Class D for a Tube Lover


First, I'm sure this has been asked many times but searching the subject wasn't too helpful to me.

So apologies in advance.

I enjoy tubed electronics and class A amps, which tend to be a bit warm.  My current Cary 805s warm my small (12x16) music room even in the cool/cold of winter.  I've got other amps that don't produce much heat, but am looking for something that produces no heat.  Living in a home with no central AC the room gets uncomfortably hot during the summer months.

So...I'd like to try some Class D amps.  Stereo or mono is just fine.  And my speakers aren't difficult to drive so I don't need a thousand watts.  But if that thousand watt amp sounds great, I'm not adverse to that, either.

I'd like to keep the price under 2k used.  

Please help.

Thanks.


128x128audiodwebe
@audioguy85
"The heat thing with class A is over blown in my opinion...Yes, they generate some heat, but not near enough to impact your comfort in the summer time."

Not over blown for those who run larger high-bias / big transformer full Class-A amplifiers in the summer. Worse with monos or smaller rooms. It can absolutely impact room heat. Many high bias Class-A amp owners have secondary amps to rotate in over summer months.

Hence, all the recent interest in evolving Class-D designs again, even if it’s just "tolerable" to listen to. Glad to read Ralph @Atmosphere is working on this. Put me on the beta-tester list, tube amp guy builds Class-D, yes! 

Thanks, everyone, for the continued suggestions and information on the various amps.

Around what year, in your opinions, did Class D amps come into their own?  

On a side note, I suck!  Here I am getting all this info and I went ahead and ordered the BoyuuRang A50 Mk III because I'm curious about an amp with 300b output tubes.  I have amps that use the 300b as drivers and other tubes as outputs.

Damn Steve Guttenberg!

Sorry, everyone.  Please don't flog me, as I am still in the market for a Class D amp for the summer months.


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The AGD Audions aren’t cheap but they’re worth every penny. The sound is stellar clean, transparent and tube-like zero fatigue. I thought I’d just dip in class D to see where we’re at so to speak. I was pleasantly(understatement) surprised.