My old Pioneer turntable must have spend 20yrs in my loft and was ok when it was brought down apart from a dust and lube it was fine and worked ok. Its probably also down to how it was stored and in what enviroment.
Technics SL1210 MK2 fully rebuilt and repainted. Ortofon 2M Black Cart, Isonoe isolation feet , MN bearing and Funk Firm platter upgrade, Oyaide RCA Tone Arm and speaker cables, Jelco SA-750D Tonearm. Oyaide HS-TF Carbon headshell, MCRU Linear External PSU, High Fidelity Crystal glass turntable matt, Blue LED upgrade, Denon AVR-2808CI Amp, Bowers and Wilkins DM602S3 Speakers,
Black Rhodium Jazz power cables for amp and turntable, Firebottle mk2 Phono Stage.