Vintage AmplifierCollectors archive

McIntosh MC2155 Power Amplifier

McIntosh First posted March 2014

Archived listing from the original vintage-amplifier.com. Prices, seller details and purchase links have been removed; this page is a reference record, and nothing here is for sale. About this archive.

McIntosh, MC2155 Power Amp
McIntosh, MC2155 Power Amp
From the original site

A super MINT McIntosh MC2155 power amplifier. It’s just like NEW!!! Always been kept like a baby. Fully serviced and flawlessly working. 150W RMS at 8 Ohms. 300W bridged to Mono. Capability to drive speakers at 2 Ohms. Incredible unit.

Fully tested by my father, which has more than 30 years of experience in vintage electronics.

Added in 2026

About this model

The MC2155 is a solid-state McIntosh power amplifier, made from 1981 to 1987 according to the company's legacy list, and rated at 150 watts per channel in stereo or 300 watts bridged to mono. The seller's figures match: 150 W RMS into 8 ohms, 300 W bridged, and the ability to drive loads down to 2 ohms. This unit was described as fully serviced and in near-mint condition.

An earlier McIntosh solid-state power amplifier, the MC2100, is also in the archive, and the newest McIntosh on file is the MX120 surround processor.

At a glance
MakerMcIntosh Laboratory, Binghamton, USA
ModelMC2155
TypeSolid-state stereo power amplifier
Production1981–1987
Rated output150 W × 2; 300 W bridged mono

Questions collectors ask

When was the McIntosh MC2155 made?

From 1981 to 1987, according to McIntosh's legacy product list.

Is the MC2155 a tube amplifier?

No, it is solid state. McIntosh's tube amplifiers of the same family include the MC240 and MC275 of the 1960s.

Sources: McIntosh legacy amplifiers.

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