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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: Impedance matching. posted by Odyno on January 9, 2007 at 22:40:43:
Just to clarify, in RF work they do impedance matching for maximum power transfer. In audio we do intentional, engineered impedance mismatching to achieve a tradeoff of fidelity for efficiency. We try to lightly load sources rather than match their impedance. I've done a little math and it seems maximum distortion comes at the same point as maximum power transfer. That's fine for RF, where you filter everything but the tight band of frequencies you want (getting rid of harmonic distortion) but not fine for audio, which is inherently wideband.
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Follow Ups
- Re: Impedance matching. - lipmanl 08:56:38 01/10/07 (1)
- Re: Impedance matching. - Odyno 09:19:38 01/10/07 (0)
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