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In Reply to: RE: Old stock Tungsol 6550s posted by Joe Appierto on September 3, 2014 at 14:34:25:
Well I have had the 3th version of solid black plates. Yes Top getters only - 1 top and 2 getters on 1 side and the 1 top and 1 getter on each side. It was a very late 1959 production pair. I agree the solid grey plate does sound different from the black plate (ever so slightly less bass and just a hair more mid range). Very musical sounding tubes with a mid range that rivals the EL34's but more bass punch and highs. And very different sounding than the original GEC KT88.
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- RE: Old stock Tungsol 6550s - xti16 17:51:18 09/03/14 (0)