Detektor-Empfänger D44

• Country
• Austria

• Manufacturer / Brand
• Stefra (Marke), Rudolf Franek; Wien

• Year
• 1944 ??

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 80166

• • Brand: Franek, Rudolf; Wien

• Picture
• Schematics

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

• Main principle
• Crystal or Solid State Detector

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Detektor-Empfänger D44 - Stefra Marke, Rudolf Franek;

• Dimensions (WHD)
• 65 x 20 x 80 mm / 2.6 x 0.8 x 3.1 inch

• Notes
• Bereichs-Umschaltung durch Schalter: 170-340 m / 340-600 m. . Spule mit verstellbarem Eisenkern; Steckdetektor. Zuschaltbare Parallelkapazität von ca 38 pF, bestehend aus einem bifilaren Drähtepaar, auf einen Spulenkörper gewickelt.

• Price in first year of sale
• 5.00 RM

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Author
• Model page created by Bernd P. Kieck. See "Data change" for further contributors.

• Other Models

• Here you find 20 models, 19 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stefra (Marke), Rudolf Franek; Wien