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DS

Information - Help 
ID = 12679
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to DS
First year 1931 The Saga of Marconi Osram Valve
Successor Tubes DSB  
Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Filament Vf 16 Volts / If 0.25 Ampere / Indirect / Specified current DC = (Series working)
Description Gm=1.1mA/V at Va=200(max), Vs=70(max) 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   

Just Qvigstad 		d.s_osram.png
DS: osram wireless guide 1931
Giuseppe Antonio Tusini
More ...
Usage in Models 1= 1932 ; 1= 1933?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

John Koster (NL)
Tomasz Szczesniak (PL)
 
ds.png

DS
 
Forum contributions about this tube
DS
Threads: 1 | Posts: 1
Hits: 2007     Replies: 0
DS320 - Create database for DS320
Robert Sarbell † 22.3.22
24.Jan.06 		  1
DS320 - Create database for DS320 
Tube Administrators,

Please consider creating database for acorn-style DS320 . . . .used tube in the original carton (with Wa.A.207 insignia).

Respectfully,
Robert Sarbell
 
DS
End of forum contributions about this tube
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