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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Fools rush in posted by Dan Banquer on February 2, 2007 at 04:54:08:
Risetime limiting is not TIM or SID. Tubes sometimes suffer from risetime limiting, but it rolls off harmonics, rather than adds them.
The most important reason that audio tube electronics did not use too much negative feedback decades ago, was because the coupling caps and transformers within the feedback loop went unstable and caused 'motorboating' when too much feedback was applied. Therefore it was difficult, if not impossible, to use much more than 20dB of negative feedback in a tube design. This 'saved' tubes in the long run, but they didn't know it then.
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Follow Ups
- Re: Fools rush in - john curl 12:03:42 02/02/07 (10)
- Re: Fools rush in - Dan Banquer 09:08:07 02/03/07 (7)
- Re: Fools rush in - john curl 12:05:38 02/03/07 (6)
- Re: Fools rush in - Dan Banquer 12:18:10 02/03/07 (5)
- P.S. - Dan Banquer 12:59:23 02/03/07 (4)
- Re: P.S. - john curl 15:59:04 02/03/07 (3)
- Boy, this is getting pathetic - E-Stat 08:04:50 02/04/07 (2)
- Depends on which Webster you are referring to... - Wellfed 10:32:07 02/04/07 (1)
- Not this one! - E-Stat 18:43:51 02/04/07 (0)
- Thanks for the breath of fresh air in this stale discussion - E-Stat 16:45:43 02/02/07 (1)
- Re: Thanks for the breath of fresh air in this stale discussion - john curl 17:41:18 02/03/07 (0)
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