radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

201B_RRF

Information - Help 
ID = 21301
       
Country:
Germany
Brand: Radioröhrenfabrik GmbH (RRF) Hamburg - siehe auch Valvo
Tube type:  Triode, vacuum   Power/Output 
Identical to 201B_RRF
Similar Tubes
Other base:
  201B_Spez-Sockel

Base Europe 4-Pin (A, 4A, B4, since 1914)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.32 Ampere / Direct / Battery =
Description

Wurde als "Valvo Lautsprecher 201 B" angeboten. Siehe Inserat beim Hersteller.

 
Tube prices 1 Tube prices (visible for members only)
Literature Saga of the Vacuumtube, Tyne   pp.453,454
Katalog Grüner 1926/27.   
Vox-Haus, Katalog 1926/1927
 
d_valvo_201b.jpg
201B_RRF: © Museum der Experimentalphysik, Innsbruck
Heribert Jung

 
sock_3.gif
201B_RRF: eBay
Dietmar Lechner

 
201b_rrf.png
201B_RRF: Die Röhre, H. C. Riepka, 1926
Gerhard Eisenbarth


Usage in Models 1= 1926

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



You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg