• Country
• United States of America (USA)

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

• Year
• 1961

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 88036

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

• Number of Tubes
• 4

• Valves / Tubes
• 12AX7 6BM8 or ECL82 6BM8 or ECL82 6V4 or EZ80

• Main principle
• Audio-Amplification; 3 AF stage(s)

• Wave bands
• - without

• Details
• Rec.Player+Audio.Amp+LS

• Power type and voltage
• Alternating Current supply (AC) / 60 cycles, 120 Volt

• Loudspeaker
• 3 Loudspeakers

• Power out
• 4 W (10 W max.)

• Material
• Various materials

• from Radiomuseum.org
• Model: SP27G Ch= HS-944, HS-945 - Motorola Inc. ex Galvin Mfg.Co

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes

• The Motorola SP27G is an AC operated 4 Tube Stereo Phono Amplifier and 4 Speed Automatic Record Changer. Uses power supply chassis HS-944 and preamp/poweramp chassis HS-945. Has Mono/Stereo switch. 2 Watts rms per channel. Cabinet color is Green. This model has Qty(1) 6" PM speaker and Qty(2) 5.25" PM speakers. Uses Record Changer VM60RC.

  Motorola model SP27N is similar except for the cabinet color, which is Brown.

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 22, 1962

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 22, 1962 (Page 68)

• Literature/Schematics (2)
• - - Manufacturers Literature (Motorola Datasheet 68P60011A72 Dated 6-61)

• 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)