(!!!) (PAIR) 6DN7 Philco and Tungsol by GE NOS 1960's (33ma/9.2ma and 38ma/7.5ma)
By Tube World
$ 39.99
1 pair) 6DN7 Philco and Tungsol by GE NOS 1960's same build
1 tube) 33ma Gm=7200 and 9.2ma Gm=2700
1 tube) 38ma Gm=7500 and 7.5ma Gm=2500
Matched on Amplitrex
1 section) Good used Ma=30-35ma and Gm=6000-7000
1 section) Good used Ma=7-9ma and Gm=2400-2500
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See more: vacuum tube
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 (PAIR) 6DN7 Philco and Tungsol by GE NOS 1960's (33ma/9.2ma and 38ma/7.5ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_d86f42cf-bac0-4084-af02-4e89408d7886.jpg?v=1712962853){kind=link}
 (PAIR) 6DN7 Philco and Tungsol by GE NOS 1960's (33ma/9.2ma and 38ma/7.5ma) "Pin It")