• Country
• Germany

• Manufacturer / Brand
• Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH

• Year
• 1933/1934

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 4425

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17.5 cm = 6.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: D81 - Telefunken Deutschland TFK,

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 400 x 400 x 150 mm / 15.7 x 15.7 x 5.9 inch

• Notes
• Lautsprecher

• Net weight (2.2 lb = 1 kg)
• 4.5 kg / 9 lb 14.6 oz (9.912 lb)

• Price in first year of sale
• 54.00 RM

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Other Models

• Here you find 3558 models, 3143 with images and 2111 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH