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In Reply to: Re: GE 5ar4 nos posted by g on August 29, 2004 at 07:58:06:
G -AFAIK, National marketed two type of tubes rebranded as 5AR4's. The first is a Russian type, reportedly a 5Z4. They won't stand up as 5AR4's.
Ironically, the second is actually a Bendix 6106. It is a poor substitute for a 5AR4 - but is a fantastic tube within its ratings (really an indirectly heated 5Y3GT). They have a light tan base (?micanol) and the typical Bendix "center post" cathode.
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Follow Ups
- National/Richardson - Gary Kaufman 08/31/0408:41:27 08/31/04 (0)