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1st May 2009, 10:20 AM
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diyAudio Member
Join Date: Mar 2004
Location: Denmark
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First Watt F5 as I/V stage?
Hi,
I like the sound from my F5 very much, and also the simple configuration. So I was wandering to make an alternative to my D1 output stage using JFETs instead of MOS-FET. But could not find any here... Next thought was to use the F5 schematic as I/V converter, with input (gates) grounded and input at the source...something like this: http://www.diyaudio.com/forums/attac...amp=1240013895 but with the 180R removed and input grounded and 10R instead of 220R...and the 5K6 feedback as I/V resistor, perhaps reduced to 470R? Will it work? What will input resistance be? How to best adjust to zero volt on input and output? DACs are PCM63P... 
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