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DL3_deForest

Information - Help 
ID = 28515
       
Country:
United States of America (USA)
Brand: DeForest-Tubes
Tube type:  Triode, vacuum   Detector 
  Ca. 1925 up to 1945 rare.
Identical to DL3_deForest
Similar Tubes
Other base:
  DV3A
Other base and data slightly different:
  DV3
First year 1927 ?? Saga of the Vacuumtube, Tyne Seite 301

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 0.06 Ampere / Direct / Battery =
Description

Plate voltage 90. First made 1927 and fitted with "Isolantite" base (a type of ceramic). Discontinued 1928. The element assembly is mounted horizontally to the base.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
34 x 77 x mm / 1.34 x 3.03 x inch
Tube prices 1 Tube prices (visible for members only)
Literature Saga of the Vacuumtube, Tyne   page 301
 
dl3_deforest.jpg
DL3_deForest: My Collection
Wolfgang Thiel

 
deforest_dl3_sock.png
DL3_deForest: O.F.
Otto Frosinn

 


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