• Country
• Austria

• Manufacturer / Brand
• Josefovsky, Heinz; Wien

• Year
• 1929 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 88966

• • Brand: Josadyn

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

• Number of Tubes
• 3

• Valves / Tubes
• A415 A415 B406

• Main principle
• TRF with regeneration

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Direct Current supply (DC) / 220 Volt

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (4 magnet poles). / Ø 28 cm = 11 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: O3 - Josefovsky, Heinz; Wien

• Source of data
• - - Data from my own collection

• Mentioned in
• RADIOBOTE, Österr. (Heft 3/2006, S.12 f, Gerätebeschreibung)

• Author
• Model page created by Thomas Lebeth. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 3 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Josefovsky, Heinz; Wien