Log-in
(!!) (Best Single) UX-201-A Radiotron Balloon used/tests like new brass pins 1930 era (4.4ma and Gm=800)

(!!) (Best Single) UX-201-A Radiotron Balloon used/tests like new brass pins 1930 era (4.4ma and Gm=800)

By Tube World

$ 39.99

UX-201-A Radiotron Balloon used/tests like new brass pins 1930 era

4.4ma

Gm=800

 

NOS Ma = 3ma

NOS Gm = 900

 

(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

See more: vacuum tube
Scroll to top