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DL

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ID = 11152
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to DL = DP = VT85_GPO = CV1661
First year 1931 The Saga of Marconi Osram Valve – (B Vyse and G Jessop 2000)

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

This tube is a low impedance small output type for low frequency amplification and oscillation.

 
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
Babani, International Radio Tube Encyclopaedia

 
dl_osram.jpg
DL: osram wireless guide 1931
Giuseppe Antonio Tusini

 
4608~~1.png
DL: Fin Stewart
Fin Stewart

 
d.l_osram.png
DL: osram wireless guide 1931
Giuseppe Antonio Tusini


Usage in Models 8= 1932
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8

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