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Critic's Corner Discuss a review. Provide constructive feedback. Talk to the industry. |
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Critic's Corner Discuss a review. Provide constructive feedback. Talk to the industry. |
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In Reply to: Not always. posted by Dan Banquer on January 22, 2007 at 04:36:37:
is a large part of the problem. Those line- and neutral-to-ground Y-caps couple RF noise from the line and neutral onto the safety-earth wiring, where it then goes into the audio system to degrade the performance.Attaching shields to earth is important for DC and lower-frequency RF, but has no relevance for the higher-frequency noise that modern appliances generate and that mixes with the audio signal inside most gear and at any corroded connections. The safety-earth wiring is just another complex antenna and distribution network for this noise.
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Follow Ups
- "...your typical AC line input filter schematic from Corcom..." - Al Sekela 13:48:49 01/22/07 (6)
- You're both confusin' me... - Jim Austin 04:19:28 01/23/07 (5)
- I'd look at non-grounded for both ideal and real-world environments. - Al Sekela 11:47:50 01/23/07 (0)
- Re: You're both confusin' me... - Dan Banquer 04:29:50 01/23/07 (3)
- Thanks Dan, one more-- - Jim Austin 04:37:40 01/23/07 (2)
- Re: Thanks Dan, one more-- - Dan Banquer 04:47:41 01/23/07 (1)
- Re: Thanks Dan, one more-- - Jim Austin 04:50:49 01/23/07 (0)
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