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Are there any tube amps that don't give off any---

HEAT!! 
I have a very small dedicated listening room, and so I was wondering IF there are any tube amps..I guess hybrid or all tube ( although more all tube)- that simply give off NO heat or very very little heat after full warm up. Since the climate seems to be getting hotter, it would be nice to have the benefits of a tube amp with no heat whatsoever. ( is this even possible?). 
Running AC isn't my preferred way of listening in a small room, so this question is now on my mind. I do not want to consider Class D solid state amps...as I know they are an option from a heat perspective...but just tubes.
128x128daveyf
curiousjim's avatar
curiousjim
4,742 posts
 
daveyf,

Check out this amp.  It has tubes to give you that tube sound, but they’re not the output tubes.  Much less heat!

https://www.psaudio.com/bhk-signature-250-amplifier/

they have a 300 watt amp also.

All the best

JD
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condosound
129 posts
 
Carver 275
dchang05
61 posts
 
I just got my PS Audio Stellar M1200s amp. They are hybrid design class D with tube input. They are barely warm after hours of playing. In fact they are designed to be stacked up because they emit little heat. The sound is awesome by the way.
lancelock
1,094 posts
 
Linear Tube Audio (David Berning’s) designs. Very low heat and long tube life.
noromance's avatar
noromance
9,810 posts
 
Depending on your amp design, you may be able to run them with smaller tubes like EL34B/6L6GTB/KT66/77. Bias at the lower end of their range should cut heat easily in half. Might even sound better.
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