(!!!) 5U4GB GE NOS 1971 (58/40 and 61/40)
By Tube World
$ 29.99
(!!!) 5U4GB GE NOS 1971 (KE)
58/40
61/40
See more: vacuum tube
By Tube World
(!!!) 5U4GB GE NOS 1971 (KE)
58/40
61/40