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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: And sometimes they are posted by Jon Risch on January 17, 2012 at 20:45:44:
It's actually not a 'standard' in-series coupling cap ... it's a bypass cap across the Source resistor of a JFET gain stage, in a phono stage. The original circuit had this (for reasons that I can't imagine) set to 51K - with a cap value of 100uF.
In my investigations into the circuit (with the aim of making the phono stage sound better), I determined that about 10K gave a better current through the JFET and I was interested to know whether the cap value could be decreased.
So now I will not lower it as much as I was thinking of doing! :-))
Regards,
Andy
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Follow Ups
- Thank you, Jon - a very interesting take ... - andyr 23:24:43 01/17/12 (0)
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