• Country
• Portugal

• Manufacturer / Brand
• Radio Escola, Lisboa

• Year
• 1967 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 249900

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

• Number of Transistors
• 3

• Semiconductors
• OC602 or. AC134 AF114 AF114

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Dry Batteries / 2 x 4,5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Sinfonia O3 - Radio Escola, Lisboa

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 262 x 154 x 80 mm / 10.3 x 6.1 x 3.1 inch

• Notes

• Ranges:
  A:  130 - 370 kHz,
  B:  360 - 1000 kHz,
  C: 1000 - 2500 kHz,
  D:  2,5 - 7 MHz,
  E: 6,5 - 20 MHz;
  Calibrated harmonics: 20-60 MHz.

• Net weight (2.2 lb = 1 kg)
• 1.5 kg / 3 lb 4.9 oz (3.304 lb)

• Author
• Model page created by Aires Gomes. 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