Short Wave Coupler Set Cat. No. 4
Tri-City Radio Supply Co. (Tresco); Davenport, Iowa
- Country
- United States of America (USA)
- Manufacturer / Brand
- Tri-City Radio Supply Co. (Tresco); Davenport, Iowa
- Year
- 1921/1922
- Category
- Radio module pre 1926 (not a part, not a key)
- Radiomuseum.org ID
- 321332
- Main principle
- Tuner pre 1926 (not a wave trap)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- Material
- Wooden case
- from Radiomuseum.org
- Model: Short Wave Coupler Set Cat. No. 4 - Tri-City Radio Supply Co.
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Notes
-
Tresco Short Wave Coupler Set three-circuit tuner with two variometers and a variocoupler made like the Adams Morgan Paragon RA6. Catalog No. 4
Can be used with either crystal or audion for wireless phone reception.
Wavelength Range: 200 to 600 meters
- Net weight (2.2 lb = 1 kg)
- 15 lb (15 lb 0 oz) / 6.810 kg
- Price in first year of sale
- 43.00 $
- Mentioned in
- - - Manufacturers Literature (1921-1922 Tresco Radio Apparatus catalog page 4)
- Author
- Model page created by Alan Larsen. See "Data change" for further contributors.
- Other Models
-
Here you find 80 models, 53 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Tri-City Radio Supply Co. (Tresco); Davenport, Iowa