(!) 6F6G=VT-66A Sylvania used/tests like new 1940's (45ma)
$ 29.99
JAN-6F6G=VT-66A Sylvania used/tests like new 1940's
45ma
Gm=2540
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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