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DS

Country:  Great Britain (UK)      Brand:  MO Valve Co. Ltd.; GB 
  Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Tube ID = 12679
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Identical to DS
Successor Tubes DSB  

Base Europe 5-Pin (O5A, B5)
Was used by Radio/TV-reception etc.
Filament Vf 16 Volts / If: 0.25 Ampere / -: Indirect / -: Series, DC /
Description Gm=1.1mA/V at Va=200(max), Vs=70(max) 
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   

ds_osram.jpg
osram wireless guide 1931
Giuseppe Antonio Tusini

 
d.s_osram.png
osram wireless guide 1931
Giuseppe Antonio Tusini

Usage in Models (calculation each 25th of the month)   1= 1932 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   1
Further Information for

DS    

DS320 - Create database for DS320  (24.01.2006) Robert Sarbell Clicks: 145     Replies: 0
Tube Administrators, Please consider creating database for acorn-style DS320 . . . .used tube in the original carton (with Wa.A.207 insignia). Respectfully, Robert Sarbell
 
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