• Country
• United States of America (USA)

• Manufacturer / Brand
• Olson Radio Corporation, Olson Electronics Inc; Akron, OH

• Year
• 1965 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 218540

• Number of Tubes
• 4

• Valves / Tubes
• 12AX7 35C5 35C5 35W4

• Main principle
• Audio-Amplification; 2 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• AC/DC-set / 117 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 4 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: 4 Watt Stereo Amplifier AM-278 - Olson Radio Corporation, Olson

• Shape
• Tablemodel, with any shape - general.

• Notes

• Olson AM-278;
  Mono/Stereo. Tone control.

  See also Qualitone 26-01.

• Source of data
• -- Schematic

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 42 models, 38 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Olson Radio Corporation, Olson Electronics Inc; Akron, OH