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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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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: Tube amp PS posted by wrm0325 on May 2, 2016 at 18:15:41:
I don't understand why the driver needs more voltage than the output. The use of an interstage transformer means the driver gets plenty of voltage at the plate.
But in any case the normal cascaded power supply provides less ripple to the driver, because any hum in the driver stage is amplified in the next stage - so the driver is more sensitive to the ripple than the output stage.
Some 15 or 20 years ago, Border Patrol (if I remember correctly) advocated independent power supplies for each stage and (again IIRC) many who experimented with this agreed. I have not seen much talk of this lately but it still makes sense to me. So I would expect Plan B to work best. You'll never know until you try both ... :^)
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Follow Ups
- RE: Tube amp PS - Paul Joppa 18:45:05 05/02/16 (10)
- RE: Tube amp PS - Tre' 10:05:03 05/03/16 (0)
- RE: Tube amp PS - SteveBrown 08:14:11 05/03/16 (8)
- RE: Tube amp PS - wrm0325 17:32:06 05/03/16 (7)
- RE: Tube amp PS - Forgot to add - 91derlust 13:09:39 05/04/16 (2)
- RE: Tube amp PS - Forgot to add - wrm0325 19:36:10 05/07/16 (1)
- RE: Tube amp PS - Forgot to add - 91derlust 20:45:53 05/08/16 (0)
- RE: Tube amp PS - Eli Duttman 22:13:48 05/03/16 (1)
- RE: Tube amp PS - sonicboom 17:26:26 05/06/16 (0)
- RE: Tube amp PS - 91derlust 20:05:19 05/03/16 (0)
- RE: Tube amp PS - Paul Joppa 18:33:19 05/03/16 (0)
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