7B7 Sylvania branded RCA NOS 1955 (73/43) (Best Single)
By Tube World
$ 29.99
7B7 Sylvania branded RCA NOS 1955
73/43
Tested on TV-7
68=100%+
See more: vacuum tube
Share:
 (Best Single)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_c6d4fe50-cf21-42d8-867c-36dc4bde0d5c.jpg?v=1659242677){kind=link}
 (Best Single) "Pin It")