• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Shop, The (Echophone); Sunnyvale, CA

• Year
• 1924 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 106437

• • Brand: Leroy

• Number of Tubes
• 2

• Valves / Tubes

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Two-tube amplifier - Radio Shop, The Echophone;

• Shape
• Tablemodel, slant panel.

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by John Koster. See "Data change" for further contributors.

• Other Models

• Here you find 34 models, 24 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Shop, The (Echophone); Sunnyvale, CA