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Class D amps that are superior to all or most?

Recently, I have heard about some Class D amps that may be close to the best there is regardless of class. Certainly, this technology has been in development for decades. The main issue has always been the switching power supply. In this regard, I have taken notice of AGD. They have created a whole new power supply that “switches” at a frequency 100 times the normal silicon based MOSFET. The designer uses a gallium nitride based PS. Interesting, it is enclosed in the KT88 glass envelope that sits on top of his amps. I am aware of two more pricey amps that seem to be also at the top- the Solution and the Merrill. There must be others that compete for the title. After my thread, “Is there a SS amp that can satisfy a SET guy?”, I am still on the quest.
Don’t want to spend $50K!
mglik
kuribo
524 posts
 

That’s your opinion vs technologies opinion.
The purest form of amplification if "done right" without any other flaws (except for heat) is Class-A, be it in opamps, tubes, or any solid state.

LOL, um, no, there is no "flawless" amplification class. Show me a class a amp that can match the purifi spec for spec, watt for watt.
stringreen's avatar
stringreen
6,483 posts
 
Go to Dagogo.com and look up Legacy Audio 1.V4.   A good review of the best over all.
georgehifi's avatar
georgehifi
10,312 posts
 
there is no "flawless" amplification class

I didn't say flawless, I said the "closest" to "being technically perfect", which is still but a dream within a dream.
And amps aren't designed using maths, EE laws and test instruments, and then fine tuned using the same, anyone that doesn't do this, I suggest you stay well away those voodooists and snake oilers.

Cheers George
kuribo
524 posts
 
I didn't say flawless


Really?

The purest form of amplification if "done right" without any other flaws (except for heat) is Class-A

georgehifi's avatar
georgehifi
10,312 posts
 

kuribo
Really.

Really! then look again, and give your      a rest.
"most" being the operative word
Good Class-A IS the most perfect amplification so far
and this again "closest" is the operative word
they are the closest to being the perfect topology so far

Cheers George
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