• Country
• Austria

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

• Year
• 1966

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 62843

• • 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 AF126 AF126 AF126 OC304 OC304 AC132 AC132

• Main principle
• Superheterodyne (common); ZF/IF 459 or 468/10700 kHz

• Tuned circuits
• 6 AM circuit(s)     10 FM circuit(s)

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Power type and voltage
• Dry Batteries / 4 x 3 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TR420 - Ingelen, Elektrotechnische

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

• Dimensions (WHD)
• 215 x 135 x 65 mm / 8.5 x 5.3 x 2.6 inch

• Net weight (2.2 lb = 1 kg)
• 1.2 kg / 2 lb 10.3 oz (2.643 lb)

• Price in first year of sale
• 1,295.00 ATS

• Source of data
• -- Original prospect or advert / 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