Perfect 642 Nr.: 1.005.051 - 1.112.450

• 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
• 9957

• Picture
• Schematics

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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 AC127 AC128

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

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

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

• Power type and voltage
• Dry Batteries / 5 × 3 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Power out
• 0.8 W (unknown quality)

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

• from Radiomuseum.org
• Model: Perfect 642 [Nr.: 1.005.051 - 1.112.450] - Minerva-Radio Radiola-

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

• Dimensions (WHD)
• 230 x 140 x 62 mm / 9.1 x 5.5 x 2.4 inch

• Net weight (2.2 lb = 1 kg)
• 1.6 kg / 3 lb 8.4 oz (3.524 lb)

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

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

• Mentioned in
• RADIOBOTE, Österr. (Heft 14/2008, S.17 ff, Gerätebeschreibung)

• Literature/Schematics (1)
• -- Original-techn. papers.

• Other Models

• Here you find 631 models, 568 with images and 451 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