(!!!!) (Best Pair #2) 71A Sylvania NOS 1946-1947 branded Hytron (23.4ma and 22ma)
$ 119.99
1 pair) 71A Sylvania NOS branded Hytron 1946-1947
1 tube) 23.4ma Gm=1700
1 tube) 22.0ma Gm=1800
Matched on Amplitrex
Vplate = 180V
Vgrid = -38V
Good Ma = 20ma
Good Gm = 1700
(71A=5V @ .25A Filament)
Typical Characteristics:
Vplate=135V, Vgrid=-27, Iplate=17.5ma, Rplate=1.82Kohms
Gm=1650, Mu=3, Rload=3Kohms, Pout=0.4watts
See more: vacuum tube
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 (Best Pair #2) 71A Sylvania NOS 1946-1947 branded Hytron (23.4ma and 22ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/3_1_7e85fe6b-e3bc-4c68-b63a-bae3e634ee76.jpg?v=1768945323){kind=link}
 (Best Pair #2) 71A Sylvania NOS 1946-1947 branded Hytron (23.4ma and 22ma) "Pin It")