Sonata 70
Amrad Corporation; Medford Hillside (MA)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Amrad Corporation; Medford Hillside (MA)
- Year
- 1928
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 32615
-
- alternative name: American Radio & Research
From "The Crosley Broadcaster" page 2.
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 8
- Main principle
- TRF without regeneration; 2 AF stage(s); Neutrodyne
- Tuned circuits
- 4 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 105; 115; 130 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Sonata 70 - Amrad Corporation; Medford
- Shape
- Console, Lowboy (legs < 50 %).
- Dimensions (WHD)
- 34 x 51.5 x 17 inch / 864 x 1308 x 432 mm
- Notes
-
One dial (primary tuning control knob)
- Price in first year of sale
- 475.00 $
- 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)
- Mentioned in
- Collector's Guide to Antique Radios 4. Edition
- Literature/Schematics (3)
- Amrad Folder for 1928.
- Other Models
-
Here you find 107 models, 81 with images and 43 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Amrad Corporation; Medford Hillside (MA)