KCAC (1010 AM) was a radio station in Phoenix, Arizona that began with a rhythm and blues format in 1961, changed to a Spanish-language format in 1966, and then served as that market's first free-form station from 1969 to 1971, when it declared bankruptcy. In its free-form incarnation, it had a major impact on Phoenix's counter culture of that time and its DJs formed the basis of KDKB-FM, which has gone on to be a notable Album Oriented Rock station.