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(!!!) (#2 310A Single) 310A Western Electric small punch plate NOS/80% 1954 in white box (4.2ma)

(!!!) (#2 310A Single) 310A Western Electric small punch plate NOS/80% 1954 in white box (4.2ma)

$ 269.99

310A Western Electric small punch plate "D" getter halo NOS/76% in white box 1954, large getter (426=1954)

4.2ma

Gm=1400 

 

Vplate=180V

Vscreen=135V

Vgrid=-3V

Good Ma range 5-5.5ma

Good Gm range 1600-1800

 

Tested on TV-7D/U

1 tube) 43/30 (1954)

 

General Info

Pentode, Vfil=10V

 

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

See more: vacuum tube
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