• Country
• United States of America (USA)

• Manufacturer / Brand
• Adams-Morgan Co. (AMCO); Upper Montclair, N.J

• Year
• 1915

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

• Radiomuseum.org ID
• 267071

• Main principle
• Tuner pre 1926 (not a wave trap)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Amco Receiving Transformer No. 7720 - Adams-Morgan Co. AMCO; Upper

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 14 x 5 x 5 inch / 356 x 127 x 127 mm

• Notes

• Adams Morgan AMCO Receiving Transformer No. 7720

• Net weight (2.2 lb = 1 kg)
• 5 lb (5 lb 0 oz) / 2.270 kg

• Price in first year of sale
• 6.00 $

• Mentioned in
• - - Manufacturers Literature (1915 Adams-Morgan catalog page 50)

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

• Other Models

• Here you find 64 models, 56 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Adams-Morgan Co. (AMCO); Upper Montclair, N.J