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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: TDA1541A sin(x)/x, I/V ... do I get this right posted by Elso Kwak on March 8, 2002 at 14:24:40:
Elso,We (some people in our club) have spend much time on that. I worked my way across from a simple 3rd order filter with -6db @ 20KHz (including sin(X)/(X) effects) all the way to one that is flat. While pleasant on some recordings, the substantial HF rolloff was pleasing, on "known good" recordings the result was a darkening of tonality, with reduced spaciousness and a more opaque sound.
The final Filter uses the same 3rd order topology as the original but due to an adjusted Q allows the HF response to be mostly compensated for the sin(X)/(X) rolloff, allowing substantially flat response to appx. 16Khz and modest rolloff at 20KHz.
Later T
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Follow Ups
- Re: TDA1541A sin(x)/x, I/V ... do I get this right - Thorsten 15:28:55 03/08/02 (4)
- Re: TDA1541A sin(x)/x, I/V ... do I get this right - steve jones 11:06:50 03/09/02 (1)
- Re: TDA1541A sin(x)/x, I/V ... do I get this right - Thorsten 15:57:00 03/09/02 (0)
- Re: TDA1541A sin(x)/x, I/V ... do I get this right - JRR 20:20:14 03/08/02 (1)
- Re: TDA1541A sin(x)/x, I/V ... do I get this right - Thorsten 04:38:28 03/09/02 (0)
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