McIntosh MC58 owner manual Specifications Specifications

Specifications

Specifications

Power Output Per Channel	Power Requirements
50 watts into 4 ohm load and 30 watts into 8 ohm load is	100 Volts, 50/60Hz at 5.4 amps
the minimum sine wave continuous average power output	110 Volts, 50/60Hz at 4.9 amps
per channel, all channels operating.	120 Volts, 50/60Hz at 4.7 amps
	220 Volts, 50/60Hz at 3.1 amps
Power Output Bridged	230 Volts, 50/60Hz at 3.1 amps
100 watts into 8 ohm load is the minimum sine wave con-	240 Volts, 50/60Hz at 3.1 amps
tinuous average power output per channel, all channels op-
erating.	Note: Refer to the rear panel of the MC58 for the correct
	voltage.

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: 0.005% for 4 ohm loads

0.005% for 8 ohm loads

0.005% for Bridged Mode with 8 ohm loads

Dynamic Headroom 1.8dB

Frequency Response

+0, -0.25dB from 20Hz to 20,000Hz +0, -3.0dB from 10Hz to 100,000Hz

Sensitivity

1 volt (2.5V at level control center detent position)

A-Weighted Signal To Noise Ratio 92dB (112dB below rated output)

Wideband Damping Factor 100 @ 4 ohms

200 @ 8 ohms

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 all channels operating is:

0.005% for 4 ohm loads

0.005% for 8 ohm loads

0.005% for Bridged Mode with 8 ohm loads

Input Impedance 20,000 ohms

Dimensions

Front Panel: 17-1/2 inches (44.5cm) wide, 7-1/16 inches (17.9cm) high. Depth behind front mounting panel is 20 inches (50.8cm) including clearance for connectors. Panel clearance required in front of mounting panel is 3/4 inches (1.9cm).

Weight

40 pounds (18.1Kg) net, 58 pounds (28.3Kg) in shipping carton

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