• Country
• Germany

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

• Year
• 1929–1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 8077

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

• Number of Tubes
• 3

• Valves / Tubes
• REN804 RE134 RGN1500

• Main principle
• TRF with regeneration; 1 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; 220; 240 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: K2Wb - Nora, Aron, Heliowatt; Berlin

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 360 x 210 x 170 mm / 14.2 x 8.3 x 6.7 inch

• Notes

• Trafokopplung.

  Im Katalog Prohaska 1930/31 wird abweichend Holz als Gehäusematerial angegeben.

• Net weight (2.2 lb = 1 kg)
• 4.3 kg / 9 lb 7.5 oz (9.471 lb)

• Price in first year of sale
• 123.00 RM

• Source of data
• Kat.Radio Arlt 1931 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Mentioned in
• Funkgeschichte der GFGF (9495)

• Literature/Schematics (1)
• Katalog Radio-Zentrale Prohaska 1930/31

• Picture reference
• Eine Abbildung findet sich im Doppelband "Radios von gestern"

• 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