(!) (SINGLE) 6F8G Sylvania branded Tungsol coated glass parallel plates used/good 1940's (7.2/6.8ma) (Same Gm)

$ 32.99

6F8G Sylvania branded Tungsol coated glass parallel plates used/good 1940's

1 tube) 7.2ma Gm=2400

1 tube) 6.8ma Gm=2400

Good Ma range 7-10ma

Good Gm range 2400-2600

6F8G is electrically the same as a 6SN7GT but has a top cap for 1 grid connection

information:

GE, Sylvania and Raytheon have mirror image parallel black plates

RCA and Ken Rad have staggered black ribbed plates

Tungsol have parallel round black plates

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