• Year
  • 1933 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 5470

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 Special; 1 AF stage(s); Anode bend detection
  • Tuned circuits
  • 3 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110-240 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Power out
  • 2.9 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 47aWL - Siemens & Halske, -Schuckert
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Dimensions (WHD)
  • 410 x 470 x 270 mm / 16.1 x 18.5 x 10.6 inch
  • Notes
  • Siehe auch 47WL mit Regel-Hexoden (RENS1234) anstatt Tetroden.

  • Source of data
  • Radiokatalog Band 1, Ernst Erb
  • Circuit diagram reference
  • Lange+Schenk+FS-Röhrenbestückung
  • Mentioned in
  • Funk Bastler (Funkbastler 1933, Heft 51, Seite 811)
  • Literature/Schematics (1)
  • -- Original-techn. papers.

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