• Country
• Czechoslovakia

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

• Year
• 1970 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 169376

• • Brand: Supraphon

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

• Number of Transistors
• 2

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Line / Batteries (any type) / 220 / 6 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: AYM-420 - Tesla; Praha, Bratislava etc.

• Dimensions (WHD)
• 60 x 80 x 209 mm / 2.4 x 3.1 x 8.2 inch

• Notes
• Power supply for microphone AMC-420.

• Net weight (2.2 lb = 1 kg)
• 0.753 kg / 1 lb 10.5 oz (1.659 lb)

• Author
• Model page created by Gabriel Toth. See "Data change" for further contributors.

• Other Models

• Here you find 1877 models, 1203 with images and 689 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.