• Year
  • 1931
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 58562

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

 Technical Specifications

  • Number of Tubes
  • 10
  • Main principle
  • Superhet with RF-stage; ZF/IF 172.5 kHz; 1 AF stage(s)
  • Tuned circuits
  • 10 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 100-130 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Sparton 25 - Sparks-Withington Co., Sparton
  • Shape
  • Console, Highboy (legs > 50 %).
  • Notes
  • 4 legged highboy with stretcher base.
    Push-pull audio amplifier; same chassis as model 26.
  • Price in first year of sale
  • 136.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)

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The model Sparton 25 is part of the collections of the following members.

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