Antique radios, Old Time Radios
AudioTron
|
Country:
United States of America (USA)
|
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| 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 |
13 Tube prices (visible for members
only)
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):43
Collection of
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Variants
on the label:
Genuine
AudioTron
(TADE MARK)
THE ORIGINAL TABULAR
VACUUM DETECTOR
Patented Nov. 7, 1905, Jan 15, 1907
Febr 18, 1908. Licenced only for Ama-
teur or experimental use in radio
communication. Other use will
be an infringement of above patents.
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