• Year
  • 1949
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 40636

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

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • Superhet with RF-stage; ZF/IF 455/10700 kHz; 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)     9 FM circuit(s)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Record Player (perh.Changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 105 - 125 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 inch = 25.4 cm
  • Power out
  • 2.8 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 4-A-63 "The Metropolitan" Code 307-8-9039-B - Firestone Tire & Rubber Co.
  • Shape
  • Console with any shape - in general
  • Notes
  • BC (540-1700kHz) band and FM (88-108MHz) band. Built-in loop antenna for BC band.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 18 = 1949 and before

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