You need a subsonic filter in your phono stage like this one that has a RUMBLE settingĀ
Gain-DIP switch settings on/off.
3.18 us off / 7950 us on DIP switches 7 & 8
http://www.wyetechlabs.com/preamps/phono/phono.html
3.18 us off / 7950 us on DIP switches 7 & 8
http://www.wyetechlabs.com/preamps/phono/phono.html