• Country
• United States of America (USA)

• Manufacturer / Brand
• Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)

• Year
• 1956 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 82657

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 7

• Semiconductors
• 2N140 2N139 2N139 2N109 2N109 2N109 2N109 1N60

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: 76T2 Ch= HS-507 - Motorola Inc. ex Galvin Mfg.Co

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• Color=Brown

  uses 2 batteries 9V Eveready 276 or equivalent in parallel

• Net weight (2.2 lb = 1 kg)
• 2.1 kg / 4 lb 10 oz (4.626 lb)

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 17, 1957

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 4508 models, 2955 with images and 4002 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)