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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: And you are describing an ancient technology posted by bartc on November 21, 2006 at 06:01:20:
However, this is really a form of tone control. As you are amping by sympathetic resonance only a narrow band of frequencies, you are making a peak there and in its harmonics...
That's incorrect. At the device's resonant frequency, it's not amplifying. It's doing just the opposite, it's absorbing. It's like a notch filter. The less lossy the resonator, i.e. the higher the Q of the resonance, the greater the absorption and the narrower the bandwidth of the absorption. Conversely, with a more lossy resonator and a lower Q, the less the absorption and the wider the bandwidth.
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Follow Ups
- Re: And you are describing an ancient technology - Steve Eddy 11/21/0613:34:47 11/21/06 (3)
- I suspect there are 2 resonance characteristics at least in play - bartc 15:54:30 11/21/06 (2)
- Re: I suspect there are 2 resonance characteristics at least in play - Steve Eddy 19:05:25 11/21/06 (1)
- Well you got me there - bartc 21:02:57 11/21/06 (0)
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