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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 = AC-40 = 40_Arcturus
Similar Tubes
Normally replaceable-slightly different:
  A40

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 with 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
Information source Tube Lore (II)   p.35
-- Collector info (Sammler)   
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

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


Just Qvigstad
Usage in Models 2= 1928 ; 1= 1929?

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

Collection of

 
arcturus_so1_bm.jpg

SO-1
 

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