• Country
• Germany

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

• Year
• 1970 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 206348

• • Brand: Twen Tone

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

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / AA: 1 x 1,5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Amateur III / IV Nr. 822/469 - Neckermann-Versand KG;

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 80 x 28 x 115 mm / 3.1 x 1.1 x 4.5 inch

• Notes

• Bereiche:
  Gleichstrom: 0-50 µA, 25 mA, 250 mA
  Gleichspannung: 0- 2,5- 10- 50- 250- 1000 V (20 kΩ/V)
  Wechselspannung: 0- 10- 50- 250- 500- 1000 V (10 kΩ/V)
  Widerstand: 0- 40 kΩ - 4 MΩ
  Dezibel: -20 bis +62 dB (oberste Frequenzspitze 7 kHz)

• Net weight (2.2 lb = 1 kg)
• 0.260 kg / 0 lb 9.2 oz (0.573 lb)

• Price in first year of sale
• 49.00 DM

• Author
• Model page created by Bernd Zehren. See "Data change" for further contributors.

• Other Models

• Here you find 560 models, 502 with images and 185 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Neckermann-Versand KG; Frankfurt a.M.