Log-in
(!!!) (BEST SINGLE) UX-201-A RCA Radiotron Balloon NOS 1930 era (4.2ma and Gm=900)

(!!!) (BEST SINGLE) UX-201-A RCA Radiotron Balloon NOS 1930 era (4.2ma and Gm=900)

$ 59.99

UX-201-A RCA Radiotron Balloon NOS 1930 era with tube data sheet

4.2ma

Gm=900

 

NOS Ma = 2.5-3ma+

NOS Gm = 800-900

 

(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