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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: I'll bite, Al, posted by unclestu52 on August 19, 2006 at 16:21:47:
Filament transformers are a good way to couple noise filters to the AC. Your idea of using the filament secondaries to snub the B+ rectifiers is excellent. In my present setup, I do not have tubes, but have plenty of need to filter the AC.Alan Maher posted a tweak regarding use of Hammond 193L chokes as AC noise filters. I have some large filament transformers, so I decided to give them a try. It seemed wise to load the secondaries, so I used R-C filters. The R-C filters seem to work well with the inherent loss mechanisms in the transformer cores to absorb RF noise on the AC line.
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Follow Ups
- Exactly. Include more mid-bass resolution. - Al Sekela 15:24:28 08/20/06 (3)
- Interesting - unclestu52 12:57:24 08/21/06 (2)
- I think the transformers/chokes have to be near the noise source and - Al Sekela 19:48:33 08/21/06 (1)
- Thanks! - unclestu52 20:27:18 08/21/06 (0)
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