radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

WLS581

Information - Help 
ID = 67162
       
Country:
United States of America (USA)
Brand: WLS (tubes), World's Largest Store - see also Sears, Roebuck & Co; Chicago, IL
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 very rare. ***
Identical to WLS581 = 4619_WLS = CX381 = 57T281
Similar Tubes
Normally replaceable-slightly different:
  R81 ; UX281

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Filament Vf 7.5 Volts / If 1.2 Ampere / Direct
Description

Made for Sears Roebuck - "The Worlds Largest Store"

 
Information source Tube Lore (I)   page 16.
 
81~~2.png
WLS581: Fin Stewart
Fin Stewart

 

from Just Qvigstad

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg