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SO-1

Information - Help 
ID = 16392
       
Country:
United States of America (USA)
Brand: Sonora Tube Co.; Chicago, IL
Developer: Arcturus Radio Tube Co.; Newark, NJ 
Tube type:  Triode, vacuum   Power/Output 
Identical to SO-1 = 40_Arcturus = AC-40

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bn)
Was used by Radio/TV-reception etc.
Filament Vf 15 Volts / If 0.4 Ampere / Half indirect
Description

The Sonora tube SO-1 (wrong = SO1, S01) is an Arcturus AC40 power tube (40_Arcturus) labeled for Sonora - one of the 15 volt heater tubes wityh a carbon filament. This voltage was chosen by the manufacturer to make use of the availability of 15 volt AC transformers for use in toy trains.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
x 123 x 45 mm / x 4.84 x 1.77 inch
Weight 49 g / 1.73 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
so-1sonora-arcturus_1_klein.jpg
SO-1
Geri Meier

 
so1_sock.png
SO-1: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 

Usage in Models 2= 1928 ; 1= 1929?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3


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