7B7 Sylvania NOS 1957 (72/43) (Best Single)
$ 29.99
7B7 Sylvania NOS 1957
72/43
Tested on TV-7
68=100%+
See more: vacuum tube
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 (Best Single) "Pin It")
7B7 Sylvania NOS 1957
72/43
Tested on TV-7
68=100%+