• Year
  • 1932/1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 18830

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 175 kHz; 2 AF stage(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Direct Current supply (DC) / 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 48B - Philco, Philadelphia Stg. Batt
  • Shape
  • Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).
  • Notes
  • This model has three versions: 43B (cathedral), 43C (compact rectangular wooden table cabinet), and 43 L (lowboy). This model employs a type 9 ballast tube for automatic voltage regulation.
  • External source of data
  • E. Erb 3-907007-36-0
  • Circuit diagram reference
  • Die «Thali Schemasammlung» führt das Modell.

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