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R29

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ID = 21517
       
Country:
France
Brand: Dario (tubes) - voir aussi La Radiotechnique
Tube type:  Triode, vacuum   Power/Output 
Identical to R29
First year 1924 Saga of the Vacuumtube, Tyne page 402

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Description Ähnlich mit PHILIPS C509
Röhrenbezeichnung komplett: Super Ampli R29 
 
r29_1.jpg
R29: N. Konersmann
Norbert Konersmann

 
r29_spec.png
R29: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector



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