- Country
- United States of America (USA)
- Manufacturer / Brand
- Colonial Radio Co.; Long Island and Buffalo, NY
- Year
- 1927
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 35530
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- TRF without regeneration
- Tuned circuits
- 3 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Direct Current supply (DC) / 110 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: 28 DC - Colonial Radio Co.; Long
- Shape
- Tablemodel, with any shape - general.
- Notes
- One dial (primary tuning control knob)
- Price in first year of sale
- 167.00 $
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Circuit diagram reference
- Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
- Literature/Schematics (1)
- Radio Set Socket Layout 1921 to 1935, RCA
- Other Models
-
Here you find 165 models, 74 with images and 131 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Colonial Radio Co.; Long Island and Buffalo, NY