radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

50R4

Information - Help 
ID = 19947
       
Country:
Italy
Brand: Magnadyne Radio; Torino
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to 50R4
Similar Tubes
Other shape (e.g. bulb type):
  50S4

Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Radio/TV-reception etc.
Filament Vf 50 Volts / If 0.15 Ampere / Indirect / Series, AC/DC
 
50r4.jpg
50R4: Dalla mia collezione
Alessandro Santinelli

 
50r4.gif
50R4
Giuseppe Feniello

 
50r4_data.png
50R4: Magnadyne tube manual
Giuseppe Feniello


from Just Qvigstad

Usage in Models 2= 1953?? ; 1= 1954?? ; 9= 1955?? ; 10= 1955 ; 1= 1956?? ; 7= 1956 ; 1= 1957?? ; 8= 1957 ; 3= 1958?? ; 3= 1958? ; 2= 1958 ; 2= 1959??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):49


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]
  
rmXorg