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Pen45DD

Information - Help 
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 / Parallel, (AC/DC)
Description Double-diode, Beam Tetrode. Va & Vg2 <250V; gm =9mA/V. Pout 4.85W. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
mazda_pen45dd.jpg
Pen45DD: Howard Craven
Howard Craven

 
618.png
Pen45DD: Telefunken Werkstattbuch
Wolfgang Bauer

 
pen45dd_mazda_data_01.png
Pen45DD: Original data sheet
Michael Poll


Usage in Models 2= 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):20


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