Audion Detector Professional Type
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
- 197737
-
- alternative name: Lee De Forest Mfg.
- Number of Tubes
- 2
- Valves / Tubes
- Audion_dbw Audion_dbw
- Main principle
- Detector with Vacuum Tube (Valve), no tuner
- Wave bands
- - without
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - For headphones or amp.
- Material
- Wooden case
- from Radiomuseum.org
- Model: Audion Detector Professional Type - DeForest Radio Telephone &
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Dimensions (WHD)
- 9.25 x 9 x 7 inch / 235 x 229 x 178 mm
- Notes
-
The DeForest Radio and Telegraph Co. Audion Detector was provided with two dual filament super-sensitive Audion Bulbs.
May have been advertised in a catalogue dated 1914.
- Price in first year of sale
- 100.00 $
- Literature/Schematics (1)
- Manhatten Electrical Supply Co. catalog circa 1916 page 96
- Author
- Model page created by Alan Larsen. See "Data change" for further contributors.
- Other Models
-
Here you find 158 models, 133 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