• Country
• Austria

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

• Year
• 1951

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 10971

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

• Number of Tubes
• 4

• Valves / Tubes
• DK91 DF91 DAF91 DL92

• Number of Transistors

• Semiconductors
• Diode

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Line / Batteries (any type) / 110; 125; 150; 200; 220; 240 AC-DC/ 9 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17 cm = 6.7 inch

• from Radiomuseum.org
• Model: Frohsinn UB61 [Schweinslederbez.] - Zehetner Radiobau-Zehetner;

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

• Dimensions (WHD)
• 360 x 255 x 154 mm / 14.2 x 10 x 6.1 inch

• Notes
• Tungsram: R5T, T4T, S5T, S4T; Anodenbatterie BC 90 (90 Volt); Phono-Anschluss; Verwendung verschiedener Antennen

• Net weight (2.2 lb = 1 kg)
• 3.7 kg / 8 lb 2.4 oz (8.15 lb)

• Price in first year of sale
• 1,980.00 öS

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Other Models

• Here you find 67 models, 43 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