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In Reply to: RE: 8417 tubes and their history. posted by Jim McShane on August 10, 2016 at 07:40:14:
where they had alignment issues with the grids causing runaway..
It's funny that you mention element spacing because it has gotten better over time with many tubes like Genelex KT77 and KT88 reissue and therefore has given the RI an advantage over their vintage cousins in critical areas.
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Follow Ups
- It kind of puts you in mind of the later EI KT90 type 3 and later tubes - Michael Samra 20:25:51 08/10/16 (0)