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MDK40

Information - Help 
ID = 30528
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  OCTODE   Frequency converter 
Identical to MDK40 = DK40

Base Rimlock base B8A
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery =
Description Possibly not made by Marconi but imported under the Marconi label to Sweden 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
21 x 60 x mm / 0.83 x 2.36 x inch
Information source - - Manufacturers Literature   
 
mdk40.jpg
MDK40: ep
Eduard Pavlik

 
mdk40_so.png
MDK40: rtt
Michael Schlör

 

from Just Qvigstad

Usage in Models 3= 1950? ; 1= 1953? ; 1= 1953

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


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