The following excerpts are taken from the January 1996 issue of Stereophile magazine. Subscriptions (should you want more detailed information than we have space for here) can be ordered at:
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...Within a minute after hooking up the new Levinson amplifier to the Quads, any doubts I may have had about how the Nš 331 would fare were put to rest. These initial impressions did not change after hours of listening. The Nš 331 added new ingredients: greater transparency, greater depth of sound-stage, and total neutrality....
...Never have my Quads sounded better....
...The Nš 331's build quality is up to the highest standard found in high-end products today. This amplifier's sonics, superb parts quality, overkill power supply, reduced price compared with its predecessor, and five-year warranty offer its owners lots of value for the money, and bring a Class A recommendation from me.The Mark Levinson Nš 331 should be auditioned by anyone in the market for a topflight, solid state, 100Wpc stereo amplifier....
...This review of the Mark Levinson Nš 331 suggests that a superb 100Wpc stereo amplifier can be developed through careful refinements introduced over three product generations. The original Nš 27 had a sweet, smooth midrange and treble, but lacked bass slam. The Nš 27.5 added low frequency extension and dynamic range, but had a more forward midrange, less woofer control, and a shallower soundstage, I felt. The Nš 331 retains all the assets of earlier amplifiers, but with less aggressive midrange, deeper apparent soundstage, and much better woofer control....