4660 Model 9C Compact Var.Cond.tuned

Atwater Kent Mfg. Co.; Philadelphia, USA

  • Year
  • 1924
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 33401

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF without regeneration
  • Tuned circuits
  • 2 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, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: 4660 Model 9C Compact [Var.Cond.tuned] - Atwater Kent Mfg. Co.;
  • Shape
  • Miscellaneous shapes - described under notes.
  • Notes
  • Breadboard. Two dials (primary tuning control knobs) ; this later version with (2)var.cond. and (2)coils (either parallel or orthogonally mounted); regeneration possible (though not designed for) through plate coupling using a very good front tube;

  • Price in first year of sale
  • 65.00 $
  • External source of data
  • Ernst Erb

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