(!!!) CX-301-A Cunningham NOS 1930 era (2.6ma Gm=800)
$ 54.99
CX-301-A Cunningham NOS original box - missing end flap
2.6ma
Gm=800
Good Ma range 2-3ma
NOS Gm = 800+
(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
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