Eventide, Inc
| Company type | Private |
|---|---|
| Industry | Professional audio, broadcast, and communications technology |
| Predecessor | Eventide Clock Works Inc. |
| Founded | 1971 |
| Founder | Stephen Katz, Richard Factor, Orville Greene |
| Headquarters | Little Ferry , United States |
Area served | Worldwide |
Key people | Tony Agnello (founder of audio division and product creator) |
| Products | Digital effects processors, digital signal processing software, guitar effects pedals, digital voice logging recorders |
| Website | www |
Eventide Inc. (originally known as Eventide Clock Works Inc.) is a United States-based company specializing in professional audio, broadcast, and communications technologies. The firm focuses on digital effects processors, digital signal processing (DSP) software, and guitar effects pedals. As a trailblazer in digital audio technology, Eventide’s equipment is extensively utilized across recording studios, post-production facilities, and broadcast environments.
Origins
Established in 1971 by recording engineer Stephen Katz, inventor Richard Factor, and business professional and patent attorney Orville Greene, Eventide commenced its operations within the basement of New York City’s Sound Exchange studio. Their first innovation tackled a common studio challenge: enabling precise tape rewinding without requiring an operator, which led to original equipment manufacturer (OEM) collaborations with Ampex. Among their early developments were a two-second delay unit designed for telephone research applications and an electrostatic deflector aimed at accurate chemical dispensing.
The company’s initial product range included two significant devices: the Instant Phaser, which emerged after their presentation at an Audio Engineering Society event as a novel alternative to tape-based flanging; and the 1745 Digital Delay Line, commissioned by Maryland Public Broadcasting and acknowledged as the first digital professional audio device worldwide.
Beginning with the 1745M model, Eventide extensively integrated random-access memory (RAM) technology. After acquiring a Hewlett-Packard computer to aid in creating reverberation algorithms—and recognizing the high cost of memory upgrades—they began producing HP-compatible RAM expansion boards from the late 1970s through the mid-1990s.
In 2017, co-founder Richard Factor recounted Eventide’s development journey during interviews featured on the Gear Club podcast.
Aviation
Following the company’s move from Manhattan to New Jersey, Eventide’s president obtained a private pilot license and identified an unmet need in general aviation: the lack of moving map displays for small aircraft. This insight prompted the creation of Argus, which became the first moving map system and one of the earliest multifunction displays designed specifically for general aviation, thereby advancing navigation technology within this specialized sector.
Digital voice logging and recording
During the early 1990s, Eventide broadened its portfolio to include digital voice logging recorders aimed at broadcasters, law enforcement agencies, emergency response centers (911), and utility companies. Their initial models—such as the VR240, VR320, DiR-911T, VR615, VR725, and VR778—achieved worldwide deployment by delivering enhanced audio fidelity and greater storage capacity compared to traditional analog solutions.
In 2012, Eventide introduced the "NexLog" Communications Recorders tailored for public safety systems including P25 networks, NG911 infrastructures, utilities, and air traffic control operations. These critical systems are designed to capture, archive, and manage multimedia communications vital for mission-critical reliability.
The launch of the "NexLog DX-Series" in 2020 further advanced virtualization capabilities, increased channel support up to 540 per unit, and incorporated comprehensive HTML5-based monitoring and playback functionalities for voice recordings, PC screen captures, images, video streams, and data—solidifying Eventide’s leadership in communications recording technologies.
H910 Harmonizer
Introduced at the 1974 AES convention, the Eventide H910 Harmonizer was met with enthusiasm from industry professionals. Created by Tony Agnello, Eventide’s founder who later led its audio division, this device provided pitch shifting within a range of ±1 octave, delay times up to 112.5 milliseconds, and feedback regeneration—all within an accessible unit priced at $1,600. The model’s name pays homage to the Beatles’ track "One After 909."
Its inaugural commercial application was by New York’s Channel 5, which used the H910 to correct pitch on accelerated reruns of I Love Lucy, allowing for more advertising time without compromising audio integrity. The H910 quickly became a staple for prominent artists and producers: Frank Zappa and Jimmy Page integrated it into their guitar setups; Tony Visconti employed it on David Bowie’s Low album; Tony Platt utilized it on AC/DC’s "Back in Black"; and Chuck Hammer incorporated it into guitar synthesizer rigs alongside Lou Reed and Bowie.
