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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)
$ 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