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ID = 30452
Brand: Loewe-(Opta); Deutschland
Developer: Loewe-(Opta); Deutschland 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to LA186
Similar Tubes
Normally replaceable-slightly different:
  4K60 ; D404 ; KL71414 ; LK460 ; P460 ; PX460 ; RE604

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.65 Ampere / Direct / Specified voltage AC/DC

Bemerkenswert ist bei dieser Röhre das schräg eingebaute System mit sehr langer Anode und die ungewöhnlich dunkle Glühfarbe der Heizfäden.

Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 111

b4_triode~~12.png LA186: Fin Stewart
Fin Stewart

Just Qvigstad

Collection of

Collection of a member from D


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