• Country
• Germany

• Manufacturer / Brand
• Neckermann-Versand KG; Frankfurt a.M.

• Year
• 1970 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 131811

• • Brand: Twen Tone

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 821/497 - Neckermann-Versand KG;

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 295 x 135 x 95 mm / 11.6 x 5.3 x 3.7 inch

• Net weight (2.2 lb = 1 kg)
• 1.275 kg / 2 lb 12.9 oz (2.808 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Michael John. See "Data change" for further contributors.

• Other Models

• Here you find 559 models, 501 with images and 184 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Neckermann-Versand KG; Frankfurt a.M.