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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: RE: Buyig Tubes posted by ACHiPo on August 13, 2021 at 20:48:19:
Just a thought......
An amp making NO SOUND thru a speaker and drawing a couple hundred watts???
It is ALL HEAT. You are doing No Work.
'D' is cool. Highly efficient PS, and OVERAL efficiency at full power can run Over 90%.
Efficiency drops as a function of power, reaching ZERO at Zero output. Maybe a little better than an AB amp at similar powers. Depends on some other things.
But keep in mind that your SPEAKER will not (probably) exceed about 5% which puts and UPPER LIMIT on overall efficiency. Speaker voice coils can get darn hot. And change with heat. Not necessarily 'for the better'......
Still and all? Your heat load TO the AC is a LOT. A person might be about 100 watts equivient each.
So while you are adding heat to your house, the AC is running at some low efficiency REMOVING such heat. It's all downhill!
If I go tube? I'll take some readings at both normal listening levels AND at idle.....
Too much is never enough
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Follow Ups
- RE: Buyig Tubes - pictureguy 21:00:28 08/13/21 (2)
- RE: Buyig Tubes - ACHiPo 22:03:29 08/13/21 (1)
- RE: Buyig Tubes - pictureguy 23:02:06 08/13/21 (0)
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