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

Showing 1 response by golfnutz

"Using a mono module per channel is exactly the same thing as using one channel of a stereo module.....no difference. I know, I did both....same sound. My amps were dual mono using mono IceEdge".

Happy to say, for once I agree with Ric.

I too had dual mono 1200AS2 modules. Using two modules (1 channel from each) was exactly the same as using both channels from a single module. I know Mike from Mivera also had the same conclusion.

And here’s the dumb thing about the Legacy Audio offering. If you have 8 ohm speakers, they both state 610 watts for the regular vs ultra series. Rather than using the 1200AS1 (slightly cheaper), it’s obvious they’re buying the 1200AS2 in bulk to simplify things and get better pricing. IMO, their total cost on the 8 channel (4 modules) is probably < $1800 all in, and their selling them for $8k - ouch!

It would be interesting to see what they charge for servicing. These modules are built as disposable in the event of a failure. Basically, fixing these amps are a fixed cost to Legacy since they would just replace the entire module.