Turntable hum

If I hook up the grounding wire from my turntable to my amp the hum gets noticeably louder. What gives?

Yale

yaluaka04-18-2019 8:33pm

stringreen Details Discussions Posts This discussion Message User 6,385 posts 04-18-2019 at 08:58pm Copy Comment URL Report Comment Edit Delete what brand of turntable? I guess it hums even without the ground wire? Is the turntable a new addition? Does it hum with the motor on or off?