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(!!) (Single) 6F8G National Union parallel plates like new 1950 (9.4ma and 8.0ma)

(!!) (Single) 6F8G National Union parallel plates like new 1950 (9.4ma and 8.0ma)

$ 39.99

6F8G National Union parallel plates like new 1950

1 section) 9.4ma Gm=2500

1 section) 8.0ma Gm=2400


Tested on Amplitrex

Vplate=250V

Vgrid=-8V

Good Iplate = 7-10

Good Ma = 2500-2800

 

NOTES:

6F8G = (2) 6J5G inside 1 bulb

1 section has top cap for grid

1 section has internal grid connection

 

GE, Sylvania and Raytheon have mirror image parallel black plates


RCA and Ken Rad have staggered black ribbed plates

See more: vacuum tube
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