Class D is just Dandy!

dutch12
I recently purchased a used Belles 150A V2 I never thought class D could sound like this after all the negatives I’ve heard...they just haven’t heard the “right” class D equipment I guess.

Sorry to burst your bubble there Dutch old mate. But the Belles 150A V2 is a 150w Class-A/B linear amp, nothing to do with Class-D. https://ibb.co/yn8f6FJ

https://www.stereophile.com/axpona2010/advanced_transduction_belles/index.html

http://www.soundstagenetwork.com/noisy13.htm

And your right the  Belles 150A have a great sonic reputation, probably better than most Class-D, except for maybe the Technics SE-R1.
Stick with it you’ll be happy for a long while, till Class-D rids itself of it’s Achilles Heel. Like what Technics did to combat it with SE-R1, but yet to remain affordable as well, instead of being $20K.

Cheers George

+1 Exactly.


If you want to look at another very respected amplifier design that has a residual waveform imposed on the output signal, look no further than the Berning amplifiers. These amps are excellent; they are liked by everyone who hears them. They employ a switching power supply at their output which is modulated (loaded) by the operation of the power tubes. The switching supply thus has the audio signal imposed on its output. The switching frequency is then filtered out, leaving the audio signal to drive the loudspeaker.


If this sounds familiar to those versed in class D amplifier concepts, it should because its a very similar idea!

So how is it that such a respected amplifier as heard by all comers gets a Murphy while class D does not? They both have a residual. The conclusion can only be that the residual is not harmful in either case. 

+1 atmosphere
     Another prime example of the universal principle that
 georgehifi happens. 

      Due to the vast amounts of prior fecal matter georgehifi has dropped on this Audiogon Forum over the years, an elite group of the world's best scientists currently believe after completing their thorough analysis of this over abundance of raw data, that this principle can be relied upon to such an exceptionally high degree without a single exception that this Principle merits upgrading to a Law, pending peer review.

Tim

I just replaced a Schiit Vidar with a Parasound Zonemaster 2305 and find it a great addition to my system (and I really like the Vidar!).

I can’t speak to the technology points being raised however for myself Class D gives me a level of performance that I could never afford in a Class A, A/B amp.

Interesting.  I would only offer the following on that.  The Vidar measures better in many of the specs like crosstalk and frequency range.  It also costs about half of the Parasound 2350(I don't think there is a 2305, you must mean the 2350).  

I suspect the reason you like it over the Vidar is because it is giving you 3 x the wpc.  You could get 400 wpc if you had 2 Vidars, and ran them in mono, for roughly the same cost as the 2350.  Different strokes for different folks...