If you’re searching for a of the Neckermann catalog from 1985 , you’re likely looking for a higher-quality scan than the grainy, incomplete versions that occasionally surface on forums or archive sites.
If you download a high-resolution scan (from Katalogwelten, for example) but it is just images, you can convert it yourself: neckermann katalog 1985 pdf better
The Hifi-Archiv provides specialized high-quality scans of the electronics and audio sections from various Neckermann editions. The Mysterious Catalog of 1985 Quick action steps