• Country
• Austria

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

• Year
• 1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 9675

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

• Number of Tubes
• 3

• Valves / Tubes
• E438 B409 1801

• Main principle
• TRF without regeneration

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 110; 130; 150; 220 Volt

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (4 magnet poles).

• Material
• Various materials

• from Radiomuseum.org
• Model: Minerphon 20W - Minerva-Radio Radiola-

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Notes
• Gehäuse aus Holz und meliertem Pertinax

• Price in first year of sale
• 170.00 ATS

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

• Source of data
• - - Data from my own collection / Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 631 models, 568 with images and 450 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