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McIntosh MC-502 stereo power amplifier in excellent condition. Features the McIntosh Power Guard circuit designed to prevent speaker damage. Rated at 50 watts RMS per channel into 8 ohms, or 75 watts per channel into 2.7 to 4.0 ohms. Switchable bridging for 150 watts mono into 8 ohms. It has been serviced. Our original Performance Verification Report included as well as a copy of the owner's manual.
The MC-502 was manufactured from 1978 - 1986 with a final retail price of $1200.00.
From McIntosh:
When you need high power at very low distortion in a small, compact light weight, reliable power amplifier then you need the McIntosh MC 502 .
The McIntosh MC 502 power amplifier is probably the most compact source of very low distortion stereophonic power in existence. It is truly unique. More than any other amplifier it provides very low distortion stereo power, more sophisticated yet practical protection, and more bandwidth in a amazingly small yet reliable package. For example; the MC 502 weighs only 27 pounds yet it can deliver 75 watts per channel into 2.7 to 4 ohms loudspeakers, sine wave, continuous average power at less than 0.02% distortion, harmonic or intermodulation from 20 Hz to 20 kHz.
There are three protection circuits which contribute to the reliability, long life, and excellent performance of the MC 502. The first control circuit is the Sentry Monitor which senses and confines current and voltage conditions to the safe operating characteristics of the output stage power transistors. Power Guard is the second control circuit, and eliminates amplifier output clipping. Amplifiers are capable of delivering large quantities of power when they are driven to clipping. Clipping is caused when the amplifier is asked to produce more power output than it can deliver with low distortion. A clipped amplifier can have more than 40% harmonic distortion. The extra energy content of the clipped signal will damage most loudspeakers. This new McIntosh advancement helps protect your speakers from this kind of damage. Power Guard does not limit the dynamic range or the power output of the power amplifier. The third control circuit is the speaker protection and turn on delay arrangement.
The Sentry Monitor, Power Guard, and speaker protector circuits were developed by McIntosh engineers and are each covered by U.S. patents assigned to McIntosh Laboratory. The cubical content of the amplifier chassis is less than 513 cubic inches and yet at full continuous sine wave output the entire structure is cool, a really effective example of thermal engineering. It is this kind of thermal transfer designing that makes possible the fabulous reliability of McIntosh engineering talent and achievement.
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Controls:
Left Gainclassicaudio.com
Right/Mono Gainclassicaudio.com
Speakers On/Off
Power On/Offlassicaudio.comIndicators:
Output Mode Left Channel: Normal/Limit
Output Mode Right Channel: Normal/Limit
Rear Panel:
Left Channel Output
Right Channel Output
Accessory AC Outlet Unswitched
Mode: Stereo/Mono
Input Sensitivity: 0.75V/2.5Vassicaudio.com
Input (L, R)
Shipping Weight: 35 Pounds
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$1300.00
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ClassicAudio.com
Phone 916-488-6016 or
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Buyer to pay item purchase price plus shipping charges from 95609.
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This item includes our 60 day / 2 year limited warranty!
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