• Country
• Czechoslovakia

• Manufacturer / Brand
• Insa, Praha

• Year
• 1946 ??

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 174027

• Number of Tubes
• 4

• Valves / Tubes
• ECH21 EF22 ECH21 EBL21

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: 7447A - Insa, Praha

• Shape
• Chassis only or for «building in»

• Price in first year of sale
• 6,260.00 Kc

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

• Other Models

• Here you find 3 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Insa, Praha