(!!!!) (Best Pair) 6F6G Marconi Spain NOS 1940's (34.0ma and 34.5ma)
$ 119.99
1 matched pair) 6F6G Marconi Spain NOS 1940's
1 tube) 34.0ma Gm=2660 small rattle inside base
1 tube) 34.5ma Gm=2740
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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 (Best Pair) 6F6G Marconi Spain NOS 1940's (34.0ma and 34.5ma) "Pin It")