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In Reply to: RE: 5y3 vs 5r4 posted by waltr on April 13, 2008 at 14:49:45
I would use a 5R4 and recommend the Sylvania 5R4GYB black plate as a good sounding tube. The older RCA 5Y3GT are nice sounding tubes too. I guess about 8-10 volts lower B+ using the 5Y3GT.
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