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(!!!) (Best RCA Pair) 6F8G RCA black ribbed staggered plates NOS 1971 (7.4/9.0ma and 8.2/9.4ma)
(!!!) (Best RCA Pair) 6F8G RCA black ribbed staggered plates NOS 1971 (7.4/9.0ma and 8.2/9.4ma)
$ 109.99
1 matched pair) 6F8G RCA black ribbed staggered plates NOS no printing 1950's in white boxes
1 tube) 7.4/9.0ma Gm=2500/2800
1 tube) 8.2/9.4ma Gm=2600/2900
Good Ma range 7-9ma
Good Gm range 2400-2600
NOTES:
GE, Sylvania and Raytheon have mirror image parallel black plates
RCA and Ken Rad have staggered black ribbed plates
6F8G dual triode = (2) 6J5G's triodes in 1 tube
See more: vacuum tube
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 (Best RCA Pair) 6F8G RCA black ribbed staggered plates NOS 1971 (7.4/9.0ma and 8.2/9.4ma)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_cc78df44-4066-4c66-b17f-a8bb75ca2417.jpg?v=1678210082){kind=link}
 (Best RCA Pair) 6F8G RCA black ribbed staggered plates NOS 1971 (7.4/9.0ma and 8.2/9.4ma) "Pin It")