• Country
• Austria

• Manufacturer / Brand
• Czeija, Nissl & Co., Standard, ITT, Alcatel; Wien

• Year
• 1925/1926

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 8228

• • alternative name: Hekaphon

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - Is a Headphone or Earphone

• Material
• Various materials

• from Radiomuseum.org
• Model: Kopfhörer 20 - Czeija, Nissl & Co., Standard,

• Dimensions (WHD)
• 60 x 60 x 25 mm / 2.4 x 2.4 x 1 inch

• Notes
• 4000 Ohm, lackiert

• Net weight (2.2 lb = 1 kg)
• 0.350 kg / 0 lb 12.3 oz (0.771 lb)

• Price in first year of sale
• 16.00 ATS

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 123 models, 69 with images and 35 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Czeija, Nissl & Co., Standard, ITT, Alcatel; Wien