• Country
• Austria

• Manufacturer / Brand
• Minerva-Radio (Radiola-Radioapparate und Bestandteile W. Wohleber & Co) ; Wien

• Year
• 1963/1964

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 9959

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

• Number of Transistors
• 9

• Semiconductors
• AF106 AF125 AF126 AF126 AF126 AC126 AC126 AC128 AC128

• Main principle
• Superheterodyne (common); ZF/IF 461/10700 kHz

• Tuned circuits
• 8 AM circuit(s)     10 FM circuit(s)

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Power type and voltage
• Dry Batteries / 6x1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch

• Power out
• 1.2 W (undistorted)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Riviera 652 [Nr. 1.038.351–1.132.350] - Minerva-Radio Radiola-

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

• Dimensions (WHD)
• 300 x 190 x 90 mm / 11.8 x 7.5 x 3.5 inch

• Net weight (2.2 lb = 1 kg)
• 3.1 kg / 6 lb 13.3 oz (6.828 lb)

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

• Source of data
• -- Original-techn. papers. / Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 631 models, 568 with images and 448 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Minerva-Radio (Radiola-Radioapparate und Bestandteile W. Wohleber & Co) ; Wien