• Country
• Austria

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

• Year
• 1929/1930

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 9653

• Number of Tubes
• 4

• Valves / Tubes
• A409 E438 RE604 1560

• Power type and voltage
• Line (AC, UC or DC not known)

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

• from Radiomuseum.org
• Model: Kraftverstärker MKV [A409] - Minerva-Radio Radiola-

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

• Source of data
• 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