• Country
• Germany

• Manufacturer / Brand
• Südfunk-Apparatebau, Dr. Ing. Robert Ott; Stuttgart

• Year
• 1950 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 74975

• Number of Tubes
• 7

• Valves / Tubes
• ECH42 EAF42 EAF42 EB41 EM11 EL41 AZ11

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz

• Wave bands
• Broadcast, (BC) Long Wave (LW), 2 x SW and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ultra IV - Südfunk-Apparatebau, Dr. Ing.

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 580 x 380 x 220 mm / 22.8 x 15 x 8.7 inch

• Notes
• Bereich K1 = 6,5 - 20 MHz, dito K2 = 1,65 - 6,5 MHz.

• Net weight (2.2 lb = 1 kg)
• 12 kg / 26 lb 6.9 oz (26.432 lb)

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Author
• Model page created by Ingo Gantenbrink. See "Data change" for further contributors.

• Other Models

• Here you find 156 models, 114 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Südfunk-Apparatebau, Dr. Ing. Robert Ott; Stuttgart