• Country
• United States of America (USA)

• Manufacturer / Brand
• Clapp-Eastham Co.; Cambridge, MA

• Year
• 1921

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 186574

• • Brand: Radak

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Horn / Ø 6.5 inch = 16.5 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: Radak Electro Ampliphone - Clapp-Eastham Co.; Cambridge,

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• Straight neck horn.

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

• Mentioned in
• Floyd A.Paul: Radio Horn Speaker Encyclopedia, pp. 35, 68

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

• Other Models

• Here you find 130 models, 106 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Clapp-Eastham Co.; Cambridge, MA