• Country
• Czechoslovakia

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

• Year
• 1963 ??

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 213841

• • Brand: Supraphon

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: AMD 331 - Tesla; Praha, Bratislava etc.

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 46 x 46 x 54 mm / 1.8 x 1.8 x 2.1 inch

• Notes
• Elektrodynamisches Mikrofon, Mikrofonkapsel, kugelförmig.

• Net weight (2.2 lb = 1 kg)
• 0.087 kg / 0 lb 3.1 oz (0.192 lb)

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

• Other Models

• Here you find 1838 models, 1159 with images and 668 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.