- Country
- United States of America (USA)
- Manufacturer / Brand
- Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)
- Year
- 1940/1941
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 48928
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Line / Batteries (any type) / 117 ACDC / 90 / 9 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
- Material
- Leather / canvas / plastic - over other material
- from Radiomuseum.org
- Model: 57BP-1 - Motorola Inc. ex Galvin Mfg.Co
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 11.75 x 10 x 0 inch / 298 x 254 x 0 mm
- Notes
-
"Aero-Vane"-Loop Antenna. Simulated Pigskin Grain Case.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 12 = ca. 1941 and before
- Literature/Schematics (1)
- -- Original-techn. papers.
- Literature/Schematics (3)
- Motorola Folder H-201, for 1941.
- Other Models
-
Here you find 4608 models, 2967 with images and 4107 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)