• Country
• Czechoslovakia

• Manufacturer / Brand
• Tesla; Praha, Bratislava etc.

• Year
• 1972–1975

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 81413

• • Brand: Supraphon

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Tape Recorder

• Power type and voltage
• Alternating Current supply (AC) / 120 - 220 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: B57 ANP237 - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 460 x 300 x 150 mm / 18.1 x 11.8 x 5.9 inch

• Notes
• Tonbandgerät speziell für Schulen produziert. Mit Steuerung für Diaprojektor. Frequenzbereich 50-12000 Hz, Spulendurchmesser max. 18 cm, Bandgeschwindigkeit 9,53 cm/s. Holzgehäuse, oben und unten Plasteabdeckung. Available sychro start for slide projektor.

• Net weight (2.2 lb = 1 kg)
• 12 kg / 26 lb 6.9 oz (26.432 lb)

• Source of data
• -- Original prospect or advert

• Mentioned in
• Magnetofony 2, 1971-1975, Bozdech J.

• Author
• Model page created by Wolfgang Lill. See "Data change" for further contributors.

• Other Models

• Here you find 1832 models, 1138 with images and 643 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.