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McIntosh MC275 User Manual

Page 14

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14

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
1.2 Volt unbalanced inputs
2.5 Volt 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