• Country
• United States of America (USA)

• Manufacturer / Brand
• Federal Radio Corp. / Federal Telephone & Telegraph Co.; Buffalo, NY

• Year
• 1922

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

• Radiomuseum.org ID
• 40291

• • alternative name: Federal Recorder || Federal Tel. & Radio || Federal T&T
  • Brand: Orthosonic / Ortho-Sonic

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 2

• Valves / Tubes

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

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Two-Stage R.F. Amplifier No. 55 - Federal Radio Corp. / Federal

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

• Notes

• One dial (primary tuning control knob).

  Two stages radio frequency amplification.

   

• Price in first year of sale
• 58.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Literature/Schematics (2)
• Radio Digest Illustrated, 1922 Oct. 07, p. 4

• Other Models

• Here you find 205 models, 90 with images and 133 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Federal Radio Corp. / Federal Telephone & Telegraph Co.; Buffalo, NY