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In Reply to: RE: Valve repair posted by TubeAcolyte on July 25, 2014 at 04:23:46:
It's interesting... Some time ago I purchased a quad of NOS JAN GE 6550 tubes, used them for a short time and recently noticed that one of them is dead (after being unused for a year)...
I also have one dead Genalex KT88 tube (purchased as NOS) and one RCA/Siemens 7308 tube..
I suspect that reproducing these tubes (at least GE6550 and RCA/Siemens 7308 would be more expensive than buying new (NOS) ones...
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Follow Ups
- RE: Valve repair - akolegov 05:51:16 07/25/14 (0)