• Country
• United States of America (USA)

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

• Year
• 1926/1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 40377

• • 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
• 5

• Valves / Tubes
• CX301A CX301A CX301A or CX300A CX301A CX371A

• Main principle
• TRF without regeneration

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: D-10 Orthosonic - Federal Radio Corp. / Federal

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

• Notes

• Matching console table model D-5. One dial (primary tuning control knob). Also with tube 199.

  After 1926 the CX112A was possible instead of the CX300A or CX301A.

• Price in first year of sale
• 100.00 $

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• Mentioned in
• A Blast from the Past

• Literature/Schematics (1)
• Radio Manufacturers of the 1920s, Vol 1

• Literature/Schematics (2)
• Radio Retailing (Radio & Television R.) (ad June 1927 page 234)

• Other Models

• Here you find 202 models, 90 with images and 129 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