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27S

Information - Help 
ID = 13448
       
Country:
United States of America (USA)
Brand:
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 27S
Similar Tubes
Normally replaceable-slightly different:
  27

Base UY-Base, 5 Pins (USA, April 1927) (Codex=H)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.7 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 108 x 45 mm / x 4.25 x 1.77 inch
Weight 48 g / 1.69 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Collector info (Sammler)   
 
sylvania_27s_jc.jpg
27S: Jim Cross collection
Fin Stewart

 
446_2.png
27S: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad

Usage in Models 2= 1932

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

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