• Country
• Czechoslovakia

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

• Year
• 1955 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 169372

• • Brand: Supraphon

• Number of Tubes
• 1

• Valves / Tubes
• UCH21

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: 513851 - Tesla; Praha, Bratislava etc.

• Dimensions (WHD)
• 60 x 60 x 230 mm / 2.4 x 2.4 x 9.1 inch

• Notes
• Microphone preamplifier.

• Net weight (2.2 lb = 1 kg)
• 0.880 kg / 1 lb 15 oz (1.938 lb)

• Author
• Model page created by Gabriel Toth. 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.