(!!!) (Single) KT66 Osram UK black base used 1950's (57ma) (Gm=60%)
$ 59.99
KT66 Osram UK black base used 1950's - label peeled of glass
57ma
Gm=4000 (60%)
See more: vacuum tube
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 (Single) KT66 Osram UK black base used 1950's (57ma) (Gm=60%)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_a544c847-f885-4c3f-9d59-1552881d5e8d.jpg?v=1718826446){kind=link}
 (Single) KT66 Osram UK black base used 1950's (57ma) (Gm=60%) "Pin It")