• Country
• Germany

• Manufacturer / Brand
• Butoba (Marke/Brand)

• Year
• 1959

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 25524

• • alternative name: Burger Söhne, Joseph

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

• Number of Tubes
• 1

• Valves / Tubes
• DM71

• Number of Transistors
• 7

• Semiconductors
• OC603 OC75 OC71 OC76 OC76 OC74 OC74

• Main principle
• Audio-Amplification

• Details
• Tape Recorder

• Power type and voltage
• Line / Batteries (any type) / 110-260 Volt

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

• from Radiomuseum.org
• Model: Butoba MT4 - Butoba Marke/Brand

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

• Dimensions (WHD)
• 300 x 235 x 150 mm / 11.8 x 9.3 x 5.9 inch

• Notes
• Nicht sicher, da ab MT5 kopiert. Erstes Modell mit Elektromotor (all-electric).

• Source of data
• -- Collector info (Sammler) / Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 20 models, 17 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Butoba (Marke/Brand)