Where does this leave us? Well, it leaves us on slightly less firm ground when it comes to judging the original sound. There is an out here,…

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The Soul in the Machine
Setup was short and sweet. I plunked the M2.1s down on shot-filled Grand Prix Audio Monaco amplifier stands and plugged them in with Acoustic Zen Gargantua…
Description: Monoblock power amplifier with a solid-state input stage, tube driver stage, and MOSFET output stage; switch-selectable output-stage biasing to maintain optimal performance into loads between 1 and 16 ohms; and remote-control power on/off. Tube complement: one 6922/6DJ8. Rated output power: 200W minimum into 8 ohms (23dBW), High impedance setting, continuous sinewave drive, 20Hz-20kHz, with 0.3% THD at rated line voltage, (36W in class-A); 200W into 4 ohms (20dBW), same conditions (36W in class-A); 400W into 2 ohms (20dBW), Low impedance setting,…
Analog sources: SOTA Cosmos, Clearaudio Champion Level 2 turntables; Graham 2.2, Clearaudio Unify tonearms; Dynavector XV-1, XV-1S, Benz L2, Grado Statement Reference phono cartridges.
Digital sources: Classé Omega CD/SACD and Ayre D-X1 CD/DVD players.
Preamplification: Manley Steelhead, Boulder 2080 phono stages; Jeff Rowland Design Group Synergy IIi, Ayre K-1x line stages.
Power amplifiers: Halcro dm58 monoblocks.
Loudspeakers: Calix Phoenix Grand Signature, EgglestonWorks Andra II.
Cables: Interconnect: Acoustic Zen Silver Reference,…
Before I performed any measurements, I ran the Lamm M2.1 monoblock at one-third power into 8 ohms for an hour, with its output stage set to its High impedance parameters. Although the amplifier runs hot, I could keep my hands on the heatsinks at the end of that period, which implies a temperature below 60 degrees C. As an amplifier with a class-A output stage runs hottest when it isn't under load and coolest at maximum power, the Lamm's output MOSFETs do appear to have a significant level of class-A operation—36W into 8 ohms, according to the specification.
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Editor: We are very pleased with Stereophile's M2.1 review and would like to thank Paul Bolin not only for approaching this product with seriousness and insight, but for expressing the essence of the design and his listening experience so eloquently. Perhaps, the most important aspect he brings up is the "intangibles—those qualities you can't quantify or analyze but can't help but recognize when you're in their presence." In the design of high-end audio equipment, each step that advances us closer to the essence of music is increasingly expensive in realization but is…
When I reviewed it back in April 2003, I found the Lamm M2.1 hybrid monoblock amplifier to be one of the most thoroughly convincing and lifelike components I had ever heard. Just last month, I concluded that its revised, less powerful sibling, the M1.2 Reference, just might be the finest overall amplifier to be heard anywhere. Though the owner's manual doesn't go into details, I believe it safe to assume that the revisions embodied in the M2.2 are similar in extent to those that resulted in the M1.2. Which inevitably led me to…
---Edward R. Murrow.
Steve Guttenberg---Con
Steve Guttenberg has been a projectionist for 21 years, working in movie theaters and (from 1984 to 88) at WPIX-TV in New York City. He has 15 years' high-end retail experience at Sound by Singer, also in New York, and since 1988 has served as a producer for Chesky Records.
The high-end community is a tiny, fragile island---albeit an influential one---in the vast consumer electronics/entertainment world. This island was left mostly undisturbed by the larger…