K3Wd

• Country
• Germany

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

• Year
• 1929/1930

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 8137

• Picture
• Schematics

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

• Number of Tubes
• 4

• Valves / Tubes
• REN1004 REN501 REN601 RGN1500

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 120-240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: K3Wd - Nora, Aron, Heliowatt; Berlin

• Dimensions (WHD)
• 355 x 210 x 170 mm / 14 x 8.3 x 6.7 inch

• Notes
• Widerst.Verst., 1-Volt-Röhren

• Price in first year of sale
• 184.00 RM !

• Source of data
• Arlt's grosser Radiokatalog 1930 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Mentioned in
• Lehner & Küchenmeister 1929

• 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