3R Long Distance Receiver-Amplifier late

Zenith Radio Corp.; Chicago, IL

  • Year
  • 1923
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 67445
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Valves / Tubes
  • Main principle
  • TRF with regeneration
  • Tuned circuits
  • 1 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: 3R Long Distance Receiver-Amplifier [late] - Zenith Radio Corp.; Chicago,
  • Shape
  • Tablemodel, slant panel.
  • Notes
  • Has no porthole in the front panel. (the early version has one).
  • Price in first year of sale
  • 175.00 $
  • External source of data
  • Ernst Erb
  • Literature/Schematics (2)
  • Radio Broadcast, Jun. 1924, p. 185

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The model 3R is part of the collections of the following members.

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