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

W30

Information - Help 
ID = 10448
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Developer: MO Valve Co. Ltd.; GB 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to W30
Similar Tubes
Multiple differences or of other kind:
  E993
First year 1934 -- Original-techn. papers. 70 Years of Radio Valves

Base British-7-Pin, old (M7A) (Codex=Nc) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 13 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Information source The Saga of Marconi Osram Valve   p. 149 & 335
History of the British Radio Valve to 1940   p. 148 & 196
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49

158_16.png W30: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
w30_catkin_1.png
W30: ZP
Patrice Zeissloff

More ...
Usage in Models 18= 1934 ; 1= 1935? ; 5= 1935 ; 1= 1936??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):25

Collection of

 
w30_20r.jpg

W30
 

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