Preservation of groove

Styli (“needles”) scrape. Lasers tend to generate heat. Another approach:

Incidentally, “scrape” is the kindliest word I could think of: a decent elliptical-stylus phono cartridge with a vertical tracking force of 1 gram exerts pressure on the record to the tune of 30,000 to 69,000 lb per square inch.

Comments are closed.