jimjimbo Posted August 1, 2018 Share Posted August 1, 2018 SOLD, thank you. Here is the first of a few tubes that I can no longer use. I purchased these for an amp I recently sold, and they were never installed. Manufactured by RCA. Hammond labeled. Black plates. A pair and a spare. Getting very hard to find. All test well above the minimum good for each respective tube section on my calibrated TV-7 tester. $95 for the trio shipped. Please PM me. Will be listing some 6550 (KT-88) later. Quote Link to comment Share on other sites More sharing options...
jimjimbo Posted August 21, 2018 Author Share Posted August 21, 2018 Bump for some awesome, hard to find tubes Quote Link to comment Share on other sites More sharing options...
jimjimbo Posted August 27, 2018 Author Share Posted August 27, 2018 SOLD Quote Link to comment Share on other sites More sharing options...
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