• Country
• Germany

• Manufacturer / Brand
• Butoba (Marke/Brand)

• Year
• 1956/1957

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 20979

• • alternative name: Burger Söhne, Joseph

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

• Number of Tubes
• 6

• Valves / Tubes
• DL94 DAF91 DAF91 DL94 DM71 DL94

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Tape Recorder

• Power type and voltage
• Storage and/or dry batteries / 1,5 & 100 Volt

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

• Power out
• 0.5 W (unknown quality)

• from Radiomuseum.org
• Model: Butoba PTR2 - Butoba Marke/Brand

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

• Dimensions (WHD)
• 390 x 120 x 300 mm / 15.4 x 4.7 x 11.8 inch

• Notes
• Zweispur; Bandgeschwindigkeiten 4,75/9,5 cm/s.; Spulen-Ø 12,7 cm. Federwerkmotor mit Laufzeitanzeige.
  
  Der Katalog nennt PTR2, das Schaltbild TPR2.

• Net weight (2.2 lb = 1 kg)
• 9.5 kg / 20 lb 14.8 oz (20.925 lb)

• Price in first year of sale
• 750.00 DM

• External source of data
• Erb

• Source of data
• HdB d.Rdf-& Ferns-GrH 1956/57 / 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)