(!!!) (Best Single) 6HF5 GE Zenith NOS 1960's (135ma)
$ 39.99
6HF5 GE Zenith NOS 1960's
135ma
Gm=10,700
Tested on Amplitrex
Vplate=175V
Vscreen=125V
Vgrid=-25V
Good Ma range 90-125ma
Good Gm = 9,000 - 11,000
- Diathermy machine built by Mettler Electronics
See more: vacuum tube
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 (Best Single) 6HF5 GE Zenith NOS 1960's (135ma) "Pin It")