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ID = 13570
United States of America (USA)
Brand: Sparton-Cardon Tubes; Jackson MI
Developer: Sparton-Cardon Tubes; Jackson MI 
Tube type:  Triode, vacuum   Universal 
Identical to 486
Similar Tubes
Normally replaceable-slightly different:
Other base:
First year 1930 ?? Equasonne type 39 and 49, replacement tube.
Predecessor Tubes C-686  

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Um)
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 0.25 Ampere / Direct / Battery =

The Sparton type 486 was the replacement of one of the first tubes used for the Equasonne line, the C-686. We can assume that the type 486 was designed in 1930 or later. Both were used for the Equasonne types 39 and 49, but even in saison 1929/30, the C-686 was used as original tube. See also Rider's volume 5, page Sparton 5-6. The tube 486 page 63 in "Röhren-Codex 1948 is something else! Arcturus made the tube, with "daylight" blue glass and it was double branded 686 and A-486.

Dimensions (WHD)
incl. pins / tip
x 108 x 45 mm / x 4.25 x 1.77 inch
Weight 50 g / 1.76 oz
Information source Tube Lore (II)   p. 35
- - Manufacturers Literature   
-- Collector info (Sammler)
Taschenbuch zum Röhren-Codex 1948/49

486_686base.png 486: own collection
Peter den Boer

Just Qvigstad
486: own collection
Peter den Boer

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