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SSIII

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ID = 28788
       
Country:
Germany
Brand: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München
Tube type:  Screen-grid Tetrode   Audio Frequency 
  <1925 very rare. ***
Identical to SSIII = 114
First year 1917 Saga of the Vacuum Tube, Tyne page 253, 254
Predecessor Tubes SSII  

Base EU-Telephone 5-pin (G5K)
Was used by Military and/or Government
Filament Vf 3.2 Volts / If 0.55 Ampere / Direct / Battery =
Description

100fache Verstärkung.
Das Schirmgitter -zwischen Steuergitter und Anode- soll die unerwünschte Anodenrückwirkung reduzieren. Es wurde damals Schutznetz genannt.

 
Information source Saga of the Vacuum Tube, Tyne   


Just Qvigstad
ssiii_spec.png
SSIII: Riepka, Die Röhre, 1926
Anonymous 15 Collector

Collection of

Collection of a member from D
 
screenshot_20220611_135850_gallery.jpg

SSIII
 

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