• Country
• United States of America (USA)

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

• Year
• 1922

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 183123

• • alternative name: American Radio & Research

• Number of Tubes
• 3

• Valves / Tubes
• UV200 UV201 UV201

• Main principle
• Detector with Vacuum Tube (Valve), no tuner; 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: Detector /Two Stage AF Amplifier 2634 - Amrad Corporation; Medford

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

• Dimensions (WHD)
• 10 x 5 x 6 inch / 254 x 127 x 152 mm

• Notes
• The Amrad Detector Two-Stage Amplifier 2634 was designed for use with the Amrad 2596 Short Wave Tuner. The model 2634 was also combined with model 3108 as a double-deker stacked set, called model 3380.

• Price in first year of sale
• 48.00 $

• Mentioned in
• Radio Manufacturers of the 1920s, Vol 1 (p.44)

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

• Other Models

• Here you find 107 models, 81 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Amrad Corporation; Medford Hillside (MA)