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(!!) (Good Value Pair) UX-171A and CX-371A RCA/Cunningham Balloon used/good 1930 era (18ma and 17.6ma) (same Gm)
(!!) (Good Value Pair) UX-171A and CX-371A RCA/Cunningham Balloon used/good 1930 era (18ma and 17.6ma) (same Gm)
$ 84.99
1 pair) UX-171A and CX-371A RCA/Cunningham Balloon used/good 1930 era same build in white boxes
1 tube) 17.6mA Gm=1600 (CX-371A)
1 tube) 18.0mA Gm=1600 (UX-171A)
(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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 (Good Value Pair) UX-171A and CX-371A RCA/Cunningham Balloon used/good 1930 era (18ma and 17.6ma) (same Gm)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_341ffed5-14ea-4983-adf6-91e3ef924b49.jpg?v=1751913830){kind=link}
 (Good Value Pair) UX-171A and CX-371A RCA/Cunningham Balloon used/good 1930 era (18ma and 17.6ma) (same Gm) "Pin It")