• Year
  • 1949
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 58640

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

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • Superheterodyne (common); ZF/IF 456/10700 kHz
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC) / 110 - 120 Volt
  • Loudspeaker
  • 2 Loudspeakers
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Sparton 4971 Ch= 8S10 - Sparks-Withington Co., Sparton
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Two 6 1/8" x 9" PM elliptical speaker.
    The Sparks Model Sparton 4971 is an AC Operated 8 Tube FM/AM Superheterodyne Receiver with Loop Antenna.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 21, Copyright 1950

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