• Year
  • 1936 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 52876

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Audio-Amplification
  • Power type and voltage
  • Alternating Current supply (AC) / 110 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 24 W (unknown quality)
  • from Radiomuseum.org
  • Model: SR247 - Radolek Co., Chicago
  • Notes
  • push pull af output stage.
  • Circuit diagram reference
  • Rider's Perpetual, Volume 8 = 1937 and before
  • Author
  • Model page created by Peter Rutishauser. See "Data change" for further contributors.

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