Mcintosh MC2500 Solid State Amplifier - Rare Black Finish!

$6,999

The cleanest MC2500 we've ever seen - period!

We received two units from a local audiophile a while back that were were so clean and tidy we decided to keep one for our in-house "Holy Grail" collection.

Well this is the one we kept and it's now time to let it go and make room for more unique and rare items.

Most of these units we've come across are usually pretty beat up - partly because of their weight (hard to move around without banging into things), and because they were often used in bands and pro audio applications requiring a super powerful yet reliable amplifier.

The faceplate is super clean and the meters are bright, clear, and responsive. The controls are all smooth and silky after our work was completed.

This MC2500 was bench tested to its full rated power capabilities using our custom test load equipment. It easily and effortlessly passed with flying colors all around.

We then cleaned all the controls, changed whatever bulbs looked tired, and boxed it back up in its original McIntosh packaging.

The chassis shows a few scuff marks around the metal rails, but the top cover schematics are in beautiful shape (and so cool).

Click below to add our recommended matching cables from Kimber Kable, all brand new as SkyFi is an official Kimber dealer.

Kimber Kable - RCA Interconnects

Kimber Kable - Speaker Cables

Kimber Kable - Bi-Wire Speaker Cables

Please see our last photo for full technical specifications or this linked manual:

Mcintosh MC2500 Solid State Amplifier - Owner's Manual

Note that this special amplifier will need to ship freight because of its weight and to ensure safe transport. Freight flat-rate to the lower 48 US States with insurance is $400. Local pickup is available too.

You'll also want to enlist the help of 2-3 friends to help carefully unbox this 130 lb amplifier and place it in your room or system furniture. 

The SkyFi Testing Process for Amplifiers (Solid State):
We start with a visual inspection of all internal components to make sure there are no signs of stress or aging. Capacitors are checked for telltale sings of bulging or leaking, resistors are checked for signs of overheating or cracking, and transistors are checked for signs of stress or damage.

We then power up the unit carefully and run a simple 1k sine wave while monitoring the output on an oscilloscope for signs of distortion or noise. Finally, we run the amplifier to its full rated power into the appropriate resistive load provided by our Sencore amplifier tester. If there is an issue, it will usually be noticeable at this point. If everything reads clean, we will often test for THD (Total Harmonic Distortion) measured by our Keithley distortion meter, and compare it against the original manufacturers specifications. The amplifier then remains powered on to "burn in" on our test bench for a few hours to make sure there are no heat related issues. If there are balanced inputs available they will be also be tested.

Final testing involves pushing actual music thorough the amplifier. We've learned over time that some issues are only noticeable to a trained ear while listening to familiar source material. Our test bench has reference vintage Kef speakers that we're very familiar with which quickly reveal any discrepancies. Some amplifiers will then move into our listening room where they are tested with our in-house reference speakers of choice.

Technical Specifications
500 WPC stereo
1000 W mono

Frequency Response:
20 Hz - 20 kHz
(+0 -0.25 dB)

Distortion:
0.02%

Noise and Hum:
-95 dB

Output Impedance:
1, 2, 4, and 8 ohms
0.5, 1, 2, 4, 8 and 16 ohms in mono

Damping Factor:
30 or greater

Input Impedance:
50k

Input Sensitivity:
0.75 v or 2.5 v

McIntosh Included Patented Features:
Sentry Monitor
Power Guard
Autoformers

Produced and Sold:
1980 - 1990

Dimensions:
Standard 19" rack mounting width
10-1/2" H
17" D

Weight:
129 lbs (144 lbs in shipping carton)

Item

Included

Original Box

Yes

Manual

Yes and Online

Remote

Not Applicable

Cables

Yes - Power

Physical Condition

7

Working Condition

10

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