• Country
• Germany

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

• Year
• 1963 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 92570

• • Brand: Twen Tone

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

• Number of Tubes
• 7

• Valves / Tubes
• ECC85 ECH81 EBF89 ECL86 EM84 ECL86 EZ80

• Number of Transistors

• Semiconductors
• OA172 OA172

• Main principle
• Superheterodyne (common); ZF/IF 472/10700 kHz; 2 AF stage(s)

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

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

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• 4 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: Madrid-Stereo 23531 Art. Nr. 821/44 - Neckermann-Versand KG;

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 590 x 330 x 250 mm / 23.2 x 13 x 9.8 inch

• Notes

• 2 elektrostatische Lautsprecher seitlich. UKW-Stereo vorbereitet, Stecker für Decoder.

  Hergestellt von Körting Radio-Werke GmbH Grassau/Chiemgau für
  Neckermann Versand KG, Frankfurt am Main.

  Siehe auch Körting Madrid 23531 und das Exportmodell Delmonico Stereomatic 1085FX für die USA.

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Sven Hoffmann. 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.