• Country
• Italy

• Manufacturer / Brand
• Unda Radio; Como, Dobbiaco

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 127392

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

• Number of Tubes
• 9

• Valves / Tubes
• EF8 6L7G 6C5G EBF2 76 6Q7G 6L6G 6L6G 80 or 5Z3

• Main principle
• Superheterodyne (common); ZF/IF 450 kHz

• Wave bands
• Wave Bands given in the notes.

• Details
• Record Player (not changer)

• Power type and voltage
• Alternating Current supply (AC) / 100-280 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 32 cm = 12.6 inch

• Power out
• 16 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Sex Unda 961 - Unda Radio; Como, Dobbiaco

• Shape
• Console: Chairside Radio.

• Notes

• Radiofonografo con rivelatore piezoelettrico. Regolatore di tono. Variatore della sensibilità e della selettività. Preselezione automatica a pulsante di 10 emittenti. Indicatore di sintonia a proiezione d'ombra.

  Gamme d'onda:

  • Lunghe: 150 ÷ 400 kHz.
  • Medie: 515 ÷ 1500 kHz,
  • Corte 1: 12 ÷ 18,5 metri,
  • Corte 2: 18 ÷ 26,5 metri,
  • Corte 3: 26 ÷ 38 metri.
  • Corte 4: 37 ÷ 54 metri.

• Source of data
• Guida Pratica Antique Radio II (2000)

• Literature/Schematics (1)
• -- Original-techn. papers. (D.E. Ravalico: Servizio Radiotecnico vol. II. Radioriparazioni. 8^ Edizione. Hoepli, Milano, 1952.)

• Literature/Schematics (2)
• -- Original-techn. papers. (L'Antenna 15 settembre 1940)

• Author
• Model page created by Marco Gilardetti. See "Data change" for further contributors.

• Other Models

• Here you find 243 models, 162 with images and 179 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unda Radio; Como, Dobbiaco