• Country
• United States of America (USA)

• Manufacturer / Brand
• Zenith Radio Corp.; Chicago, IL

• Year
• 1923

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 119955

• • alternative name: Chicago Radio Lab

• 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 [early] - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel, slant panel.

• Notes
• Has a porthole in the front panel. (which is not in the late version).

• Price in first year of sale
• 160.00 $

• Source of data
• Radio Manufacturers of the 1920's, Vol. 3

• Literature/Schematics (1)
• Zenith Radio The Early Years 1919-1935 (Radio Broadcast, June 1924)

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 4505 models, 4101 with images and 3631 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL