None, if you ask a Linn LP 12 owner. All, if you ask just about anyone else.
For an extreme audiophile experience, I would think an SP 10, SP 15 or 25 with a suitably matched arm cartridge and/or tweaky plinth is what you want.
I have never had one, but still remember the gold old days of listening to music on my Kenwood KD 500 and Yamaha PX 2 in my youth, before audiophilia nervosa set in.
T Bone has a lot of expertise on Japanese turntables if you search for his name.