• Country
• Germany

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

• Year
• 1964/1965 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 168330

• • Brand: Twen Tone

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

• Number of Transistors
• Semiconductors present.

• Semiconductors
• AF124 or. AF134 AF125 AF137 AF116 AF137 or. 2SA93 TF65 AC151 AC121 AC121 AA112 AA112 AA112

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz; 3 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)     9 FM circuit(s)

• Wave bands
• Broadcast, Short Wave plus FM or UHF.

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Power out
• 1.5 W (unknown quality)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Arosa 24052 Art.Nr.820/38 - Neckermann-Versand KG;

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 280 x 175 x 87 mm / 11 x 6.9 x 3.4 inch

• Notes
• Koffergerät für Portable oder Auto Betrieb mit UKW-Automatic, Anschlüsse für Autoantenne (Koax),- Tonband/Plattenspieler, Kopfhöreranschluß über 3,5 mm Klinkenbuchse, Tonregler, schwenkbare 5 tlg. Teleskopantenne (70 cm), Ferritantenne (16 cm).

• Net weight (2.2 lb = 1 kg)
• 2.3 kg / 5 lb 1.1 oz (5.066 lb)

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Museum Roggenhofer. See "Data change" for further contributors.

• Other Models

• Here you find 557 models, 499 with images and 183 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Neckermann-Versand KG; Frankfurt a.M.