• Country
• Italy

• Manufacturer / Brand
• Unda Radio; Como, Dobbiaco

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 122266

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

• Number of Tubes
• 3

• Valves / Tubes
• 6B7 41 80

• Main principle
• TRF with diode detector; 2 AF stage(s); Reflex

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Radio Balilla 39 - Unda Radio; Como, Dobbiaco

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 340 x 320 x 170 mm / 13.4 x 12.6 x 6.7 inch

• Notes

• Circuito Reflex a 3 valvole.
  Regolazione del volume con attenuazione del segnale all'antenna.

• Source of data
• Guida Pratica Antique Radio V (2003)

• Mentioned in
• -- Schematic (La Riparazione degli Apparecchi Radio Delforno-Colciago - Lavagnolo - Italy - 1941)

• Author
• Model page created by Alessandro De Poi. 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