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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: Melos had such a scheme before... posted by pmkap on December 23, 2004 at 18:59:46:
would it still qualify as a 'passive' preamp if it still needed a power supply to operate? Not trolling, either.BTW, the Hafler Iris preamp from the mid-80s used opto-electronics to control the volume in a bridge arrangement. They sold out to Rockford as this preamp hit the market so it didn't get much attention then and now. It used old TTL control circuitry, too.
Cheers,
David
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Follow Ups
- That's cool....but.... - doodlebug 19:53:52 12/23/04 (2)
- Re: That's cool....but.... - Chris_F 04:36:10 12/24/04 (1)
- Neat idea......n/t - doodlebug 10:05:30 12/25/04 (0)
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