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55S

Information - Help 
ID = 13461
       
Country:
Canada
Brand:
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to 55S
Similar Tubes
Other shape (e.g. bulb type):
  55
Other class quality (otherwise equal):
  NU-55

Base 6-Pin-Base U6A, old, USA (Codex=Ka) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description The shield on this tube is metallised paint. Replacement tubes made by National Union, Raytheon and Sylvania utilised a sheet metal shield. 
Dimensions (WHD)
incl. pins / tip
x 118 x 34 mm / x 4.65 x 1.34 inch
Weight 40 g / 1.41 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
55s_rogers_img_01_rmf.jpg
55S: My Collection
Bruce Morgenstern

 
461_2.png
55S: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad

Usage in Models 1= 1932?? ; 2= 1932 ; 1= 1933?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4


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