• Year
  • 1934 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 52656

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

 Technical Specifications

  • Number of Tubes
  • 2
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110 Volt
  • Loudspeaker
  • - For headphones or amp.
  • from Radiomuseum.org
  • Model: R25-28 - Radio Receptor Co. Inc.; New
  • Notes
  • Mains supply and audio output stage for a battery radio. DC-output voltage 45 V and 90 V.
  • Circuit diagram reference
  • Rider's Perpetual, Volume 6 = 1935 and before
  • Author
  • Model page created by Peter Rutishauser. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum