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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Al, Sorry for the late follow up Q.... posted by RioTubes on August 30, 2007 at 08:06:42:
TI Shield is conductive, and the reports here from others are that grounding a piece of it wrapped around the R-C networks provides a benefit. I thought about what advantage the grounding could have, and concluded that doing so should improve the common-mode damping. However, I have not yet done something like this myself (too many other projects).
My cables have carbon fiber sleeve on them as you described. Since the sleeve covers both conductors, it is relatively ineffective for normal-mode waves. However, it would be effective for common-mode waves. It would be difficult to make a secure and permanent ground connection to it, as it cannot be soldered. It seems to help just used as an ungrounded wrap. I can't say whether grounding it would make it work better.
Carbon fiber is conductive, but much more resistive than TI Shield material. I use it along most or all of the cable to improve the damping. Using TI Shield in the same way would be like adding a conventional shield, and increase the cable capacitance with little series resistance. This might upset the tonal balance or create problems for the power amp.
Another caution is that I believe the AC safety-earth wiring ("ground") is a carrier of RF noise. Adding another connection to the AC safety-earth may increase the amount of RF noise that gets into the audio system.
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Follow Ups
- Similar effects. - Al Sekela 16:56:45 08/30/07 (0)
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