(!!!!) (Recommended Pair) 6EW7 Hitachi Japan branded Westinghouse BIG BOTTLE NOS 1970-1972 (4.0/4.4ma and 53/55ma)
$33.99
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1 matched pair) 6EW7 Hitachi Japan branded Westinghouse BIG BOTTLE NOS 1970 era 1 tube) 4.0ma Gm=1900 and 53ma Gm=9000 1 tube) 4.4ma Gm=1800 and 55ma Gm=9200 (6EW7 is a close substitute to the 6DE7)- Woo Audio 6- Woo Audio 6 SERCA made skinny bottle 6EW7Sylvania and Hitachi Japan made FAT BOTTLE 6EW7
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