• Year
  • 1925
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 44661

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • TRF without regeneration; 2 AF stage(s); Neutrodyne
  • Tuned circuits
  • 3 AM circuit(s)
  • Power type and voltage
  • Storage and/or dry batteries
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Type A - Howard Radio Company; Chicago
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 31 x 10 x 11 inch / 787 x 254 x 279 mm
  • Notes
  • Inside the set there is a plate reading: Licensed by Independent Radio Manufacturers Inc.: (in great letters) Neutrodyne, followed by patents March 27 of 1923 and April 1 of 1924 (plus?) patents Nr. 1.450.080 nad 1.49?.228. Measurements are bigger at the lid and much bigger at the foot 32.5 x 12 inch. See the interesting wiring in the pictures. If all tubes are of 201A is not certain.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before

 Collections | Museums | Literature

Collections

The model Type A (Neutrodyne) is part of the collections of the following members.

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