Eventide H910 Harmonizer Manual: Unveiling the Secrets of Phasing and Compression

In the world of audio effects, there are few devices as iconic or influential as the Eventide H910 Harmonizer. This revolutionary unit not only changed the sound of music but also paved the way for a new generation of outboard effects boxes. In this article, we'll delve into the fascinating story behind the H910 and explore its unique features, including phasing and compression.

Phasing: The Forgotten Effect

Phasing is often misunderstood or overlooked in favor of more popular effects like flanging. However, it's an intriguing sound that shares similarities with flanging. Unlike time-based delay effects, phasing relies on phase shift to create a distinct sonic signature. This capacitor-based approach results in harmonically and acoustically unrelated peaks and notches, giving phasing a unique character.

The H910 Harmonizer was one of the first outboard devices to incorporate phasing, offering an instant solution for musicians seeking to add a new dimension to their sound. No longer did they need to rely on tape machines or cumbersome setups; the H910 was designed to be mounted in a rack and ready to use.

Omnipressors: The Ultimate Compressor with Attitude

Another legendary Eventide product is the Omnipressor, a compressor, limiter, gate, expander, and more. Introduced in the early 1970s, this innovative device was described as having 'attitude' by its creators. It's no wonder why – the Omnipressor offers an array of unconventional capabilities that set it apart from other compressors.

One of its most striking features is infinite compression, which allows for a constant output level regardless of input level changes. This can be particularly useful in live performances or when working with dynamic microphones. The Omnipressor also boasts the ability to flip the attack and decay of a sound, creating an unusual effect that can add depth and interest to a track.

But that's not all – this versatile device can also be used for conventional compressing, limiting, and gating tasks. With its unique capabilities, it's no wonder why the Omnipressor has gained a loyal following among audio professionals and musicians alike.

Design and Development

The H910 Harmonizer and Omnipressor share a common thread in their design and development. Both devices were created with a focus on innovation and experimentation, pushing the boundaries of what was possible with audio processing.

Early versions of the Omnipressor featured pear detectors and VCA modules purchased from dbx, while later models retained the dbx VCA but used a homegrown detector circuit. This evolution highlights the company's commitment to continuous improvement and refinement.

The Eventide H910 Harmonizer and Omnipressor are testaments to the power of innovation and creativity in audio processing. These legendary devices have inspired generations of musicians, producers, and engineers, and continue to be sought after by those seeking to add a unique touch to their sound.

Whether you're looking to explore the world of phasing or discover the versatility of compression, these Eventide products are sure to captivate and inspire. As we delve deeper into the secrets of audio processing, it's clear that the H910 Harmonizer and Omnipressor remain an integral part of music history – a true testament to the power of innovation in sound design.

Eventide h910 harmonizer manual