(!!) (BEST SINGLE) 6DN7 GE branded RCA NOS 1960's (64ma and 7.2ma)
By Tube World
$ 19.99
1 tube) 6DN7 GE branded RCA NOS 1960 era (1 plate) black (1 plate) gray
64ma Gm=9000
7.2ma Gm=2200
Tested on Amplitrex
1 section) Good NOS Ma=35-40ma and Gm=7000-7700
1 section) Good NOS Ma=7-8ma and Gm=2200-2500
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See more: vacuum tube
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 (BEST SINGLE) 6DN7 GE branded RCA NOS 1960's (64ma and 7.2ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_aaafedcc-5f97-4662-a5c4-43c9d9778ede.jpg?v=1573669834){kind=link}
 (BEST SINGLE) 6DN7 GE branded RCA NOS 1960's (64ma and 7.2ma) "Pin It")