radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

S207

Information - Help 
ID = 27550
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Developer: Triotron (tubes) = Brand of Schrack, Austria 
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
  Ca. 1925 up to 1945 rare.
Identical to S207
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Battery =
Information source - - Manufacturers Literature   1935
s207_so.png S207: rtt
Anonymous 10 Collector

Just Qvigstad 		s207data.png
S207: own collection
Peter den Boer

Collection of

Collection of a member from D
Tomasz Szczesniak (PL)
 
s207_1.jpg

S207
 
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]
  
Data Compliance More Information