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6F6GT Sylvania gray plate NOS 1952 crack in base (40ma)

6F6GT Sylvania gray plate NOS 1952 crack in base (40ma)

$ 19.88

1) 6F6GT Sylvania gray plate NOS 1952 crack in base

40ma 

Gm=2450

 

 

Test settings:

Vplate=285V

Vscreen=285V

Vgrid=-20V

Good Ma range = 32-38ma

Good Gm range = 2400-2600

 

Recommended for

- Sparton Nocturne 1186 from 1936

- Fire Stone Sir Chef S-7404-3 1939

- Montgomery-Ward Airline Model 62-226

- Supratek Cortese

- Victoria

- WE 106 preamp clone

- Wards Airline Radio

 

See more: vacuum tube
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