- Country
- United States of America (USA)
- Manufacturer / Brand
- Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)
- Year
- 1941/1942
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 49258
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 8
- Main principle
- Superhet with RF-stage; ZF/IF 455 kHz
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast, Short Wave(s) and Police.
- Power type and voltage
- Alternating Current supply (AC) / 117 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm
- Material
- Wooden case
- from Radiomuseum.org
- Model: 81K31 - Motorola Inc. ex Galvin Mfg.Co
- Shape
- Console with Push Buttons.
- Dimensions (WHD)
- 28.25 x 41 x 13 inch / 718 x 1041 x 330 mm
- Notes
-
Permeability Tuner. Built in loop antenna. Broadcast Band: 540-1720 kc; Police Band: 1.7-5.7 mc; Short Wave Band: 5.7-12.2 mc. Six electric push buttons.
- External source of data
- Ernst Erb
- Source of data
- Collector's Guide to Antique Radios 4. Edition
- Circuit diagram reference
- Rider's Perpetual, Volume 13 = 1942 and before
- Mentioned in
- Pre-War Consoles
- Literature/Schematics (1)
- - - Manufacturers Literature
- Literature/Schematics (3)
- Motorola Booklet H-329, for 1942.
- Other Models
-
Here you find 4623 models, 2967 with images and 4123 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)