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

UBL21(N)

Information - Help 
ID = 69165
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Double Diode-Pentode   Power/Output 
Identical to UBL21(N)
Similar Tubes
Normally replaceable-slightly different:
  UBL21

Base Loctal-8, B8G (Sylvania, 1938)
Was used by Radio/TV-reception etc.
Filament Vf 55 Volts / If 0.1 Ampere / Indirect / Specified current AC/DC ~ = (Series working)


Just Qvigstad

Collection of

 
protect_path2~~2.jpg

UBL21(N)
 

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