Experimental luthiers are luthiers who take part in alternate stringed instrument manufacturing (such as the guitar, violin) or create original string-instruments altogether. Notable experimental luthiers include Yuri Landman, Bradford Reed, and Hans Reichel.
The Gittler guitar is an experimental designed guitar created by Allan Gittler (1928–2003). Gittler realized that sentimental design references to acoustic guitars are unnecessary in an electronically amplified guitar, and designed his instrument with the objective of reducing the electric guitar to the most minimal functional form possible. He made 60 guitars in New York in the mid 1970s to early 1980s.
In the experimental rock and free jazz scenes, many guitar players began modifying their guitars in the tradition of John Cage's prepared piano. Keith Rowe and Fred Frith became known for playing these prepared guitars. The latter also crafted experimental table string instruments. In the early 1980s, Glenn Branca started building his own electric string instruments, called 'mallet guitars', based on the harmonic canons of Harry Partch. Around the same time, Hans Reichel built several 3rd bridge guitars before he invented his daxophone, which he is known for. Bradford Reed developed his Pencilina in the mid 1980s. The Whamola, based on the Washtub bass, was developed in the nineties and became famous largely because it was used by Les Claypool.