(!) (- Best Pair) 12HG7=12GN7A RCA clear top NOS (42ma and 43ma)
By Tube World
$ 19.99
1 pair) 12HG7=12GN7A RCA clear top NOS 1970
1 tube) 43ma Gm=29,500
1 tube) 42ma Gm=25,000
Matched on Amplitrex
(12HG7=ruggedized frame-grid version of 12BY7A, uprated to 10 watts)
Pentode
See more: vacuum tube
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 (- Best Pair) 12HG7=12GN7A RCA clear top NOS (42ma and 43ma) "Pin It")