• Country
• Austria

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

• Year
• 1966/1967

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 9173

• • Brand: Elektrot.Fabrik Ludwig Neumann

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

• Number of Transistors
• 9

• Semiconductors
• GF506 or. AF106 OC171 OC170 OC170 OC170 OC71 OC71 SFT352 or. OC72 or. OC74 SFT352 or. OC72 or. OC74

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

• Tuned circuits
• 5 AM circuit(s)     8 FM circuit(s)

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

• Power type and voltage
• Dry Batteries / 2 × 3 Volt

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

• Power out
• 0.2 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TR55 - Ingelen, Elektrotechnische

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

• Dimensions (WHD)
• 185 x 102 x 37 mm / 7.3 x 4 x 1.5 inch

• Notes
• Ingelen TR55 was produced in Czechoslovakia by Tesla Bratislava, as an export model of Tesla Monika 2815B.

• Net weight (2.2 lb = 1 kg)
• 0.7 kg / 1 lb 8.7 oz (1.542 lb)

• Price in first year of sale
• 895.00 ATS

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• -- Original prospect or advert / Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Unterlagen E.Erb

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

• 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