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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Is this a unity coupled output? posted by FenderLover on June 11, 2016 at 21:45:40:
48 watts.11% at 48 watts
I just changed the phase inverter and the 12BH7 voltage amp and the distortion numbers improved even at 48 watts..So you were right.Even at 48 watts this amp maintains it low distortion which is another attribute of that output stage working in conjunction with that bootstrapped driver.
If I put in new output tubes,it will go even lower and power output may increase as well..I did back off a tiny bit but 48 watts ain't none too shabby at .11%. At 50 watts,it would go up to .21% which isn't bad either and still beats rated spec of .25% at 30 watts.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken
Edits: 06/11/16
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Follow Ups
- Steve look at this. - Michael Samra 23:09:12 06/11/16 (10)
- RE: Steve look at this. - Triode_Kingdom 22:18:30 06/12/16 (9)
- RE: Steve look at this. - Michael Samra 09:42:10 06/13/16 (8)
- Class of Operation - Triode_Kingdom 17:22:42 06/13/16 (7)
- RE: Class of Operation - Michael Samra 18:59:55 06/13/16 (6)
- RE: Class of Operation - Triode_Kingdom 06:26:05 06/15/16 (5)
- RE: Class of Operation - Michael Samra 16:55:21 06/15/16 (4)
- B+ - Triode_Kingdom 14:36:10 06/16/16 (2)
- trying to understand how the amp is getting there. - Michael Samra 21:40:57 06/17/16 (0)
- I didn't ,measure it under full load. - Michael Samra 18:08:06 06/16/16 (0)
- RE: Class of Operation - PakProtector 05:43:14 06/16/16 (0)
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