(!) (Best Single) 12SF5GT National Union NOS 1950 (2.1ma Gm=1600)
$ 6.99
12SF5GT National Union NOS 1950 (2.1ma Gm=1600)
Good Ma = .9ma - 1.0ma
Good Gm = 1500
See more: vacuum tube
12SF5GT National Union NOS 1950 (2.1ma Gm=1600)
Good Ma = .9ma - 1.0ma
Good Gm = 1500