(!) (Best Pair) 6661=6BH6 GE NOS 1960's (6.3ma and 6.4ma)
$ 17.99
1 pair) 6661=6BH6 GE NOS 1960's
1 tube) 6.3ma Gm=4200
1 tube) 6.4ma Gm=4300
6661=mobile rated 6BH6 (6.3Vfil +/- 1.3V)
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 (Best Pair) 6661=6BH6 GE NOS 1960's (6.3ma and 6.4ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/2_89159c7f-6395-4914-b1fc-5b4b77dc34d0.jpg?v=1747159549){kind=link}
 (Best Pair) 6661=6BH6 GE NOS 1960's (6.3ma and 6.4ma) "Pin It")