Audion-Ultraudion
DeForest Radio Telephone & Telegraph Co. (De Forest); New York
- Country
- United States of America (USA)
- Manufacturer / Brand
- DeForest Radio Telephone & Telegraph Co. (De Forest); New York
- Year
- 1915 ??
- Category
- Radio module pre 1926 (not a part, not a key)
- Radiomuseum.org ID
- 298661
-
- alternative name: Lee De Forest Mfg.
- Number of Tubes
- 1
- Valves / Tubes
- Audion_dbw
- Main principle
- Detector with Vacuum Tube (Valve), no tuner
- Power type and voltage
- Direct Current supply (DC)
- Loudspeaker
- - For headphones or amp.
- Material
- Wooden case, TUBES VISIBLE.
- from Radiomuseum.org
- Model: Audion-Ultraudion - DeForest Radio Telephone &
- Shape
- Tablemodel, high profile (upright - NOT Cathedral nor decorative).
- Notes
-
Für den Anschluss an eine Gleichstromzentrale (Maschine) vorgesehen, keine besondere Batterie notwendig.
- Mentioned in
- Lehrbuch der drahtlosen Telegraphie, Zenneck, 4. Aufl., 1916, S.519
- Author
- Model page created by a member from D. See "Data change" for further contributors.
- Other Models
-
Here you find 158 models, 132 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from DeForest Radio Telephone & Telegraph Co. (De Forest); New York