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

MC58 specifications

The McIntosh MC58 is a high-performance amplifier that represents the pinnacle of modern audio technology, designed to deliver the ultimate listening experience. This powerful amplifier is part of McIntosh's esteemed lineup, known for exceptional sound quality and robust engineering.

One of the standout features of the MC58 is its impressive power output, delivering 150 watts per channel into 8 ohms. This allows it to drive a wide range of speakers, from bookshelf models to large floor-standing designs, with ease. The amplifier's architecture utilizes McIntosh’s patented Unity Coupled Circuit, which ensures that the sound remains crystal clear, even at higher volumes. This technology minimizes distortion and offers a dynamic range that brings music to life.

The MC58 also boasts advanced thermal management capabilities. It is equipped with McIntosh's Power Guard technology, which prevents clipping and distortion by monitoring the output signal and adjusting the amplifier’s performance to maintain integrity. Additionally, the amplifier features a glass front panel and signature blue watt meters, which not only provide visual aesthetics but also enable users to monitor performance in real-time.

Connectivity is a crucial aspect of the MC58, offering a variety of input options, including balanced XLR and unbalanced RCA connections. This versatility ensures compatibility with different audio sources, making it an ideal choice for home audio setups. The amplifier also includes a remote control capability, allowing users to adjust settings from a distance.

Moreover, the MC58 is constructed with a robust chassis designed to minimize interference and enhance durability. The high-quality components used in its construction ensure longevity and reliability, making it a worthy investment for audiophiles and music enthusiasts alike.

In summary, the McIntosh MC58 amplifier stands out for its robust power output, advanced protection technologies, versatile connectivity options, and superb build quality. Whether you are listening to your favorite tracks or enjoying movie soundtracks, the MC58 promises to deliver an audio experience that is nothing short of extraordinary. With its blend of performance, aesthetics, and technology, this amplifier is sure to satisfy even the most discerning audio enthusiasts.