• Year
  • 1928/1929
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 43430

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • TRF without regeneration
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 310 - Graybar Electric Co.; New York
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • The Graybar model 310 uses a separate power supply outside of the cabinet. One dial (primary tuning control knob) with a drum scale.

  • Price in first year of sale
  • 95.00 $
  • 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 is part of the collections of the following members.

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