| Identical to |
Audiotron
|
| First Series |
Aug.1915 Saga of the Vacuumtube, Tyne page 160ff |
| Production stop |
15.Oct.1920 |
|
| Base |
OTHER TUBEBASE in general
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
-: Battery = /
|
| Description |
This is a double ended all glass tube with two filaments. 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 advertise in November 1915.
Name was registered in March 1916.
Text in other
languages (may
differ)
|
| Dimensions (WHD) |
24 x 105 x 24 mm / 0.94 x 4.13 x 0.94 inch |
| Weight |
35 g / 1.23 oz |
