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393A GE made for WE tests like new 1940's, strong output, very small hairline crack in base
top plate tilted, but doesn't effect tube performance
62/40
(similar specs to 3C23, 7410, but 393A has octal base, 3C23 has 5 pin base)
(2.5Vfil @ 7A, peak anode to grid volate = 1250, ST-16 bulb)
Ships within 48 hours · Estimated delivery Jul 1 - Jul 6
US$40
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