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In Reply to: Anyone familiar with 6A5 triodes? posted by Alpha Al on January 29, 2013 at 12:35:21:
An odd tube - very similar to the 6B4G.
The majority of the ones I've seen appear to be as you described: a center-tapped 6B4; 'though some have what I can only describe as a 'sleeve' around the heater: which I assume to indicate an attempt at approximating an indirectly-heated 6B4.
Please note: I am not an expert in tube history, nor am I feigning knowledge about the evolution of IDHTs; I am merely providing anecdotal experience about the 6A5.
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Follow Ups
- 6A5 - Jim Dowdy 01/29/1314:36:19 01/29/13 (0)