• Country
• Germany

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

• Year
• 1950/1951

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 7845

• Number of Tubes
• 3

• Valves / Tubes
• UCH11 UEL11 UY2

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• AC/DC-set / 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Undine 2 GW455 - Nora, Aron, Heliowatt; Berlin

• Dimensions (WHD)
• 360 x 250 x 185 mm / 14.2 x 9.8 x 7.3 inch

• Notes
• Audion-Gl.R.

• Net weight (2.2 lb = 1 kg)
• 4 kg / 8 lb 13 oz (8.811 lb)

• Price in first year of sale
• 185.00 DM

• Source of data
• Kat.d. Rundf.Gr.Handel 1950/51 / Radiokatalog Band 1, Ernst Erb

• Mentioned in
• Funkschau (5016)

• Other Models

• Here you find 634 models, 557 with images and 343 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Nora, Aron, Heliowatt; Berlin