- Country
- United States of America (USA)
- Manufacturer / Brand
- Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
- Year
- 1931/1932
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 18605
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Main principle
- Superhet with RF-stage; ZF/IF 175 kHz; Screengrid 1926-1935
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 81-P Ch= 248 - Electrical Research
- Shape
- Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).
- Notes
- [3331444-1328]
- Price in first year of sale
- 580.00 SFR
- External source of data
- E. Erb 3-907007-36-0
- Other Models
-
Here you find 134 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