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PLAV9A

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ID = 37601
       
Country:
Germany
Brand: Huth, Signalbau AG, Dr. Erich F. Huth (Signalbau Huth); Berlin später auch Hannover
Developer: Huth, Signalbau AG, Dr. Erich F. Huth (Signalbau Huth); Berlin später auch Hannover 
Tube type:  Triode, vacuum 
  <1925 very rare. ***
Identical to PLAV9A = P1AV9
Similar Tubes
Other base:
  PLAV9D ; PLAV9H ; PLAV9S ; Plation

Filament Vf 1.25 Volts / If 0.08 Ampere / Direct / Battery =
Description This gridless triode was developed so as not to infringe with the Lee de Forest patent (owner RCA) on the control grid. Instead, the plate close to the filament has influence on the electron flow towards the other plate (anode). 
Text in other languages (may differ)
Information source -- Original prospect or advert   

plav9_spec.png
PLAV9A: Riepka, Die Röhre, 1926
Anonymous 15 Collector

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Collection of

 
screenshot_20220626_200550_gallery.jpg

PLAV9A
 

Forum contributions about this tube
PLAV9A
Threads: 1 | Posts: 1
Hits: 1672     Replies: 0
PLAV9A (PLAV9A)
Otmar Jung
13.Nov.08
  1

Dankenswerterweise hat Herr Eckhard Kull den folgenden Auszug aus der Firmen-Zeitschrift der Fa. Huth "Die Antenne", Heft 1, 1924, zur Verfügung gestellt. Darin werden die Huth-Platione beschrieben.

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PLAV9A
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