I’m thinking about getting a new turntable to replace my 4 year old Pro-ject Debut Carbon with an acrylic platter and 2M Blue cartridge (with about 600 hours on it). My budget right now is about $1000 but would consider spending a bit more for right turntable.
Your elliptical stylus tip is probably worn out with 600 hrs on it, replace the stylus with higher model (advanced profile).
If you want to upgrade the SOUND this is all you need to know and it’s written by ORTOFON:
"Cartridge is the key factor in high fidelity reproduction of phonograph records. This is logical, since the cartridge, via the stylus, makes the first and only contact with the record. It is the unit which transforms groove undulations into electrical signals. The stylus has to move (to the left and right, up and down) at very high speeds, deal with extremely high forces, yet maintain surface contact at tracking forces consistent with low record wear, and ensure high channel separation for stereo reproduction.
It is cartridge performance, therefore, that determines basic sound quality before the signals are amplified and played through your loudspeakers. Advanced stylus profile (natural diamond) distributes the stylus pressure over a much wider contact area within the groove than is possible with conventionally shaped diamonds. This provides greatly reduced wear on both record and stylus at the recommended tracking force. In addition, the advanced stylus profile (such as FineLine, Replicant-100, Shibata, LineContact, Stereohedron, MicroLine or MicroRidge…) also provides better tracking ability and lower distortion at high frequencies in the critical inner turns of the groove. Compared with other stylus materials the advanced profiles do cost more, but the extra expense is fully justified by the resulting superior performance and extended life."