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ID = 12679
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   
DS: own collection
John Koster

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DS: osram wireless guide 1931
Giuseppe Antonio Tusini

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from Just Qvigstad

Usage in Models 1= 1932 ; 1= 1933?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Forum contributions about this tube
Threads: 1 | Posts: 1
Hits: 1505     Replies: 0
DS320 - Create database for DS320
Robert Sarbell
  1 Tube Administrators,

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

Robert Sarbell
End of forum contributions about this tube

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