I have a choice between two turntables to use. The designs seem to be
polar opposites. I'm wondering which one would sound better (one
requires a small investment in parts before I can a/b test them).

The first is a Technics SL-Q6, circa 1982, tiny footprint, Jacket Size
Linear Tracking Tonearm Player System with Precision Optical Sensor,
programable, tone arm on lid.

The other is an AR XA. You know the unit. Sparten in comparison.

Please advise.

Thanks very much.

John