Eventide H910 Vocal Demos - 4 PRODUCERS FLIP THE SAME SAMPLE feat. Virtual Riot, Bad Snacks, Sarah the Illstrumentalist - Duration: 17:24. ANDREW HUANG 1,372,563 views The Eventide H3000 Factory™ plug-in is a re-creation of several algorithms from the venerable H3000 Ultra-Harmonizer® that combines pitch, delay, modulation, and filtering in a modular When you purchase the H910 Harmonizer® plug-in, you also receive Eventide’s 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. Introduced in the mid-’70s, the Eventide H910 Harmonizer was the first commercially available digital audio effects unit. Its uniqueog/digital circuit generated iconic pitch change, delay, and modulation effects in previously impossible combinations — with a sound that’s prized to this day. Eventide H910 Vocal Demos.