Since when is the current 3-500ZG have a mu of 200? Looks to still be 130 from
what Ive found at RFP and RFConcepts.The only higher ones Im aware of were the
Amperex.Ive been very pleased with the RFC quality so far.CarlKM1H## How old
is the good remaining tube ?? I would just buy a matched pair of new tubes
and be done with it.
Your chances of getting a 50-50 current split on an old eimac 3-500Z with a
mu of 130 vs a new 3-500Z with a
mu of 200 will not be very good.
## sell the remaining semi good oem tube to someone who has a 1 tube amp.
Jim VE7RF
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