52M3U Ch= HS-300
Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)
- Year
- 1951/1952
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 48884
Picture courtesy of Stuart Drizner
Picture courtesy of Stuart Drizner
Picture courtesy of Stuart Drizner
Picture courtesy of Stuart Drizner
Picture courtesy of Stuart Drizner
Picture courtesy of Stuart Drizner
Picture courtesy of Stuart Drizner
Picture courtesy of Stuart Drizner
Picture courtesy of Stuart Drizner
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; 2 AF stage(s)
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Line / Batteries (any type) / Either AC or DC 117 or Batteries: 2 x 1.5 and 67.5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm
- Material
- Metal case
- from Radiomuseum.org
- Model: 52M3U Ch= HS-300 - Motorola Inc. ex Galvin Mfg.Co
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 7.75 x 5.1875 x 4.5625 inch / 197 x 132 x 116 mm
- Notes
-
Selenium rectifier. Color = Gray. This Motorola model 52M is available in different colors: model 52M1U in Green, model 52M2U in Maroon and model 52M3U in Gray.
- External source of data
- Ernst Erb
- Source of data
- The Radio Collector's Directory and Price Guide 1921 - 1965
- Circuit diagram reference
- Rider's Perpetual, Volume 23 (last), covering up to 1954
- Literature/Schematics (3)
- Motorola Folder No. 3201 and 3301 for 1952.
- Other Models
-
Here you find 4601 models, 2962 with images and 4100 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)