• Country
• Portugal

• Manufacturer / Brand
• Radio Escola, Lisboa

• Year
• 1975 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 259150

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Sinfonia Conversor CV4 - Radio Escola, Lisboa

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 250 x 100 x 130 mm / 9.8 x 3.9 x 5.1 inch

• Notes

• Converts DC 12V into AC 220V.

• Net weight (2.2 lb = 1 kg)
• 5 kg / 11 lb 0.2 oz (11.013 lb)

• Author
• Model page created by Manuel Albano Neves. See "Data change" for further contributors.

• Other Models

• Here you find 28 models, 27 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Escola, Lisboa