- Country
- United States of America (USA)
- Manufacturer / Brand
- United American Bosch (Magneto Corporation); Springfield (MA)
- Year
- 1936
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 64129
-
- alternative name: American Bosch Magneto
- Brand: Essex
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Number of Transistors
- Semiconductors
- K55C
- Main principle
- Superheterodyne (common); ZF/IF 465 kHz
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast (MW) and Tropical/Marine/Police Band(s) = 150-200m.
- Power type and voltage
- AC/DC-set / 115 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Power out
- 1.5 W (unknown quality)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 604B - United American Bosch Magneto
- Shape
- Tablemodel without push buttons, Mantel/Midget/Compact up to 14
- Dimensions (WHD)
- 10.5 x 7.5 x 6 inch / 267 x 191 x 152 mm
- Net weight (2.2 lb = 1 kg)
- 9 lb (9 lb 0 oz) / 4.086 kg
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 8 = 1937 and before
- Literature/Schematics (1)
- Riders 8-7, 8
- Other Models
-
Here you find 415 models, 166 with images and 275 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)