- Country
- United States of America (USA)
- Manufacturer / Brand
- United American Bosch (Magneto Corporation); Springfield (MA)
- Year
- 1930
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 18310
-
- alternative name: American Bosch Magneto
- Brand: Essex
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); Screengrid 1926-1935
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 105 - 125 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 58 AC - United American Bosch Magneto
- Shape
- Console with any shape - in general
- Notes
- 5 tuned circuits: 3 RF stages and the first bandfilter, then transformer coupling then bandfilter and at last 1 single tuned circuit, detection, AF and push-pull. See also 58A and 58B (Collector's guide).
- Price in first year of sale
- 390.00 SFR
- External source of data
- E. Erb 3-907007-36-0
- Source of data
- Collector's Guide to Antique Radios (6th edition)
- Circuit diagram reference
- Die «Thali Schemasammlung» führt das Modell.
- Literature/Schematics (1)
- Rider's Perpetual, Volume 1 = 1931/1934 (1919 to 1931)
- Other Models
-
Here you find 414 models, 163 with images and 272 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from United American Bosch (Magneto Corporation); Springfield (MA)