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Old 13th January 2016, 04:06 PM   #1
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Join Date: Dec 2004
Location: Durham, NC
Default Sony TAN 5550 Vfet updates possible?

I have a very nice sounding Sony 5550 Vfet amp. All original. I wonder if some of the Papa's vfet designs can be adopted to update this amp, e.g., version 2? Vfets are 2sk60/2sj18 variety (3 pairs in each channel, all ranked 58). I have not replaced the bias diodes yet.
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