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(!!!!) (Best Single) CX-301-A Cunningham NOS 1930 era (3.3ma Gm=800)

(!!!!) (Best Single) CX-301-A Cunningham NOS 1930 era (3.3ma Gm=800)

By Tube World

$ 59.99

CX-301-A Cunningham NOS original box with data sheet

3.3ma

Gm=800

 

Good Ma range 2-3ma

NOS Gm = 800+

 

(Filament=5V @ 250ma, Vplate max=135V)


- Crosley C5 1926

 

Class A Amplifier:

-----------------
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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