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Description
12HG7=12GN7A US Brands NOS:
2) GE
2) Sylvania
0) RCA 32ma Gm=23,000
1) RCA 25ma Gm=23,000
Good Ma range 25-32ma
(12HG7=ruggedized frame-grid version of 12BY7A, uprated to 10 watts)
Pentode
12HG7=12GN7A US Brands NOS:
2) GE
2) Sylvania
0) RCA 32ma Gm=23,000
1) RCA 25ma Gm=23,000
Good Ma range 25-32ma
(12HG7=ruggedized frame-grid version of 12BY7A, uprated to 10 watts)
Pentode
