• Country
• United States of America (USA)

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

• Year
• 1959

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 78399

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

• Number of Tubes
• 6

• Valves / Tubes
• 12AX7 12AX7 EL84 ECL82 ECL82 EZ81

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Rec.Player+Audio.Amp+LS

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

• Loudspeaker
• 5 Loudspeakers

• Power out
• 34 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: SK24M Ch= HS-780 - Motorola Inc. ex Galvin Mfg.Co

• Shape
• Console, Lowboy (legs < 50 %).

• Notes
• The Motorola Model SK24M is an AC operated 6 Tube three channel stereo Phono Amplifier and a 4 Speed Automatic Record Changer. Uses chassis HS-780. Cabinet is Mahogany. This model has Qty(1) 12" PM speaker, Qty(2) 6" PM speakers and Qty(2) 4" PM speakers. Uses Record Changer BR10RC. Has separate bass channel that drives the 12" speaker. An optional drop-in AM-FM tuner was available from the dealer. Sams photofact set 493 folder 11 date 7-60 features the Motorola models SH18GL and SH18GN with chassis HS-765, the models AK24B, SK24M and SK24W with chassis HS-780 as the same schematic.

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 20, 1960

• Mentioned in
• Beitman Radio Diagrams, Vol. 20, 1960

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 493 folder 11 date 7-60)

• Literature/Schematics (2)
• - - Manufacturers Literature

• Author
• Model page created by Trev Levick. See "Data change" for further contributors.

• Other Models

• Here you find 4596 models, 2962 with images and 4095 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)