• Country
• Germany

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

• Year
• 1928/1929

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 8120

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Lautsprecher-Schalldose LTF - Nora, Aron, Heliowatt; Berlin

• Notes
• Zum Einbau in Flächen-Lautsprecher.
  Lieferung mit oder ohne Flächenmembrane.

• Net weight (2.2 lb = 1 kg)
• 0.375 kg / 0 lb 13.2 oz (0.826 lb)

• Price in first year of sale
• 13.00 RM

• Source of data
• Radio-Diehr, Berlin, 1928/1929 / Radiokatalog Band 1, Ernst Erb

• 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