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Old 13th December 2004, 03:09 AM   #1
mr l is offline mr l  Australia
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Default Evolve Amplifier

ANYONE TRIED THIS DESIGN,ALL OPINIONS WOULD BE WELCOME.THANKS.
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Old 13th December 2004, 08:06 PM   #2
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no takers?
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Old 13th December 2004, 08:19 PM   #3
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I have not tried this design.
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Old 15th December 2004, 10:50 AM   #4
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Most amp at evolve are complex , use jfet ,dual transistor
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Old 16th December 2004, 09:48 AM   #5
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This designer, Kamijo, is one of the most imaginative and thorough I have ever seen. His hybrid circuits are absolutely astonishing; his use of cascode circuitry almost defies description.

Incidentally, he is not afraid to use lots of negative feedback.

I must add, however, I've not built these circuits. Technically they are masterful, but he leans towards lowest possible measured distortion and this does not always correlate with the best possible sonics.

Cheers,

Hugh
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Old 16th December 2004, 09:52 AM   #6
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I think the same Hugh. His designs looks interesting and unconventional. I wonder also how good they are.

He draws also very nice looking and clear schematics.

Mr. Evolve can be reached here:
http://www.ne.jp/asahi/evo/amp/
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Old 16th December 2004, 08:00 PM   #7
mr l is offline mr l  Australia
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yes i have to say his designs are out there,check out the one using rf transistors.
for this design which he calls the "knitting machine",to hear the "naked quality" he dosen't use feed back at all-well i can't see global feedback....
i suppose the best thing to do is build it & hear the sound quality for myself-have most of the transistors now, & amongst work & parenting i might have it built in 2 years time.......
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Old 19th December 2004, 01:45 AM   #8
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my mistake about the rf transistor amp-audio transistor utilizing rf transistor package.
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