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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: Re: Try these... posted by slope on March 31, 2004 at 15:52:00:
The trailing edge switching thing is that they work by turning off the desending part of the mains sinewave.
Most "normal" dimmers use the leading or rising edge this seems to produce more noise (EMI/RFI). I think due to the stored charge in the load, the current decline is not as sharp as the turn on of the normal leading edge dimmer.I got mine from a electrical trade/retailer loads cheaper than an audio boutique say about 8GBP = $14 US.
check out your local trade places for "IQ trailing edge dimmers" they arent that new been around for a few years but not be unknown in the electrical/lighting world over your side of the pond.
Good hunting.
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Follow Ups
- trailing edge - chris_w 08:51:20 04/01/04 (0)
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