Log-in
(!!!) (#2 310A Pair from 1969) 310A Western Electric large punch plate NOS 1969 same date codes (6.3ma and 6.4ma)

(!!!) (#2 310A Pair from 1969) 310A Western Electric large punch plate NOS 1969 same date codes (6.3ma and 6.4ma)

$ 469.99

1 pair) 310A Western Electric large punch plate NOS (6913=1969) same date codes

1 tube) 6.3ma Gm=1900 slightly tilted top cap

1 tube) 6.4ma Gm=1900 

 

Vplate=180V

Vscreen=135V

Vgrid=-3V

Good Ma range 5-5.5ma

Good Gm range 1600-1800

 

 

 

General Info

Pentode, Vfil=10V

 

- Maison Audiophile Paris 300B Legend amp 1990
- Tektron 211 amp
- WE 91B amp
- Shindo

See more: vacuum tube
Scroll to top