• Country
• United States of America (USA)

• Manufacturer / Brand
• Beckley-Ralston Co.; Chicago, Ill

• Year
• 1922

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 205335

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - Is a Headphone or Earphone

• from Radiomuseum.org
• Model: Amplitone Loud Speaker - Beckley-Ralston Co.; Chicago,

• Notes
• "An inexpensive, loudspeaking horn especially adapted for home use. Ample volume. Quality tones. Troat of horn consists of sucessive sound expansion chambers. Each chamber wider than the previous one. Furnished either with single or B-R Phoneadapter." Quote from ad.

• Price in first year of sale
• 8.00 $

• Mentioned in
• Radio Broadcast magazine Dec.1922

• Author
• Model page created by Michael Murray. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 7 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Beckley-Ralston Co.; Chicago, Ill