Schecter Guitar Research, commonly known simply as Schecter, is a US guitar, bass and amplifier manufacturer.The company was founded in 1976 by David Schecter and originally produced only replacement parts for existing guitars from manufacturers such as Fender and Gibson.n 1999, Schecter added the seven string A-7 Avenger guitar to the 'Diamond Series'. It also introduced the C-1, which was debuted by Jerry Horton in Papa Roach 's  Last Resort  music video. The Diamond Series is still in production to this day.