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ID = 7436
United States of America (USA)
Brand: Sparton-Cardon Tubes; Jackson MI
Developer: Sparton-Cardon Tubes; Jackson MI 
Tube type:  Triode, vacuum   Power/Output 
Identical to 181 = C-181 = RayX-281 = SLX281 = RYB281 = PA281 = MX281 = C-281 = AC281 = TX181 = SX-281 = G81 = PR281
Successor Tubes SLX281  

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bn) 2 Sidecontacts.
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 1.35 Ampere / Indirect / Specified voltage AC/DC

see Radio College of Canada, Sparton Tube Characteristics.

Dimensions (WHD)
incl. pins / tip
x x 54 mm / x x 2.13 inch
Information source Taschenbuch zum Röhren-Codex 1948/49   - (Sockelschaltbild in Codex falsch !)
Saga of the Vacuum Tube, Tyne   p.353 for Cardon

cardonbase~~1.gif 181: KoBi
Konrad Birkner † 12.08.2014

Just Qvigstad
181: own collection
Peter den Boer



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