(!!!) (Best Single) KT66 Osram UK black base NOS 1950's (81ma)
$ 399.99
1 tube) KT66 Osram black base NOS in original box, no logo, very good condition, 1950's
81ma
Gm=7200
See more: vacuum tube
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 (Best Single) KT66 Osram UK black base NOS 1950's (81ma) "Pin It")