• Country
• Germany

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

• Year
• 1934/1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 7915

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

• Number of Tubes
• 3

• Valves / Tubes
• RENS1884 BB1 RENS1823d U918

• Main principle
• TRF with diode detector; 1 Special; 2 AF stage(s); Reflex

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Direct Current supply (DC) / 110; 125; 150; 220; 240 Volt

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

• Power out
• 1.5 W (unknown quality)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Rienzi G220L [Bakelitgehäuse] - Nora, Aron, Heliowatt; Berlin

• Dimensions (WHD)
• 400 x 365 x 280 mm / 15.7 x 14.4 x 11 inch

• Notes
• 1884=Reflex

• Price in first year of sale
• 201.00 RM !

• Source of data
• Radiokatalog Band 1, Ernst Erb

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

• Mentioned in
• Handbuch der Funktechnik und ihrer Grenzgebiete Bände 1 bis 12

• Literature/Schematics (1)
• -- Schematic (OTO-Schaltungen)

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

• Other Models

• Here you find 633 models, 556 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