• Country
• Italy

• Manufacturer / Brand
• Unda Radio; Como, Dobbiaco

• Year
• 1946/1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 84046

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

• Number of Tubes
• 5

• Valves / Tubes
• 6TE8GT 6NK7GT 6Q7GT 6V6GT 6X5

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• 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: Penta Unda R55/1 - Unda Radio; Como, Dobbiaco

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

• Dimensions (WHD)
• 260 x 160 x 130 mm / 10.2 x 6.3 x 5.1 inch

• Notes

• 5 gamme d'onda: 2 medie e 3 corte.
  5 scales, 4 Knobs (in two rows); 3 short wave bands (15 to 54 m).
  Sintonia ad induttori variabili. Controllo di tono a 3 posizioni. Utilizza il gruppo AF Nova P1.

  Autotrasformatore: Telaio collegato alla rete elettrica. Non tutti i casi sono dichiarati poichè spesso chi propone il modello non lo può sapere.

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

• Literature/Schematics (1)
• Schemi di apparecchi radio ( Ravalico 1953 ) (pag. 341)

• Author
• Model page created by Ernst Erb. 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