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MEF5

Information - Help 
ID = 30272
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to MEF5 = EF5
Successor Tubes MEF9  

Base Europe side contact base P (P8A)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC
Description

Found in Radiola Set - Imported Tube

 
Literature -- Collector info (Sammler)   
 
mef5.jpg
MEF5: RADIOLA 384V
Lars-G. Lundelin

 
mef5_so.png
MEF5: rtt
Michael Schlör

 

Usage in Models 1= 1937 ; 3= 1938 ; 1= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of a member from FIN

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