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(!!!) (Recommended Pair) 30 RCA Cunningham engraved base 1930's low hours/test like new (3.3ma and 3.4ma)
(!!!) (Recommended Pair) 30 RCA Cunningham engraved base 1930's low hours/test like new (3.3ma and 3.4ma)
By Tube World
$ 34.99
1 pair) 30 RCA Cunningham engraved base 1930's low hours/test like new
1 tube) 3.3ma Gm=800
1 tube) 3.4ma Gm=900
Matched on Amplitrex
NOS Ma = 3.1ma
NOS Gm = 800-900
See more: vacuum tube
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 (Recommended Pair) 30 RCA Cunningham engraved base 1930's low hours/test like new (3.3ma and 3.4ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_28ba924c-2cef-4093-a7c2-76faaf6194d3.jpg?v=1657723810){kind=link}
 (Recommended Pair) 30 RCA Cunningham engraved base 1930's low hours/test like new (3.3ma and 3.4ma) "Pin It")