- Country
- United States of America (USA)
- Manufacturer / Brand
- United American Bosch (Magneto Corporation); Springfield (MA)
- Year
- 1933
- Category
- Car Radio, perhaps also + sound player/recorder
- Radiomuseum.org ID
- 63969
-
- alternative name: American Bosch Magneto
- Brand: Essex
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Number of Transistors
- Semiconductors
- Vibrator
- Main principle
- Superhet with RF-stage; ZF/IF 456 kHz
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Storage Battery for all (e.g. for car radios and amateur radios) / =6 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Metal case
- from Radiomuseum.org
- Model: 140A - United American Bosch Magneto
- Shape
- Chassis only or for «building in»
- Dimensions (WHD)
- 9.5 x 8.875 x 7.125 inch / 241 x 225 x 181 mm
- Notes
-
AVC. Vibrator for +B. Single unit with tubeless B battery eliminator. Dash remote.
Factory price $47.95
- Price in first year of sale
- 79.25 $
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 4 = ca. 1934 and before
- Mentioned in
- -- Original prospect or advert
- Literature/Schematics (1)
- Rider's Perpetual, Volume 4 = ca. 1934 and before (4-3)
- Other Models
-
Here you find 414 models, 165 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)