(!!) (Best Single) 47 RCA NOS 1949 (38.2ma Gm=2630)
By Tube World
$ 29.99
47 RCA NOS 1949
38.2ma
Gm=2630
(2.5 watts)
(2.5V filament)
See more: vacuum tube
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 (Best Single) 47 RCA NOS 1949 (38.2ma Gm=2630) "Pin It")