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Anyone ever hear this? It's suppose to be a good sounding amp. Seen a couple pop up for sale of late. It looks pretty impressive from a build quality standpoint. Stereophile actually give it a good review.
Have not yet heard a class d amp I really liked, but this could be different. 500 WPC is nothing to sneeze at.
I don't think Yamaha made any money with it, but they do that with their statement pieces from time to time.
"What this country needs is a good 5 watt amplifier!" (Paul Klipsch)
Follow Ups:
I read the technical design paper, and sure enough, the amp monitors output current, which in turn determines the max output voltage. It also maintains a high damping factor throughout the impedance load.
"What this country needs is a good 5 watt amplifier!" (Paul Klipsch)
After listening to this for a few days, my initial impression is that the MX-D1 is one of the finest sounding solid state amps I've ever had the pleasure to audition. You would never peg the sound coming from it as anything but incredibly musical, and certainly not typical Class D.
The sound from the amp exhibits a natural presence that very few amps can match, with a warmth that I've never heard from any Class D amp to date. It is a real pleasure to hear the positive effects 500 watts can have on the music reproduction. There is also real depth to the sound stage (at least with my speakers). I also find the imaging to be quite good. Instruments seem to be presented with fairly precise location, and a symphony sounds very much like one hears at a symphony hall. The bass does not have the last bit of slam, but, it is ACCURATE. It sounds very much like what one hears live, where bass is felt as much as heard (no mid bass hump).
In summary, I can't understand how this amp didn't see more success. Yamaha got this one right, to be sure. I wonder if Yamaha were to introduce an updated audiophile Class D amp in today's market, would it see better success? I would think the market has changed since it was first released, and perhaps it would be better received in today's environment.
I'm very happy to get this amp, which will not be going anywhere anytime soon.
"What this country needs is a good 5 watt amplifier!" (Paul Klipsch)
In some ways it might sound similar to a tube amplifier because of its low damping factor. If you read the Stereophile test report, you will see that it delivers 530-watts into 8-ohm, 590-watts into 4-ohms, and 478-watts into 2-ohms. This power structure is similar to a tube amplifier with a low damping factor. Heavy duty solid-state amplifiers normally provide constant voltage into varying impedance thereby doubling their power each time the load impedance is halved. Since speaker impedance normally fluctuates significantly with frequency, hefty solid-state amplifiers will undoubtedly sound very different from tube amplifiers or, in this case, the Yamaha Class D amplifier. Consequently, if you prefer the sound of a tube power amplifier, it is possible you will like the sound of the Yamaha MX D1 more than a hefty solid-state amplifier like Krell.
Best regards,
John Elison
Interesting observation. I have read other observations that some class D amps do sound closer to tubes than one would expect. Most of the ones I’ve heard left me lacking, but supposedly Yamaha did an excellent job with the filtering and smoothing algorithms on this.
The Spec sheet on the amp states that the damping factor is pretty high, so I’m thinking the specs on the power has to do with the amps protection circuit, which would be different due to its class D architecture.
"What this country needs is a good 5 watt amplifier!" (Paul Klipsch)
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