Qualstar

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Qualstar Corporation (NASDAQ: QBAK) is an American manufacturer of magnetic tape data storage products, based in Simi Valley, California. It was founded in 1984 as a 9 track tape drive manufacturer, and now makes tape library products. The company sold its last 9 track tape drive in 2003 [1] and as of March 2006 has sold all remaining parts inventory to Vinastar, an aftermarket vendor [2].