A significant factor in Eventide’s growth was the “Dual Harmonizer” technique—combining two slightly detuned H910 units with delay—which Eddie Van Halen famously used to craft his distinctive guitar tone, and Tom Lord-Alge applied on Steve Winwood’s "Back in the High Life Again." This approach was later formalized as the "Dual 910" preset within Eventide’s H3000 UltraHarmonizer during the late 1980s.
The H910 also marked Eventide’s initial venture into cinematic sound design, notably contributing to the creation of R2-D2’s voice in Star Wars. Honored with a TECnology Hall of Fame induction in 2007, the Harmonizer name remains an essential asset for Eventide’s branding and market presence.
Timeline of noteworthy products
- PS 101 Instant Phaser (1971) - The first studio phaser and pro audio's pioneering rack-mount effects unit, featured on legendary recordings such as Led Zeppelin's "Kashmir." It utilized analog all-pass filters to achieve phase shifting.
- 1745 Digital Delay Line (1971) - The earliest digital professional audio device with two independent delay channels offering up to 200 milliseconds delay. It debuted at the 1973 Summer Jam at Watkins Glen and was inducted into the TECnology Hall of Fame in 2018.
- DDL 1745A (1973) - Improved version of the original 1745 with enhanced user-friendly shift registers.
- Omnipressor (1974) - Broke new ground in dynamic processing by introducing effects such as dynamic reversal, infinite compression, and side-chain compression beyond conventional compressors.
- DDL 1745M (1975) - Featured RAM for higher resolution delay control and an optional pitch change module; among the first devices to provide music-grade frequency response.
- Instant Flanger (1975) - One of the earliest professional flangers authentically recreating tape flanging effects using bucket brigade delay chips.
- H910 Harmonizer (1975) - The first commercially available pitch changer combined with a digital multi-effects processor.
- BD955 (1977) - Broadcast delay unit enabling real-time content censorship, following a custom-built delay system created for WPLJ NY 95.5.
- H949 Harmonizer (1979) - Delivered precise pitch manipulation alongside vocal doubling and reduced artifacts.
- SP2016 (1982) - Early digital reverb processor featuring DSP technology and pioneering an SDK for third-party plug-in development.
- H3000 (1986) - Introduced intelligent diatonic pitch shifting powered by a 16-bit TMS320 DSP chip.
- DSP4000 series (1994-1998) - User-programmable processors providing extensive DSP features including sampling functions in the DSP4500 model.
- DSP7000 & DSP7500 (2001) - Advanced pitch shifters and effects units offering substantially enhanced processing capacity and sampling rates.
- Orville (2001) - Doubled processing power compared to earlier models, supporting up to eight simultaneous channels.
- Eclipse (2002) - Eventide’s first effects processor housed in a single rackspace unit, optimizing studio workflow integration.
- Clockworks Legacy (2003) - Software plug-ins that faithfully emulate classic Eventide hardware effects and DSP algorithms.
- BD500 (2004) - Fourth-generation broadcast profanity delay with an extended maximum delay time of 40 seconds.
- Anthology TDM Bundle (2005) - A software compilation featuring classic Eventide effects tailored for professional studio environments.
- H8000FW (2005) - Successor to Orville boasting increased processing power for complex audio applications.
- H7600 (2006) - Enhanced version of the DSP7000 series with superior processing capabilities aimed at broadcast and film production sectors.
- Stompbox Line (2007) - Compact pedal format units including TimeFactor, ModFactor, Pitchfactor, Space, H9, and Powerfactor designed for both live performance and studio use.
- H9000 Network Effects Platform - A modular ARM-based DSP system delivering scalable processing power suited for advanced audio production demands.
See also
External links
- Official website of Eventide Audio Division
- Official website of Eventide Communications Division
- Eventide’s YouTube channel
- Eventide on Facebook
- Eventide’s Twitter profile
- Interview with Richard Factor at the NAMM Oral History Collection (2021)
- Interview with Tony Agnello at the NAMM Oral History Collection (2021)
- 1971 establishments in New Jersey
- Music equipment manufacturers
- Manufacturers of professional audio equipment
- American companies established in 1971
- Electronics companies established in 1971
- Privately held companies based in New Jersey
- Manufacturing companies based in New Jersey
- Companies based in Bergen County, New Jersey
- Audio equipment manufacturers of the United States
- Little Ferry, New Jersey
- Guitar effects manufacturing companies
- Audio software companies
- Companies of the United States by year of establishment