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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: An explanation required posted by bluelobster on May 2, 2007 at 18:13:22:
Every pair of dissimilar metals forms a little diode. That is, voltage has to exceed some (tiny) amount before any appreciable conduction takes place. And I think the voltages are different in the two directions. If there's a dc bias, no problem. But for ac signals that go through a plethora of dissimilar contacts (think of your CD player and particularly your phono signal) those can add up. Avoiding dissimilar metals is a good idea, though not much attention is paid to it.
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Follow Ups
- Dissimilar metals - lipmanl 09:04:27 05/04/07 (0)
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