- Country
- United States of America (USA)
- Manufacturer / Brand
- Goodrich, B.F.; Akron,Ohio
- Year
- 1940 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 43250
-
- Brand: Mantola
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Dry Batteries / 1,5 & 90 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- from Radiomuseum.org
- Model: R-428 - Goodrich, B.F.; Akron,Ohio
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 12 = ca. 1941 and before
- Other Models
-
Here you find 112 models, 60 with images and 102 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Goodrich, B.F.; Akron,Ohio