Quote:
Originally Posted by radiotvnut
I've ruined a few polystyrene 45's by just a single playing with an inferior power point cartridge and I've seen these bad cartridges change the color of the record grooves as it played.
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Polystyrene? I thought there were only only three types of material used to make records: Shellac(78's), Lacquer coated aluminum(for home/professional record cutting machines), and Vinyl(LP's and 45's).