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C-485

Information - Help 
ID = 59438
       
Country:
United States of America (USA)
Brand: Sparton-Cardon Tubes; Jackson MI
Developer: Sparton-Cardon Tubes; Jackson MI 
Tube type:  Triode, vacuum   RF/IF-Stage 
Identical to C-485
Similar Tubes
Normally replaceable-slightly different:
  484 ; 485_Sparton ; C-484
First year 1928 For the Equasonne circuits
Predecessor Tubes C-484A   C-484_Cardon  
Successor Tubes 485_Sparton  

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 1.25 Ampere / Indirect / Parallel, (AC/DC)
Description

This tube was designed by Sparton-Cardon for the Equasonne circuit in 1928. It was soon replaced by the 485_Sparton. See also C-484 and 484, all from Sparton-Cardon. See Rider's Sparton page 5-6 from August 1934. There is also a list of the models which used such tubes and can be found on the manufacturer page for Sparks-Withington, USA.

 
 
p1030253.jpg
C-485: MG
Mike Goldberg

 
484a~~4.png
C-485: Manufacturer's Literature
Emilio Ciardiello

 
485data.png
C-485: own collection
Peter den Boer


Usage in Models 7= 1928 ; 6= 1930 ; 5= 1931

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):18


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