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(!!) (Good Value Pair) CX-71A and 71A RCA/Cunningham Balloon used/good 1930 era (21ma and 18.5ma) (same Gm)
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(!!) (Good Value Pair) CX-71A and 71A RCA/Cunningham Balloon used/good 1930 era (21ma and 18.5ma) (same Gm)
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(!!) (Good Value Pair) CX-71A and 71A RCA/Cunningham Balloon used/good 1930 era (21ma and 18.5ma) (same Gm)1 pair) UX CX 71A and 71A RCA Cunningham Balloon used good 1930 era in white boxes 1 tube) 21. 0mA Gm=1700 (71A RCA) 1 tube) 18. 5mA Gm=1700 (CX 71A Cunningham) (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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1 pair) UX-CX-71A and 71A RCA/Cunningham Balloon used/good 1930 era in white boxes
1 tube) 21.0mA Gm=1700 (71A RCA)
1 tube) 18.5mA Gm=1700 (CX-71A Cunningham)
(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)
(!!) (Good Value Pair) CX-71A and 71A RCA/Cunningham Balloon used/good 1930 era (21ma and 18.5ma) (same Gm)
Item no
:
78323479020
US$ 89.99
Pay in 4 interest-free payments of $22.50 Learn more
Min. order:
1piece
Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
US$40
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