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1A2_1R5

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ID = 31865
       
Country:
Japan
Brand: Common type Japan tube/semicond.
Tube type:  Pentagrid-Converter (Heptode) 
Identical to 1A2_1R5 = DK91 = 1R5 = X17

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery =
 
japan_1a2.jpg
1A2_1R5: W.E.
Wolfgang Eckardt

 
japan_1a2.gif
1A2_1R5: Beier, RTB 1965
Wolfgang Eckardt

 

Usage in Models 1= 1999??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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