Detector Two-Stage Audio Amplifier
Durham & Co., Inc.; Philadelphia; PA
- Country
- United States of America (USA)
- Manufacturer / Brand
- Durham & Co., Inc.; Philadelphia; PA
- Year
- 1922
- Category
- Radio module pre 1926 (not a part, not a key)
- Radiomuseum.org ID
- 248099
- Number of Tubes
- 3
- Main principle
- Detector with Vacuum Tube (Valve), no tuner; 2 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 Two-Stage Audio Amplifier - Durham & Co., Inc.;
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Notes
-
Vacuum tube detector and two-stage Audio frequency in a mahogany finished cabinet.
- Literature/Schematics (2)
- June, 1922 Electrical Merchandising magazine page 188
- Author
- Model page created by Alan Larsen. See "Data change" for further contributors.
- Other Models
-
Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Durham & Co., Inc.; Philadelphia; PA