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ID = 80846
United States of America (USA)
Brand: Sonatron Tube Company; Chicago and New York
Developer: McCullough, Frederick, S. Co.; Wilkinsburg, later Sales Company; Pittsburg 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to X401 = 401_McCullough
Similar Tubes
Other base:

Base UX-Base (4 Pins (2 thick, USA 1924, UX) 2 Top contacts.
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Dimensions (WHD)
incl. pins / tip
x 130 x 40 mm / x 5.12 x 1.57 inch
Weight 48 g / 1.69 oz
Information source - - Manufacturers Literature   Characteristics of Sonatron tubes, undated
X401: Fin Stewart collection
Fin Stewart

X401: Fin Stewart
Fin Stewart


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