• Country
• Alemania

• Manufacturer / Brand
• Nora, Aron, Heliowatt; Berlin

• Year
• 1933/1934

• Category
• Radio - o Sintonizador pasado WW2

• Radiomuseum.org ID
• 7952

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

• Number of Tubes
• 5

• Valves / Tubes
• RENS1224 RENS1234 REN924 RENS1374d RGN1064

• Main principle
• Superheterodino en general; ZF/IF 123 kHz

• Tuned circuits
• 7 Circuíto(s) AM

• Wave bands
• OM, OL y OC

• Power type and voltage
• Red: Corriente alterna (CA, Inglés = AC) / 110-240 Volt

• Altavoz
• - Este modelo usa altavoz exterior (1 o más).

• Material
• Bakelita

• from Radiomuseum.org
• Model: W504 - Nora, Aron, Heliowatt; Berlin

• Dimensions (WHD)
• 340 x 263 x 253 mm / 13.4 x 10.4 x 10 inch

• Notes
• Feldst.Anz.?

• Price in first year of sale
• 268.00 RM !

• Source of data
• Radio-Zentrale Prohaska 1933/34 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange+Schenk+FS-Röhrenbestückung

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• Other Models

• Here you find 634 models, 557 with images and 342 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Nora, Aron, Heliowatt; Berlin