Vintage AmplifierCollectors archive

Mark Levinson No. 331 Amplifier

Mark Levinson First posted December 2012

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.

Mark Levinson, No.331, Amplifier
Mark Levinson, No.331, Amplifier
From the original site

Mark Levinson No.331 Amplifier – 1 owner – with Manual. This amplifier is in perfect working order and was used lightly.

Besides some minor cosmetic flaws (see photos), this unit is in excellent condition.

Comes with original manual and power cord.

Added in 2026

About this model

The No. 331 is a solid-state stereo power amplifier rated at 100 watts per channel. Stereophile describes it as part of the family that followed the No. 20 series: the No. 33 Reference monoblocks and their dual-mono derivatives, the Nos. 331, 332 and 333. Stereophile also covered the later No. 331.5 update.

This one-owner example came with its manual and power cord.

The archive's Mark Levinson preamplifier is the No. 28, and the company page covers the 1984 bankruptcy and the Madrigal years.

At a glance
MakerMark Levinson (Madrigal / Harman), USA
ModelNo. 331
TypeSolid-state stereo power amplifier
Rated output100 W per channel
ReviewedStereophile

Questions collectors ask

How powerful is the Mark Levinson No. 331?

100 watts per channel, according to Stereophile.

Is the No. 331 a tube amplifier?

No. It is a solid-state design.

Sources: Stereophile: Mark Levinson No.331.

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