- Country
- United States of America (USA)
- Manufacturer / Brand
- Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
- Year
- 1928
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 38161
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 10
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown)
- Wave bands
- Broadcast only (MW).
- Details
- Record Player (perh.Changer)
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- from Radiomuseum.org
- Model: R1 & A - Electrical Research
- Notes
- Push-pull af output stage;
This model is a combination of the "R1" rf-unit and the "A" af-unit.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
- Other Models
-
Here you find 133 models, 47 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Electrical Research Laboratories Inc. (Erla); Chicago, Illinois