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 Vacuum Tube, 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	12 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 ; 9= 1920 ; 2= 1921 ; 3= 1922

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):43

Collection of Ernst Erb (CH)

Collection of Otto Frosinn (D)

Collection of Emilio Ciardiello (I)

Collection of Peter den Boer (NL)

Collection of Geri Meier (CH)

Collection of Bruce Morgenstern (CDN)

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