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MEF9

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ID = 66151
       
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 MEF9 = EF9
Predecessor Tubes MEF5  

Base Europe side contact P8A (Au P, 8SC) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC
Description

Red series

 
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Information source


Just Qvigstad

Collection of

 
mef9_marconi.jpg

 

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