• Country
• United States of America (USA)

• Manufacturer / Brand
• Amrad Corporation; Medford Hillside (MA)

• Year
• 1922

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 186795

• • alternative name: American Radio & Research

• Number of Tubes
• 2

• Valves / Tubes
• UV201 UV201

• Main principle
• Audio-Amplification

• 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: 2776 2 Step Amplifier - Amrad Corporation; Medford

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

• Dimensions (WHD)
• 10 x 5 x 5 inch / 254 x 127 x 127 mm

• Source of data
• - - Data from my own collection

• Mentioned in
• - - Manufacturers Literature (Bulletin F-2 April 1922)

• Author
• Model page created by Joseph Woychowski. See "Data change" for further contributors.

• Other Models

• Here you find 107 models, 81 with images and 44 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Amrad Corporation; Medford Hillside (MA)