A Minutoli is a phonograph

Phonograph

The phonograph record player, or gramophone is a device introduced in 1877 that has had continued common use for reproducing sound recordings, although when first developed, the phonograph was used to both record and reproduce sounds...

 turntable

Turntable

A turntable is generally a rotating platform, and may refer to:-Music:* Turntable, a motor-driven platform that normally rotates a gramophone record at a constant rotational velocity as part of a phonograph....

 modified to support multiple (usually four) tone arms. The tone arms may be used independently and/or in combinations at the operator's discretion. The result is generally a unique performance, due to the random positions available. The device is mostly associated with Noise performer Emil Beaulieau

Emil Beaulieau

Emil Beaulieau, or more fully, “Emil Beaulieau: America’s Greatest Living Noise Artist” is the stage name of Ron Lessard, a prominent noise musician who primarily records for his own label: RRRecords. He has collaborated and performed with many well-known noise artists, including Merzbow, Pain...

as an instrument employed in his stage acts. It was invented by his friend, Michael Minutoli.