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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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Theory says that negative feedback always improves distortion.
However there are examples from the past of commercial amplifiers with plenty of feedback and no particular sonic benefit.
Why?
The benefits of feedback depend on circuit topology.
Let's see with this old Rogers amplifier.
Omnes feriunt, ultima necat.
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Topic - When negative feedback is not beneficial - cellailuca 01:31:15 01/10/24 (13)
- RE: When negative feedback is not beneficial - Tre' 18:54:19 02/12/24 (1)
- Well said. Tre' _nT - Cleantimestream 14:05:43 02/13/24 (0)
- Which negative feedback is not beneficial ? - Ian L 14:49:58 01/22/24 (0)
- RE: When negative feedback is not beneficial - rage 11:30:27 01/19/24 (1)
- RE: When negative feedback is not beneficial - Best audiotransformers 02:14:28 01/20/24 (0)
- RE: When negative feedback is not beneficial - walge 07:57:18 01/17/24 (1)
- larger image - Ian L 14:46:42 01/22/24 (0)
- The output stage needs it - Triode_Kingdom 05:33:25 01/10/24 (0)
- RE: When negative feedback is not beneficial - cellailuca 01:36:40 01/10/24 (4)
- I suspect this is inconclusive/some circuit tweaks you might consider. - Ralph 11:19:10 01/10/24 (0)
- RE: When negative feedback is not beneficial - cellailuca 01:41:23 01/10/24 (2)
- RE: When negative feedback is not beneficial - cellailuca 01:47:06 01/10/24 (1)
- RE: When negative feedback is not beneficial - cellailuca 01:54:15 01/10/24 (0)
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