Fernandes Sustainer

The Fernandes Sustainer is a device fitted to the electric guitar, usually in models produced by Fernandes Guitars, but it is also supplied as a kit for fitting to new or existing guitars.

It works on a similar principle to that of Michael Brook's Infinite Guitar, and can be considered a commercial version of such. It is not the first such attempt, and its main commercial rival is the [http://www.sustainiac.com/ Sustainiac] , used on many Hamer electric guitars, such as the Chaparral, Diablo and Californian superstrats, as well on most Jackson electrics such as the Phil Collen signature PC-1 and other various Soloist and Dinky models.

When activated, the note from a standard guitar pickup is amplified and fed back into a separate pickup coil. When this additional impulse is in phase with the string vibration, the result is a continuous sustained note.

Both the Sustainer and Sustainiac infinite-sustain devices feature a special-design humbucking pickup usually placed in the neck position and two mini-toggle selector switches for mode selection (fundamental, harmonic and blend). The whole system is driven by an active on-board circuit with a 9V (or 18V) power supply.