Detector and One Stage Amplifier SP-3
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
- 1921
- Category
- Radio module pre 1926 (not a part, not a key)
- Radiomuseum.org ID
- 201523
-
- alternative name: Lee De Forest Mfg.
- Number of Tubes
- 2
- Main principle
- Detector with Vacuum Tube (Valve), no tuner; 1 AF stage(s)
- Wave bands
- - without
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: Detector and One Stage Amplifier SP-3 - DeForest Radio Telephone &
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Dimensions (WHD)
- 6.5 x 7.4 x 0 inch / 165 x 188 x 0 mm
- Notes
- The De Forest Type SP-3 vacuum tube detector cabinet with one-stage audio amplifier.
- Net weight (2.2 lb = 1 kg)
- 7 lb (7 lb 0 oz) / 3.178 kg
- Literature/Schematics (1)
- Deforest Radio Equipment Catalog H page 8
- Author
- Model page created by Alan Larsen. 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
Collections
The model Detector and One Stage Amplifier is part of the collections of the following members.