• Year
  • 1932 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 5486

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown)
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • - This model requires external speaker(s).
  • from Radiomuseum.org
  • Model: Protofon 140PI - Siemens & Halske, -Schuckert
  • Source of data
  • Radiokatalog Band 1, Ernst Erb
  • Circuit diagram reference
  • FS-Bestückungstab. (wahrsch. m.Fehler)

 Collections | Museums | Literature

 Forum