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(!!) (Best Value Pair) 45 RCA Radiotron 1930's - 1940's used/good/70-75% (19ma and 20.2ma) (good sonics)
(!!) (Best Value Pair) 45 RCA Radiotron 1930's - 1940's used/good/70-75% (19ma and 20.2ma) (good sonics)
$ 99.99
1 pair) 45 RCA Radiotron 1930's - 1940's used/good in white boxes
same plate style - different top mica shapes
1 tube) 20.2ma Gm=1350 (75%) 1940 era printed base
1 tube) 19.0ma Gm=1300 (70%) 1930's engraved base
- sound nice in SET amp
Tested on Amplitrex
Vplate=275V
Vgrid=-54.8V
Good used ma 25-30ma
Good used Gm 1500-1800
Recommended for
Tektron
Deja Vu
Victor RE-36 1929
DIY
See more: vacuum tube
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 (Best Value Pair) 45 RCA Radiotron 1930's - 1940's used/good/70-75% (19ma and 20.2ma) (good sonics)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/4_eded1636-5522-456a-9386-e0eb3070ff15.jpg?v=1778612979){kind=link}
 (Best Value Pair) 45 RCA Radiotron 1930's - 1940's used/good/70-75% (19ma and 20.2ma) (good sonics) "Pin It")