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Dn154_4pin

Information - Help 
ID = 80831
       
Country:
Netherlands
Brand: Radio-Record - Röhrenmarke; Holland
Developer: Radio-Record - Röhrenmarke; Holland 
Tube type:  Triode, vacuum   Detector 
  Ca. 1925 up to 1945 rare.
Identical to Dn154_4pin
Similar Tubes
Other base:
  Dn154
First Source (s)
1929 : Radio-Expres, Netherlands

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Sidecontact.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description

Gm=1.5 at Va=200. Rint=10k (Radio-Expres 1930). Also with B5 base.

 
Dimensions (WHD)
incl. pins / tip
44 x 110 x 33 mm / 1.73 x 4.33 x 1.30 inch
Weight 44 g / 1.55 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
Radio-Expres, Netherlands   
- - Manufacturers Literature
 
dn154.jpg
Dn154_4pin: Private collection
Paul Cornelissen

 
m_3.png
Dn154_4pin
Peter den Boer

 

from Just Qvigstad


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