• Country
• Austria

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

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 9787

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

• Number of Tubes
• 6

• Valves / Tubes
• EK2 EF5 EBC3 EL3 EM1 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 128,5 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110, 130, 150, 220, 240 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Presto 48-W [Type 1938] - Minerva-Radio Radiola-

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 460 x 320 x 220 mm / 18.1 x 12.6 x 8.7 inch

• Notes
• Variable Bandbreite, -30% Stromsparschalter.

• Net weight (2.2 lb = 1 kg)
• 8.6 kg / 18 lb 15.1 oz (18.943 lb)

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

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

• 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