(!!!) (Best Pair) 12JB6 Sylvania NOS 1960's - 1970's (71ma and 74ma)
$ 61.99
1 Pair) 12JB6 Sylvania NOS 1960's - 1970's
1 tube) 71ma Gm=7500
1 tube) 74ma Gm=7250
See more: Unknown Type
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 (Best Pair) 12JB6 Sylvania NOS 1960's - 1970's (71ma and 74ma)&Category=&ImageURL=http://tubeworldexpress.com/cdn/shopifycloud/storefront/assets/no-image-2048-a2addb12.gif){kind=link}
 (Best Pair) 12JB6 Sylvania NOS 1960's - 1970's (71ma and 74ma) "Pin It")