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Zwilling_N/N

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ID = 47328
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Double Triode   Audio Frequency 
Identical to Zwilling_N/N

Filament Vf 3.8 Volts / If 0.12 Ampere / Direct / Battery =
Description Doppelröhre für zweifach NF-Verstärkung. 8-10 mA bei Ua 20-100 V. Preis 12,50 RM. 
Information source Bastelbriefe der Drahtlosen   1927, H.5
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valvozwillingnn_umgebungsschaltbild.gif
Zwilling_N/N: Valvo Datenbuch 1927
Gerhard Eisenbarth

valvozwillingnn_daten.png
Zwilling_N/N: Der Funkbastler 1927
Gerhard Eisenbarth

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