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Pen45DD

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ID = 12865
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Double Diode-Tetrode 
Identical to Pen45DD

Base Octal-8 GB, (Mazda), K8B, MO (Codex=Vg)
Filament Vf 4 Volts / If 2 Ampere / Indirect / Specified voltage AC/DC
Description Double-diode, Beam Tetrode. Va & Vg2 <250V; gm =9mA/V. Pout 4.85W. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   

618.png Pen45DD: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
pen45dd_mazda_data_01.png
Pen45DD: Original data sheet
Michael Poll

More ...
Usage in Models 5= 1939?? ; 5= 1939 ; 1= 1942?? ; 2= 1945 ; 6= 1946 ; 1= 1947 ; 1= 1948 ; 2= 1949

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23

Collection of

 
mazda_pen45dd.jpg

Pen45DD
 

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