TRV112 Portable

• Country
• Austria

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

• Year
• 1960/1961

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 9150

• • Brand: Elektrot.Fabrik Ludwig Neumann

• Picture
• Schematics

Previous Next

Previous Next

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

• Number of Transistors
• 7

• Semiconductors
• OC44 OC45 OC45 OC71 OC71 OC74 OC74 OA79 OA79

• Main principle
• Superheterodyne (common); ZF/IF 459 kHz; 3 AF stage(s)

• Tuned circuits
• 8 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Dry Batteries / 2x4,5 Volt

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

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

• from Radiomuseum.org
• Model: TRV112 Portable - Ingelen, Elektrotechnische

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

• Dimensions (WHD)
• 220 x 150 x 68 mm / 8.7 x 5.9 x 2.7 inch

• Notes
• ZF=468 kHz für Sender Laibach, durch Stempel am ZF-Trafo gekennzeichnet.

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

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

• Source of data
• -- Original-techn. papers. / Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Unterlagen E.Erb

• 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