(!!) (Best Pair) JHS-6AU6WB Sylvania NOS 1967-1968 (6.3ma and 6.6ma)
$ 19.99
1 pair) JHS-6AU6WB Sylvania NOS 1967-1968
1 tube) 6.3ma Gm=4100
1 tube) 6.6ma Gm=4300
See more: vacuum tube
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 (Best Pair) JHS-6AU6WB Sylvania NOS 1967-1968 (6.3ma and 6.6ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_c3f8f1da-a4ba-4892-9985-be56362a0087.jpg?v=1760291569){kind=link}
 (Best Pair) JHS-6AU6WB Sylvania NOS 1967-1968 (6.3ma and 6.6ma) "Pin It")