(!!) (BEST PAIR) 6BQ6GTB=6CU6 Sylvania JAN NOS 1960's (62ma and 63ma)
By Tube World
$ 10.99
1 pair) JAN-CHS-6BQ6GTB=6CU6 Sylvania NOS 1960's
1 tube) 62ma Gm=5750
1 tube) 63ma Gm=5850
Good Good = 50ma
Good Gm = 5200+
See more: vacuum tube
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 (BEST PAIR) 6BQ6GTB=6CU6 Sylvania JAN NOS 1960's (62ma and 63ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shopifycloud/shopify/assets/no-image-2048-5e88c1b20e087fb7bbe9a3771824e743c244f437e4f8ba93bbf7b11b53f7824c.gif){kind=link}
 (BEST PAIR) 6BQ6GTB=6CU6 Sylvania JAN NOS 1960's (62ma and 63ma) "Pin It")