• Country
• Czechoslovakia

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

• Year
• 1976 ??

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 101633

• • Brand: Supraphon

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

• Number of Transistors
• 11

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Tape Recorder

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

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: ANP237C B57C - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 350 x 145 x 290 mm / 13.8 x 5.7 x 11.4 inch

• Notes

• Vierspur, 9,5 cm/s, Übertragungsbereich: 50...12000 Hz,Spulendurchmesser max. 18 cm.

  2 Eingänge: Mikro und Radio.

   

  The B57 was produced in three versions:

  B57 ANP237: Basic full equipment model.

  B57b ANP237B: In the same cabinet as the B57, without slide projector control and without speaker.

  B57c ANP237C: Without slide projector control, without speaker and power amplifier, in the same cabinet as B5. It was designed for installation in language schoolrooms.

• Net weight (2.2 lb = 1 kg)
• 6.5 kg / 14 lb 5.1 oz (14.317 lb)

• Mentioned in
• Magnetofony 3, 1976-1981, Bozdech J.

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

• Other Models

• Here you find 1874 models, 1199 with images and 681 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.