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In Reply to: Positive effects of FET buffer+ with tube RIAA. Impedance matching posted by Balle Clorin on January 29, 2005 at 11:25:15:
I fixed the distortion problem with the buffer by changing the FET from MPF102 to BF246C, and changing the source resistor from 866ohm to 180 ohm.
Distortion is now down to 0.035%Works very well with my Seduction now.
Best regards
Balle
Topic - Positive effects of FET buffer+ with tube RIAA. Impedance matching - Balle Clorin 11:25:15 01/29/05 ( 10)
- Update: Buffer with low distortion - Balle Clorin 02/3/05 13:45:57 02/3/05 ( 0)
Re:Negative side effect of FET buffer?? - Balle Clorin 00:58:11 01/30/05 ( 5)
- Re:It is the buffer that distorts... - Balle Clorin 06:33:28 01/30/05 ( 4)
- Error found. Actual FET had too low drain current - Balle Clorin 23:16:32 02/1/05 ( 0)
- Re:It is the buffer that distorts... - Eli Duttman 08:27:13 01/30/05 ( 2)
- Re:It is the buffer that distorts... - Balle Clorin 10:21:37 01/30/05 ( 1)
- Re:It is the buffer that distorts... - Eli Duttman 11:17:28 01/30/05 ( 0)
Re: Positive effects of FET buffer+ with tube RIAA. Impedance matching - gstew 23:25:57 01/29/05 ( 0)
Re: Positive effects of FET buffer+ with tube RIAA. Impedance matching - Eli Duttman 13:03:42 01/29/05 ( 1)
- Re:RIAA deviation also improved to ( 0,2db - Balle Clorin 14:38:39 01/29/05 ( 0)
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