• Country
• Spain

• Manufacturer / Brand
• Tungsram Radio S.L. (marca Ond-Hertz); Barcelona

• Year
• 1943 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 236863

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH3 6K7 6Q7 6V6 AZ21

• Main principle
• Superheterodyne (common); 2 AF stage(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 125 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ruiseñor [ECH3] - Tungsram Radio S.L. marca Ond-

• Shape
• Tablemodel, low profile (big size).

• Notes

• Es posible que el esquema cubre diferentes años de producción de "Ruiseñor".

  A falta de mejor información, este modelo ha sido presentado en el mismo año como Ruiseñor [6A7].

• Mentioned in
• -- Schematic

• Other Models

• Here you find 44 models, 37 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tungsram Radio S.L. (marca Ond-Hertz); Barcelona