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LS6A

Country:  Great Britain (UK)      Brand:  MO Valve Co. Ltd.; GB 
  Tube type:  Triode, vacuum   Power/Output 
Tube ID = 17766
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Identical to LS6A = CV3541
First Source (s) 1929 : The Saga of Marconi Osram Valve – (B Vyse and G Jessop 2000)

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 6 Volts / If: 1.6 Ampere / -: Direct / -: Parallel, (AC/DC) /
Description Power output triode. Mu 2.5; 25W anode dissipation; up to 62.5mA anode current into 1350 ohms load, with 400V anode voltage and 128V negative grid bias.

A later, improved version has a filament current of 2A. 

Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Data from my own collection   
- - Manufacturers Literature

marconiosramls6a.jpg
LS6A: ebay
Uwe Rössler

 
ls.6a_osram.png
LS6A: osram wireless guide 1931
Giuseppe Antonio Tusini


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