Antique radios, Old Time Radios

AudioTron

ID = 19030

Country:

United States of America (USA)

Brand:	Cunningham Inc., E.T.; Harrison (NJ)
Developer:	Cunningham Inc., E.T.; Harrison (NJ)
Tube type:	TRIODE (Detail uncertain)
	<1925 rare.

Identical to

AudioTron

Similar Tubes

Normally replaceable-slightly different:

Electron_Audio ; LibertyValve ; Oscilaudion ; Thermotron

First year

Aug.1915 Saga of the Vacuumtube, Tyne page 160ff

Production stop

15.Oct.1920

Base	Wires
Filament	Direct / Battery =
Description	This is a double ended all glass tube with V shaped filamemt and 3 filament leads. Tubes from 1920 bear a paper label or markings etched on the glass bulb. Cunningham AudioTron: see Tyne "Saga" page 160ff: Cunningham claims first use October 1915 and first sales for August 1915 , first advertised in November 1915. Name was registered in March 1916. Text in other languages (may differ)
Dimensions (WHD) incl. pins / tip	24 x 105 x 24 mm / 0.94 x 4.13 x 0.94 inch
Weight	35 g / 1.23 oz
Tube prices	11 Tube prices (visible for members only)

AudioTron: EE
Ernst Erb

Usage in Models

1= 1916?? ; 9= 1916? ; 2= 1916 ; 9= 1917 ; 1= 1918? ; 1= 1918 ; 1= 1919?? ; 1= 1919? ; 4= 1919 ; 8= 1920 ; 2= 1921 ; 3= 1922

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):42

Collection of Ernst Erb (CH)

Collection of Otto Frosinn (D)

Collection of Bruce Morgenstern (CDN)

Collection of Geri Meier (CH)

Collection of Emilio Ciardiello (I)

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