(!!) 80=U50 Madrid Spain tall bottle NOS 1949 (66/40 and 80/40)
$ 37.99
80=U50 Madrid Spain tall bottle double square getter halos NOS 1949
66/40
80/40
Tested on TV-7
See more: vacuum tube
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 80=U50 Madrid Spain tall bottle NOS 1949 (66/40 and 80/40) "Pin It")