93-A Ch= 93 AC

Ozarka Inc.; Chicago

  • Year
  • 1931 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 49952

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 175 kHz
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 110 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 93-A Ch= 93 [AC] - Ozarka Inc.; Chicago
  • Shape
  • Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).
  • Dimensions (WHD)
  • 420 x 515 x 280 mm / 16.5 x 20.3 x 11 inch
  • Notes
  • Ornamental cabinet made by Hamilton. Walnut veneer.
    There is also a cheaper version 93-B for 49.50 $.

    Same Chassis 93 used for models 93-A and 93-B.
    Different model 93 battery.

    Stein erroneously quotes only 5 tubes.

  • Net weight (2.2 lb = 1 kg)
  • 13.7 kg / 30 lb 2.8 oz (30.176 lb)
  • Price in first year of sale
  • 69.50 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)
  • Literature/Schematics (3)
  • - - Manufacturers Literature

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The model 93-A is part of the collections of the following members.

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