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Picked up a set of Koss CM/1020 speakers for a bargain. Ended up having to replace some resistors in the crossovers but they sound fantastic. : r/vintageaudio
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Vintage Koss 110 Koss Fire Tower Speakers With grilles. Sound Amazing . | eBay
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KOSS CM/1030 VINTAGE SPEAKERS for Sale in Modesto, CA - OfferUp