(!!!) (Recommended RCA Pair) 6F6 RCA metal can NOS 1950's - 1960 (39ma and 41ma)
$ 44.99
1 pair) 6F6 RCA metal can NOS 1950's - 1960
1) 39ma Gm=2500 (1950's) silver printing
1) 41ma Gm=2700 (1960 era) red printing
Matched on Amplitrex
Good NOS Ma = 30-35ma
Good NOS Gm = 2300-2500
See more: vacuum tube
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 (Recommended RCA Pair) 6F6 RCA metal can NOS 1950's - 1960 (39ma and 41ma)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_c2cb034f-d212-4678-8850-32ffa74253cd.jpg?v=1573137818){kind=link}
 (Recommended RCA Pair) 6F6 RCA metal can NOS 1950's - 1960 (39ma and 41ma) "Pin It")