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(!!!!!) (Recommended Pair) 310A Western Electric NOS large punch plate 1974-1976 (5.4ma and 5.6ma) (same Gm)

$ 499.99

1 platinum matched pair) 310A Western Electric NOS large punch plate 1974-1976 1-5% matched in white boxes - large getters

1 tube) 5.4ma Gm=1500 (7439=1974)

1 tube) 5.6ma Gm=1600 (7613=1976)

 

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
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- Shindo

See more: vacuum tube
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