I would start by realigning your cartridge. Make it as perfect as you can with the tools you have. If that doesn't work, buy better alignment tools.
Inner groove distortion as tonearm moves toward the center of record What is cause??
What exactly produces INNER GROVE distortion??
Is it a poorly aligned cartridge, or a mismatch between the cartridge and tonearm combo???
Is this distortion more evident on budget tables, and/or tables under $500??
Thank you,
S.J.