Visible Type D2A Detector/2-Stage Audio Amplifier
Betts & Betts Corp.; New York City, New York
- Country
- United States of America (USA)
- Manufacturer / Brand
- Betts & Betts Corp.; New York City, New York
- Year
- 1922
- Category
- Radio module pre 1926 (not a part, not a key)
- Radiomuseum.org ID
- 196887
-
- Brand: Transcontinental
- 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
- Bakelite, TUBES VISIBLE
- from Radiomuseum.org
- Model: Visible Type D2A Detector/2-Stage Audio Amplifier - Betts & Betts Corp.; New York
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 5 x 0 x 10 inch / 127 x 0 x 254 mm
- Notes
- Betts & Betts Corporation B & B Visible Type D2A breadboard style Detector and Two-Stage Audio Amplifier.
- Price in first year of sale
- 38.50 $
- Literature/Schematics (1)
- Information taken from example of this model
- Literature/Schematics (3)
- QST (December 1922 QST page 141)
- Author
- Model page created by Alan Larsen. See "Data change" for further contributors.
- Other Models
-
Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Betts & Betts Corp.; New York City, New York
Collections
The model Visible Type D2A is part of the collections of the following members.