12HG7=12GN7A Sylvania branded RCA coated glass NOS (1 pair)
$ 19.99
1 pair) 12HG7=12GN7A Sylvania branded RCA coated glass NOS
(12HG7=ruggedized frame-grid version of 12BY7A, uprated to 10 watts)
Pentode
See more: vacuum tube
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