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OeconomW

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ID = 14589
       
Country:
Germany
Brand: Radioröhrenfabrik GmbH (RRF) (CHF Müller // RRF // Valvo); Hamburg
Tube type:  Triode, vacuum 
Identical to OeconomW

Filament Vf 2 Volts / If 0.03 Ampere / Direct
Description Die Röhre wird auch als Ökonom W bezeichnet. 
Information source Taschenbuch zum Röhren-Codex 1948/49   

Usage in Models 1= 1925? ; 1= 1931??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

Collection of a member from D
 
valvo_oeconom_w.jpg

OeconomW
 

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