• Country
• Spain

• Manufacturer / Brand
• Protasoni; Madrid

• Year
• 9999/9999 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 266513

• Number of Tubes
• 5

• Valves / Tubes

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Doublet ID 1931 - Protasoni; Madrid

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Dimensions (WHD)
• 300 x 365 x 200 mm / 11.8 x 14.4 x 7.9 inch

• External source of data
• Information courtesy of guest Alberto Sanna

• Author
• Model page created by John Kusching. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 5 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Protasoni; Madrid