VINTAGE 1977 GE/MULLARD BLACKBURN 12AT7/ECC81 VACUUM TUBE, TESTED, FREE USA SHIP for Sale

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VINTAGE 1977 GE/MULLARD BLACKBURN 12AT7/ECC81 VACUUM TUBE, TESTED, FREE USA SHIP For Sale

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VINTAGE 1977 GE/MULLARD BLACKBURN 12AT7/ECC81 VACUUM TUBE, TESTED, FREE USA SHIP:
$39.99

Hi Folks, Up for sale is a VINTAGE 1977 GE/MULLARD 12AT7/ECC81 BLACKBURN, GRT. BRITAIN vacuum tube. This tube tests great with no shorts or leakage on my Sencore Mity Mite VII TC-162 electronic tester which gives real world results. It tests evenly in both segments in the 2nd and 3rd pictures read on the top scale at 98-95 and with no grid leakage in the 4th picture read on the bottom scale. Halo getter, heavy mica, nice graphics. Codes are Tk3 on top which is the euro code for the tube type and B7F1 on the bottom, Blackburn, 1977. Among the best amp tubes ever made. Please check my response rating. I will offer fast shipping, usually next day. Free USA shipping to the lower 48 States. Please check out my other items. Many Thanks and GOOD LUCK!!...