radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

439_Sparton

Information - Help 
ID = 68748
       
Country:
United States of America (USA)
Brand: Sparton-Cardon Tubes; Jackson MI
Tube type:  Vacuum Pentode   RF/IF-Stage 
  Ca. 1925 up to 1945 rare.
Identical to 439_Sparton
Similar Tubes
Normally replaceable-slightly different:
  39

Base UY-Base, 5 Pins (USA, April 1927)
Filament Vf 6.3 Volts / If 0.3 Ampere
Information source - - Manufacturers Literature   

239_pins~~1.gif 439_Sparton: Fin Stewart
Fin Stewart


Just Qvigstad
439.png
439_Sparton: own collection
Peter den Boer

 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information