• Country
• United States of America (USA)

• Manufacturer / Brand
• Roland Radio Corporation; Mount Vernon (NY)

• Year
• 1959 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 136703

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

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110 - 120 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Wooden case

• from Radiomuseum.org
• Model: 2-0931 - Roland Radio Corporation;

• Shape
• Tablemodel, with any shape - general.

• Notes
• AC operated tube audio amplifier. Sams photofact set 492 folder 18 date 7-60 features the Roland models 1-0931 and 2-0931 as the same schematic.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Sei 492 folder 18 date 7-60)

• Author
• Model page created by Peter Hoddow. See "Data change" for further contributors.

• Other Models

• Here you find 68 models, 57 with images and 62 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Roland Radio Corporation; Mount Vernon (NY)