• Country
• United States of America (USA)

• Manufacturer / Brand
• Ozarka Inc.; Chicago

• Year
• 1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 49971

• Number of Tubes
• 5

• Valves / Tubes

• Main principle
• TRF without regeneration

• Tuned circuits
• 3 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

• from Radiomuseum.org
• Model: Senior S1 - Ozarka Inc.; Chicago

• Shape
• Tablemodel, slant panel.

• Notes
• Three dials (primary tuning control knobs)

• Price in first year of sale
• 125.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• Radio Manufacturers of the 1920's, Vol. 2

• Literature/Schematics (2)
• Radio Broadcast, Nov. 1925, p. 65

• Other Models

• Here you find 92 models, 61 with images and 20 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ozarka Inc.; Chicago