Mostly live a Fender Strat. But I have seen him use a Flying V from Gibson, he was into Albert King. In the studio he used Gibsons a lot because they stayed in tune better.

Check this link for the equipment used by Hendrix. http://www.geocities.com/SunsetStrip/8157/jhgear.html

Most of them were Fender Stratocasters. From 1966 to 1968 Jimi used an assortment of rosewood-neck model and on rare occasion he would use a maple-neck model. In the Fall of 1968 Jimi acquired two new Strats. The first one was a black maple-neck model. The second Strat Hendrix purchased was a blond-maple neck model. As the book, Jimi Hendrix: Electric Gypsy points out, "these two models remained Jimi's main choice of guitar for the rest of his career." Although Jimi is most identified with the Fender Stratocaster, he owned and played many other makes of guitars. For example, he owned a '59 Hofner Club 40. Jimi also owned an Epiphone Acoustic, and a '67 Gretsch Corvette. Along with these guitars Jimi owned a Fender Jaguar and a Fender Jazzman. Towards the beginning of his career, Jimi purchased a Gibson Flying-V. Jimi can be seen playing this guitar in a few pictures from his '67 American tour. In 1970 Jimi purchased a black Flying-V. This guitar was used in live performance for songs such as "Hey Baby(Land of the New Rising Sun"), as well as a few other melodic numbers. A few other Gibson guitars that Hendrix owned included a black Les Paul, and a white SG Custom type 2. Jimi played this SG for his September 9, 1969 appearance on the "Dick Cavett Show."