• Country
• United States of America (USA)

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

• Year
• 1960 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 85635

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

• Number of Tubes
• 17

• Valves / Tubes
• 6BQ7A 6BA6 6BA6 6AU6 6AL5 EM81 6BA6 6BE6 12AX7A 12AX7A 12AX7A 12AX7A EL84 EL84 EL84 EL84 5U4GB

• Main principle
• Superheterodyne (common); ZF/IF 455/10700 kHz; 4 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)     9 FM circuit(s)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Details
• Record Player (perh.Changer)

• Power type and voltage
• Alternating Current supply (AC) / 120 Volt

• Loudspeaker
• 7 or more Loudspeakers

• from Radiomuseum.org
• Model: SK39MB Ch= HS-776 - HS-778 - Motorola Inc. ex Galvin Mfg.Co

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 21, 1961

• 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)