• Year
  • 1925
perfect model
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 40374
    • 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.

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • -Loudspeaker incorporated, but system not known.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: C30 Orthosonic - Federal Radio Corp. / Federal
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • Two dials (primary tuning control knobs). Also with 199 tubes.

    By 1927 it could have a UX112A (112A) with half of the cathode current than the UX112, but not before. See also CX371A.

  • Price in first year of sale
  • 200.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

 Collections | Museums | Literature

 Forum