(!!!!) (Best Overall Pair) 6EW7 Hitachi Japan branded Westinghouse BIG BOTTLE NOS 1970-1972 (5.5/5.2ma and 63/63.5ma) 1-3% matched
$42.99
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1 matched pair) 6EW7 Hitachi Japan branded Westinghouse BIG BOTTLE NOS 1970 era 1 tube) 5.2ma Gm=2000 and 63.0ma Gm=9600 1 tube) 5.5ma Gm=2000 and 63.5ma Gm=9700 (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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