(!!!) (BEST PAIR) 6HF5 Sylvania NOS 1960's (127ma and 132ma)
$ 79.99
1 pair) 6HF5 Sylvania NOS 1960's
1 tube) 132ma Gm=10,000
1 tube) 127ma Gm=9300
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 PAIR) 6HF5 Sylvania NOS 1960's (127ma and 132ma)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_cd5ed9e6-a057-4cb7-bc0f-474c22b9c490.jpg?v=1649018388){kind=link}
 (BEST PAIR) 6HF5 Sylvania NOS 1960's (127ma and 132ma) "Pin It")