(!!!!) (Best Pair #2) 71A Sylvania NOS 1946-1947 branded Hytron (23.4ma and 22ma)
$119.99
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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
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$109.99
$119.99
(+$10)