• Country
• Germany

• Manufacturer / Brand
• Preh jun., Jakob; Neustadt

• Year
• 1936

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 72620

• Wave bands
• - without

• Power type and voltage
• Other, details in remarks or not known. / 110; 220; 300 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Power out
• 3.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Preofon P505D - Preh jun., Jakob; Neustadt

• Shape
• Tablemodel, with any shape - general.

• Notes
• Erregerspannungen wahlweise 110/220/300 Volt.

• Net weight (2.2 lb = 1 kg)
• 4.8 kg / 10 lb 9.2 oz (10.573 lb)

• Price in first year of sale
• 53.00 RM

• External source of data
• Preh Zubehör-Hauptkatalog 36

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Author
• Model page created by Michael Seiffert. See "Data change" for further contributors.

• Other Models

• Here you find 33 models, 31 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Preh jun., Jakob; Neustadt