Log-in
(!!!) (Best Pair) 6HF5 GE branded RCA NOS 1960's same date codes (130ma and 144ma)

(!!!) (Best Pair) 6HF5 GE branded RCA NOS 1960's same date codes (130ma and 144ma)

$ 89.99

1 pair) 6HF5 GE branded RCA NOS 1960's same date codes (BP)

1 tube) 130ma Gm=10,600

1 tube) 144ma Gm=11,100

 

Tested on Amplitrex

Vplate=175V

Vscreen=125V

Vgrid=-25V

Good Ma range 100-125ma

Good Gm = 9,000 - 11,000

 

- Diathermy machine built by Mettler Electronics

See more: vacuum tube
Scroll to top