• Year
  • 1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 1662

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

 Technical Specifications

  • Number of Tubes
  • 2
  • Main principle
  • TRF with regeneration; 1 AF stage(s)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and 2 x Short Wave.
  • Power type and voltage
  • Direct Current supply (DC) / 110; 150; 220 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Power out
  • 1.7 W (max.)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Graetzor 33G - Graetz Radio, Berlin Treptow
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 340 x 403 x 253 mm / 13.4 x 15.9 x 10 inch
  • Net weight (2.2 lb = 1 kg)
  • 13 kg / 28 lb 10.1 oz (28.634 lb)
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Circuit diagram reference
  • Lange+Schenk+FS-Röhrenbestückung
  • Literature/Schematics (1)
  • -- Original-techn. papers.

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