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DE-1

Information - Help 
ID = 7715
       
Country:
United States of America (USA)
Brand: Sonora Tube Co.; Chicago, IL
Developer: Arcturus Radio Tube Co.; Newark, NJ 
Tube type:  Triode, vacuum   Universal 
Identical to DE-1 = 27 = UY227 = C327 = 427 = 127 = 227 = P227_USA

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Parallel, (AC/DC)
Description

Im Codex fälschlicherweise als DE1 erwähnt. Kommt nur in Sonora-Radios vor.

 
Dimensions (WHD)
incl. pins / tip
x 114 x 45 mm / x 4.49 x 1.77 inch
Weight 49 g / 1.73 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
  27~~1.png
  DE-1: Courtesy Bureau Belper (De Muiderkring, Bussum)
Michael Schlör
 
arcturus_type_de1.jpg
DE-1: Bill Condon collection, with kind permission of Mrs V Condon
Fin Stewart

 
446_15.png
DE-1: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad

Usage in Models 5= 1928 ; 1= 1929?? ; 1= 1929?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7

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