2.5Volt balanced inputs

Wide Band Damping Factor

Greater than 14

Tube Compliment

3 - 12AX7A Inputs and Phase Inverters

4 - 12AT7 Voltage Amplifier and Drivers

4 - KT88/6550 Power Output

Power Requirements

100 Volts, 50/60Hz at 3.6 amps

110 Volts, 50/60Hz at 3.6 amps

120 Volts, 50/60Hz at 3.6 amps

220 Volts, 50/60Hz at 1.8 amps

230 Volts, 50/60Hz at 1.8 amps

240 Volts, 50/60Hz at 1.8 amps

Note: Refer to the right side panel of the MC275 for the correct voltage.

Overall Dimensions

Width is 16-1/2 inches (41.91cm)

Height is 8-1/4 inches (20.96cm) including feet Depth is 12 inches (30.48cm)

Weight

67 pounds (30.5kg) net, 75 pounds (34.lkg) in shipping car- ton

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