• Year
  • 1931/1932
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 5538

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

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Rfv12b - Siemens & Halske, -Schuckert
  • Notes
  • Netzendstufe
  • Circuit diagram reference
  • Lange-Nowisch

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