• Country
• Austria

• Manufacturer / Brand
• Zehetner (Radiobau-Zehetner); Wien

• Year
• 1952 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 10972

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

• Number of Tubes
• 4

• Valves / Tubes
• DK92 DF91 DAF91 DL94

• Number of Transistors

• Semiconductors
• Diode

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / 110; 125; 150; 200; 220; 240 AC-DC/ 5 x 1,5 & 72 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Frohsinn Junior UB63 - Zehetner Radiobau-Zehetner;

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 320 x 230 x 138 mm / 12.6 x 9.1 x 5.4 inch

• Notes
• Allstrom und 70-Volt-Pertrix-Batterie.

• Net weight (2.2 lb = 1 kg)
• 2.9 kg / 6 lb 6.2 oz (6.388 lb)

• Price in first year of sale
• 1,590.00 öS

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Mentioned in
• RADIOBOTE, Österr. (Heft 37/2012, S.15 ff, Gerätebeschreibung, Restaurierung)

• Other Models

• Here you find 67 models, 42 with images and 31 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zehetner (Radiobau-Zehetner); Wien