How to Examine a Turntable Tonearm? What Can Be Tested at All?

Benny Audio writes: “I was interested in vibrations, so I measured the vibration levels in the vertical axis using a sensor placed at the cartridge point. What was I looking for? I was searching for the frequencies at which the largest vibrations or resonances occur. Why? I was looking into this to improve the tonearm … Continue reading How to Examine a Turntable Tonearm? What Can Be Tested at All?