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ID = 30529
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Diode-Pentode   RF/IF-Stage   Controlling (mu) 
Identical to MDAF40 = DAF40

Base Rimlock base B8A
Was used by Radio/TV-reception etc.
Filament Vf 1.4 Volts / If 0.025 Ampere / Direct / Battery =

Possibly not made by Marconi but imported under the Marconi label to Sweden

Dimensions (WHD)
incl. pins / tip
21 x 60 x mm / 0.83 x 2.36 x inch
Information source -- Collector info (Sammler)   
- - Manufacturers Literature   

mdaf40_so.png MDAF40: rtt
Anonymous 10 Collector

Just Qvigstad
Usage in Models 4= 1950? ; 1= 1953? ; 1= 1953

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):6

Collection of



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