99-B and 99-X Ch= 99

Apex Electric, Pool; Chicago; US Radio & Television Corp.; Marion; (US Radio&Refrigeration)

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  • Year
  • 1932/1933 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 63801
    • alternative name: Apex Electric Mfg. || Case Electric || Melrose || United States Radio & T

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 262 kHz; Screengrid 1926-1935
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 99-B = 60 Hz, 99-X = 25 Hz: 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 99-B and 99-X Ch= 99 - Apex Electric, Pool; Chicago;
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Dimensions (WHD)
  • 560 x 970 x 265 mm / 22 x 38.2 x 10.4 inch
  • Notes

  • Chassis "99" (60 cycles) is almost identical to chassis "99-X" (25 cycles). The cabinet is the same and the same as the export model in Switzerland.

  • Price in first year of sale
  • 49.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)

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