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ID = 67123
United States of America (USA)
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to 4600 = 2976 = 4601_WLS = UX201A = C301A = 201A = 01A
Similar Tubes
Normally replaceable-slightly different:

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =

Page no 671 of the fall 1928 issue of the Sears Roebuck catalog announces a new catalog number series for radio tubes, 46XX, replacing the earlier 29XX series. The company sold the standard range of US designed and made tubes and these were made by a few small manufacturers. The "WLS" (Worlds Largest Store) brand was either hot branded into the base of these tubes or a paper label on the glass. Tubes brands in this series were not included in the cataog with the exception of the 4601, which is a Solartron. The 4600 was also listed in the Spring 1929 catalog. The Fall 1929 catalog has an entirely new catalog number and the 4600 became the 57T201A.

Dimensions (WHD)
incl. pins / tip
110 x 44 x 35 mm / 4.33 x 1.73 x 1.38 inch
Weight 47 g / 1.66 oz
Information source Tube Lore (I)   page 16.
Sears, Roebuck Catalogs (Silvertone)   fall 1928 page 671

uxsockel_11~~15.png 4600: Fin Stewart
Fin Stewart

Just Qvigstad

Collection of



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