At extreme settings, you can create unheard-of mechanical sounds, drone effects or robot language using self-oscillation, delay, and anti-feedback. The Eventide H910 Harmonizer was the worlds first digital effects processor. With its unique combinations of pitch shifting, modulation and delay, the Eventide H910 can be heard on countless ground-breaking works by artists from AC/DC to David Bowie to Frank Zappa. Simply put, nothing sounds quite like it. When you purchase the Eventide H910 Harmonizer plug-in, you also receive Eventides exclusive H910 Dual Harmonizer. This version recreates the popular technique of running two H910 units in parallel to create lush doubling and other interesting effects.

The original Eventide H910s unique pitch change method introduced random glitches into the audio and the word glitch into the audio engineers vocabulary. Not surprisingly, artists found creative ways to use the glitch and, in fact, years later when the Eventide H949 was introduced with advanced de-glitching circuitry, some users were disappointed that the glitch was gone.

In addition to the glitch, all of the quirkiness of the original H910 has been emulated.

The design predates the introduction of the CD and digital audio sample rate standards (e.g.

Eventide h910 harmonizer setup