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OFF - FOR SALE: McIntosh MC452 Power Amplifier
This is Brand new never opened box Cost $7500 pretax. Here is the chance to save taxes and purchase McItosh's largest, most powerful stereo amplifier.
The McIntosh Laboratory MC452 is rated to deliver 450Wpc into 8, 4, or 2 ohms with no more than 0.005% distortion, regardless of power output level. It also is capable, according to McIntosh, of 1.8dB of dynamic headroom. The big blue meters -- a McIntosh hallmark -- that adorn the front of the MC452 indicate a peak power output capability of 1.8kWpc. McIntosh claims a peak output current rating of 75 amps. Although McIntosh makes more powerful amplifiers of the monoblock variety, the MC452 is currently their largest, most powerful stereo model. And large it is: 17.5"W x 9.5"H x 22"D and weighing 110 pounds. Another notable spec is the signal/noise ratio: an impressive 122dB through its balanced inputs, just below rated output power. That's dead quiet, folks; in use, the MC452 had one of the lowest noise floors of any amp I've heard in my system.
The technology used to generate such impressive specifications is wide ranging. First, the MC452 is what McIntosh refers to as Quad Balanced. This means that each channel consists of two matched amplifiers operating in push-pull, their outputs combined in the McIntosh Autoformer. The Autoformer is a type of transformer -- wound at McIntosh Labs -- that ensures that the MC452 is always working into an optimum load. This feature gives the MC452 the ability to shrug off the worst a loudspeaker can do to it with low or widely varying impedances, and means that you, the user, will always enjoy knowing that the amplifier is operating in ideal electrical and thermal conditions. McIntosh says that because the Autoformer is of wider bandwidth than the circuits within the amplifier, it can in no way limit the MC452's performance.
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All accessories box and Manual