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6973 pentode output power tubes?

10/28/1999 2:49 AM
AMPY6973 pentode output power tubes?
I purchased a gretsch amplifier for guitar it has these 6973 tubes. They are no longer made and I don't think there are substitutions. They are a 9pin base style but the base may differ from a EL84. I am wondering if a conversion to EL84 is possible? There are many wonderful Valco built amps made under many different brand names. I would like to keep these amps alive. I would greatly appreciate your expertise and advice. Thank you much. AMPY

Marc Ampy;search the net and you... -- 10/28/1999 3:05 AM
Rob W. Try looking at Tubeworld: -- 10/30/1999 4:04 AM