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W148

Information - Help 
ID = 19325
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Vacuum Pentode 
Identical to W148 = 7H7

Base Loctal-8, B8G (Sylvania, 1938)
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect
Literature Universal Vade-Mecum, Electron Valves and Semiconductor Devices   
 
marconi_w148.jpg
W148: my own photo
Michael Watterson

 
w148.gif
W148: Universal Vademecum, 1960
Anonymous 15 Collector

 

Usage in Models 2= 1948 ; 3= 1950?? ; 2= 1950 ; 1= 1951? ; 1= 1952? ; 4= 1954

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13


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]
  
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