• Year
  • 1950 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 136869

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110 - 120 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.25 inch = 8.3 cm
  • from Radiomuseum.org
  • Model: BA21 - Rauland Corp.; Chicago, IL
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • The Rauland Model BA21 is a AC Operated Inter-Communication System.
  • Author
  • Model page created by Egon Penker. See "Data change" for further contributors.

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