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SSI

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ID = 28786
       
Country:
Germany
Brand: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München
Tube type:  Screen-grid Tetrode   Audio Frequency 
  <1925 very rare. ***
Identical to SSI
Similar Tubes
Other base:
  SSI_G5K
First year 1917 Saga of the Vacuum Tube, Tyne page 253, 254
Predecessor Tubes SS_Siemens  
Successor Tubes 1917   SSII   SSI_G5K  

Base Telefunken 4 Pin + 1 Socket (1918)
Was used by Military and/or Government
Filament Vf 2.5 Volts / If 0.38 Ampere / Direct / Battery =
Description

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

 
Tube prices 2 Tube prices (visible for members only)
Information source Saga of the Vacuum Tube, Tyne   

ssi_sock.png SSI: Riepka, Die Röhre, 1926
Anonymous 15 Collector

ssi_spec.png
SSI: Riepka, Die Röhre, 1926
Anonymous 15 Collector

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Collection of

Collection of a member from D
Collection of a member from D
 
110_siemens_pic1.jpg

SSI
 

Forum contributions about this tube
SSI
Threads: 1 | Posts: 1
Hits: 2112     Replies: 0
SSI (SSI) Berichtigung
Hans-Thomas Schmidt
01.Aug.12
  1

Liebe Röhrenfreunde,

die SSI gab es zuerst mit dem 5poligen Liebenröhrensockel und später mit dem 5poligen Poströhrensockel. Hier sind also 2 Röhrenvarianten gemeinsam eingtragen.

Bitte durch Trennung berichtigen.

Gruß,  H.-T. Schmidt

 
SSI
End of forum contributions about this tube

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