• Year
  • 1925
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 40368
    • 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.

Audio (to hear)

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 AF stage(s)
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: A10 Orthosonic - Federal Radio Corp. / Federal
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 24 x 11 x 12 inch / 610 x 279 x 305 mm
  • Notes
  • Three dials (primary tuning control knobs) . Also available for 199 tubes.
  • Price in first year of sale
  • 75.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

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The model A10 Orthosonic is part of the collections of the following members.

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