• Country
• Austria

• Manufacturer / Brand
• Ingelen, Elektrotechnische Fabrik Ing. Ludwig Neumann GmbH; Wien

• Year
• 1967 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 62846

• • Brand: Elektrot.Fabrik Ludwig Neumann

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

• Number of Transistors
• 9

• Semiconductors
• AF106 AF125 AF136 AF138 AF137 AC122 AC122 AC117 AC117

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz

• Tuned circuits
• 7 AM circuit(s)     11 FM circuit(s)

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

• Power type and voltage
• Batteries / addl. power jack / 4 × 1,5 / 6 Volt

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

• Power out
• 1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TR-4001 [121661, 121663, 121669, 121761, 121763, 121769] - Ingelen, Elektrotechnische

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

• Dimensions (WHD)
• 280 x 170 x 80 mm / 11 x 6.7 x 3.1 inch

• Notes
•   6 Ausführungen:
  121661 = weinrot
  121663 = royalblau
  121669 = anthrazit
  121761 = weinrot
  121763 = royalblau
  121769 = anthrazit.
  Anschluß für Autohalterung H4000.

• Source of data
• Radiokatalog Band 2, Ernst Erb

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

• Author
• Model page created by Gerhard Heigl. See "Data change" for further contributors.

• Other Models

• Here you find 448 models, 398 with images and 322 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ingelen, Elektrotechnische Fabrik Ing. Ludwig Neumann GmbH; Wien