Amazing amplifier in perfect condition. I’m the original owner, and I purchased the amplifier about 2 years ago. I purchased it at ‘The Source AV Design Group’ – a McIntosh Platinum Dealer - it was an in-store demo. I’m switching to an all tube system – this is the last of my solid state stuff. This has always been used with high efficiency speakers, so hasn’t worked hard in my possession. From a smoke-free and child free home.
All lights work perfectly and the glass is flawless. Original power cord included. I do NOT have the original box (never thought I'd sell it, but that's how this hobby goes), so local pick-up in Los Angeles is preferred. I’m happy to have the unit professionally packaged and shipped, but I’m putting in a pretty high shipping cost as this will take a lot of effort. Boxed it weighs about 110 pounds and is very fragile – so shipping is always rather expensive for these massive amplifiers.
Again, I’m willing to make the best deal for local pickup in Los Angeles. Shipping will likely be $200 within the US and $300 in Canada.
From McIntosh Labs Website: The shallow depth of the MC252 makes it a snap to install in popular standard size cabinets or shelving. With 250 watts per channel at 0.005% maximum distortion across the entire audio spectrum, the MC252 delivers lots of clean power. The two channels of the MC252 can also be combined into a single high-power channel that delivers 500 watts into 1, 2, 4, 8 or 16 Ohms.
McIntosh’s exclusive Output Autoformers® ensure that the amplifier will always deliver full power, without stress, to any type of loudspeaker. Whether your speakers are 2, 4, or 8 Ohms, McIntosh autoformers ensure that you’ll always get all of the power you paid for. The MC252 incorporates Power Guard®, a patented circuit design exclusive to McIntosh. Power Guard monitors output power and prevents clipping dynamically using photo-optic circuits. Protection at the speed of light. RMS POWER OUTPUT 250W min. (stereo) or 500W min. (mono and biamp parallel) sine wave continuous average power output from 20Hz to 20kHz.
RATED POWER BAND 20Hz to 20kHz
TOTAL HARMONIC DISTORTION Maximum Total Harmonic Distortion at any power level from 250 milliwatts to rated power output is 0.005%.
DYNAMIC HEADROOM 2.0dB
FREQUENCY RESPONSE 20Hz to 20kHz, +0 / -0.25dB 10Hz to 100kHz, +0 / -3dB
INPUT SENSITIVITY 1.6V unbalanced 3.2V balanced
A-WEIGHTED SIGNAL-TO-NOISE RATIO 112dB below rated output
INTERMODULATION DISTORTION Maximum Intermodulation Distortion if instantaneous peak output per channel does not exceed twice the rated output, for any combination of frequencies from 20Hz to 20,000Hz, with all channels operating is 0.005%.
OUTPUT LOAD IMPEDANCE Terminals for 2, 4, or 8 Ohms (stereo) Terminals for 4, 8, or 16 Ohms (mono) Terminals for 1, 2, or 4 Ohms (bi-amp parallel) IDE BAND DAMPING FACTOR Greater than 40
POWER GUARD Clipping is prevented and THD does not exceed 2% with up to 14dB overdrive at 1kHz.
POWER REQUIREMENTS 120V, 50/60Hz, 6.6A
OVERALL DIMENSIONS (H x W x D including feet and knobs) 9-7/16” (23.97cm) x 17-1/2” (44.45cm) x 14-13/16” (37.62cm)
WEIGHT 94-1/2 lbs. (42.87kg) net 108-1/2 lbs. (49.22kg) boxed EXCLUSIVE MCINTOSH POWER ASSURANCE SYSTEM A collection of technologies that enhance performance and reliability while protecting the amplifier and loudspeakers. POWER GUARD® A waveform comparison circuit continuously monitors both input and output signals. Power Guard dynamically adjusts the input level to avoid clipping while preventing harsh sounding distortion. SENTRY MONITOR® Fuse-less short-circuit protection circuit disengages the output stage before current exceeds safe operating level – resets automatically. OUTPUT AUTOFORMER® Unique McIntosh technology delivers the full rated amplifier output with the least possible distortion into loudspeaker impedances of 2, 4, or 8 Ohms; you get all the power you paid for and the freedom to choose any loudspeaker. WATTMETER Swift, accurate response reveals program peaks so staying within the power limits of your loudspeakers is easy. MONO OPERATION The two 250 watt channels may be combined into a single channel of 500 watts. McIntosh exclusive output autoformers allow this 500 watts to be delivered into 1, 2, 4, 8, or 16 Ohm speakers.
Again - I do NOT have the original box. Will ship with original power cord and manual.
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