(!!!!) (Good Value Pair) CX-301-A Cunningham used/good 1930 era (2.0ma and 2.0ma)
$ 59.99
1 pair) CX-301-A Cunningham used/good 1930 era in white boxes
1 tube) 2.0ma Gm=600
1 tube) 2.0ma Gm=550
Good mA range 2-3ma
NOS Gm = 700-800
Good used Gm= 500-700
(Filament=5V @ 250ma, Vplate max=135V)
- Crosley C5 1926
Class A Amplifier:
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Plate Voltage = 90
VGrid No. 1 Voltage -4.5V
Amplification Factor (mu) = 8
Plate Resistance (approx) 11Kohms
Transconductance = 725mhos
Plate Current = 2.5 mA
See more: vacuum tube
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 (Good Value Pair) CX-301-A Cunningham used/good 1930 era (2.0ma and 2.0ma) "Pin It")