Sparton 121 Ch= 8L9  fixed dial light

Sparks-Withington Co., (Sparton); Jackson, Michigan

  • Year
  • 1948
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 58499

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 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)     8 FM circuit(s)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC) / 117 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Sparton 121 Ch= 8L9 [ fixed dial light] - Sparks-Withington Co., Sparton
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 15.5 x 12 x 9.3 inch / 394 x 305 x 236 mm
  • Notes
  • This Sparton model 121 from Sparks-Withington was made with fixed dial light - but see also the model with moving dial light which travels with the pointer.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 20 covering 1950

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