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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: Vinnie my 26-26 DC 45 amp is the quietest ever ..... posted by drummerwill on February 8, 2016 at 19:22:40:
Hey Willie
At this point I can only say for sure that the dc works best on the filaments for the 26's in the PREAMP. From what I heard when I had the 45 amp bread boarded, and from what I hear with my 91A clone, I think the amp will be fine with ac on the filaments, but I won't know until I have the 45 amp put together in final form in a month or so.
I am curious about how a hum pot works with dc; there is nothing to balance out is there? Isn't 32 mV kind of high for a hum level? I always thought hum should be less than 8 mV. I have not measured mine yet; guess I should. Just been going by ear.
You really owe it to yourself to try all ac filaments in the amp. I would think that if any dc is needed in the amp it would only be the filaments of the input 26, but I am hoping not even that.
If you get there first let me know what you hear.
Edits: 02/09/16 02/09/16
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- RE: Vinnie my 26-26 DC 45 amp is the quietest ever ..... - vinnie2 02:40:49 02/09/16 (0)
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