• Country
• Spain

• Manufacturer / Brand
• Radio Royam, Martín Mayor; Madrid

• Year
• 1941/1942 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 347130

• Number of Tubes
• 4

• Valves / Tubes
• ECH3 ECH3 CBL6 CY2

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• AC/DC-set / 125 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Desconocido - Unknown 2 Madera Dial rectangular 3 mandos desplazados - Radio Royam, Martín Mayor;

• Shape
• Tablemodel, with any shape - general.

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

• Author
• Model page created by Victor Boj Cabistañ. See "Data change" for further contributors.

• Other Models

• Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Royam, Martín Mayor; Madrid