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310A Western Electric large punch plate NOS 1963 in white box - very small surface crack in top of tube (5.6ma)

$ 99.99

310A Western Electric large punch plate NOS 1963 in white box - very small surface crack in top of tube (see 2nd photo) - does not effect tube performance

5.6ma

Gm=1600

SINGLE TUBE - NOT A PAIR

 

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

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