• Country
• United States of America (USA)

• Manufacturer / Brand
• Minnesota Radio Sales Corp.; Minneapolis, MN

• Year
• 1922

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 214517

• Number of Tubes
• 2

• Valves / Tubes
• UV201 UV201

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

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: North Star Special Two-Stage Amplifier Type 1-A - Minnesota Radio Sales Corp.;

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

• Dimensions (WHD)
• 11 x 7 x 7 inch / 279 x 178 x 178 mm

• Notes
• Minnesota Radio Sales Corp. North Star Special Type 1-A Two-Stage Amplifier designed to match the Type 1-R Regenerative Receiver.

• Price in first year of sale
• 50.00 $

• Literature/Schematics (1)
• June 10 1922 Radio World magazine page 31

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Minnesota Radio Sales Corp.; Minneapolis, MN