Tend to basics mate. Is you phono cartridge aligned properly? Is your tracking to light or too heavy? Is everything "tight" on your rig (screws that attach cart to tonearm, anything loose that shouldn't be)? Do you use any isolation under your turntable (got to keep things from vibrating)? Do you use a power conditioner? Are your interconnects shielded (important if you are near industry or military)?
A stated above, it's important to have reference recordings that will tell you when your system is misbehaving.
Finally, Although often ridiculed, the accessories in this hobby usually serve some purpose.
A stated above, it's important to have reference recordings that will tell you when your system is misbehaving.
Finally, Although often ridiculed, the accessories in this hobby usually serve some purpose.