• Country
• Austria

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

• Year
• 1928/1929

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 9636

• Number of Tubes
• 2

• Valves / Tubes
• A425 B443

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - This model requires external speaker(s).

• from Radiomuseum.org
• Model: Kraftverstärker Minerphone - Minerva-Radio Radiola-

• Dimensions (WHD)
• 240 x 125 x 120 mm / 9.4 x 4.9 x 4.7 inch

• Notes
• Preis ohne Röhren: 120 ATS, mit Röhren: 170 ATS

• Net weight (2.2 lb = 1 kg)
• 1.5 kg / 3 lb 4.9 oz (3.304 lb)

• Price in first year of sale
• 120.00 öS

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

• Source of data
• -- Original prospect or advert / 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