Hifi Pig | 14 Dec 2015   Keeping your records in pristine condition is vital to their longevity and the lifespan of your cartridges. Stuart Smith cleans up his act with the Clearaudio Smart Matrix Record Cleaning Machine at £775. German brand Clearaudio produce a couple of record cleaning machines (RCMs), the Double Matrix Professional Sonic and the less pricey Smart Matrix Professional which is the subject of this review. The unit retails in the

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