Eventide H90 Harmonizer/Multi-Effects Pedal

zZounds Gear Experts Say...
Ready to be the heart of your board, Eventide's H90 Harmonizer features 64 effect algorithms and hundreds of programs -- everything from the H9 Max and more!

The H90 Harmonizer is Eventide's next-generation multi-effects pedal. Whether you want high-quality bread and butter effects or experimental sounds unheard, the H90 has everything you need to inspire your creativity with an intuitive UI designed with players in mind. Discover why top artists and producers have chosen Eventide through the years with 64 effect algorithms and hundreds of Program combinations curated for a variety of instruments and genres. With its comprehensive I/O and flexible routing options, the H90 is designed to be the heart of your rig.

H90 Harmonizer features modern ARM-based architecture derived from the world's most powerful effects processor, Eventide's flagship H9000 Harmonizer. This paves the way for the ongoing creation of more advanced effects processing techniques. As a result, the pedal not only offers the iconic reverbs, delays, modulation, and pitch shifting effects of the H9 Max but goes far beyond with 12 powerful algorithms including state-of-the-art, fast-tracking, and warble-free Polyphonic Pitch Shifting. Eventide's proprietary SIFT (Spectral Instantaneous Frequency Tracking) technology clears the road ahead for next- gen effects both long imagined and unimaginable.

Nine algorithms exploit the H90's raw power:
- PolyFlex - Chord-bending pitch shifter allows you to perform polyphonic dive bombs or transform your guitar into a pedal steel.
- PolySynth - Transforms your guitar into a synthesizer with three independent voices, each with read more controls for level, shift amount, and wave shape.
- Polyphony - Pitch shift chords with ease using SIFT technology. Create rising or sinking chorus and crystals-type effects. Use Freeze to generate pad textures.
- Prism Shift - Generate three voices from a single chord whose intervals are separated, staggered, and pitch-shifted to create four arpeggio types spanning up to three octaves.
- Even-Vibe - Authentic Uni-Vibe emulation reimagined in stereo with envelope followers.
- Head Space - Vintage four-head Tape Delay with classic and modern creative tone shaping controls for grit, spatiality, and character.
- Bouquet Delay - Bucket Brigade Delay (BBD) with modulation, LoFi, and Modern flavors; includes Pitch jump and Self-oscillation performance functions.
- Wormhole - A mega-sized hyper-modulated reverb with pitch warping performance.
- Weedwacker - Two-stage, serial overdrive reminiscent of a famous green pedal.

Three algorithms from Eventide's acclaimed rackmount processors place these legendary effects at your feet:
- Instant Phaser - Authentic emulation of the world's first studio Phaser from 1971 notably used in Led Zeppelin's "Kashmir."
- Instant Flanger - Authentic emulation of the world's first studio Flanger heard on countless hit records.
- SP2016 Reverb - The legendary Room, Stereo Room, and Hi-density plate from the original studio rackmount.

That's not all. All previous H9 Max algorithms have been enriched with features previously only available on the dot9 pedals and plug-ins. Others have been enhanced to take advantage of the advanced pitch-shifting.

Twin-Turbo Program Power

Two of these already impressive algorithms can be combined into a Program to create novel, inspiring sounds. H90 Harmonizer's dual algorithm design features true spillover between Programs, series or parallel effect routing, and flexible I/O.

Two mono inserts allow you to incorporate outboard effects in any configuration or combine them for one stereo insert. Optimize your signal flow with instrument or line level operation and full gain controls to incorporate H90 into your rig or make it the centerpiece.

Dual Mode lets you do things like connect using the four-cable method or process two independent stereo instruments at once! Let the H90 Harmonizer take you beyond the effects horizon.

Live Performance Machine

The H90 Harmonizer is a live performance powerhouse! The front panel has been reimagined with five push knobs, seven LED buttons, and a hi-res OLED display for greater hands-on control and parameter feedback. Two large push knobs allow you to switch between SELECT, BANK, and PERFORM modes with ease.
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-Power requirements: 12 VDC, 1 Amp center positive (+), 5.5mm/2.5mm jack
-Pedal dimensions: 6.5 in x 5.25 in x 2.75 in
-Pedal weight: 1.85 lbs
-Package includes: Eventide Sticker, 4x Rubber feet, Guitar pick, Universal power supply, USB A to type C, Quick reference guide
Dimensions and Weight in Packaging
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Shipping Weight: 2.96 lbs
Shipping Dimensions: 11 x 7 x 3 in
Manufacturer Part Number (MPN): 1225-000

For support or warranty questions, please contact the manufacturer:
Phone: 201-641-1200

Reviewers gave this product an overall rating of 5 out of 5 stars. (3 ratings)
Submitted January 11, 2025 by Brent B in Plano, TX

"THE studio grade creativity box for your instruments"

Overall: 5 out of 5 stars
(see rating details)
Verified Purchaser zZounds has verified that this reviewer purchased this specific product from us.
In the world of pro-audio effects processing Eventide is a legendary name that has stood as an industry leading innovator for decades now. You already most likely know Eventide essentially created the concept of using studio signal processing as a creative tool and many of the the audio effects we love were either invented or perfected by Eventide.The H90 is another classic example of Eventide's implementation of their most famous and iconic effects. As it is blood related to the extremely popular H9, the H90 expandes on this already powerful device and adds a second layer for an effect preset allowing you to run two effects algorithms simultaneously. The I/O is also expanded allowing for a whole new level of signal routing for your rig.For the effect algorithms you get everything from the H9, plus several brand new H90 exclusive effects. It covers everything from your "standard" time based modulations (delay, reverb, chorus, etc), as well as different types of drives and saturations. You are able to mix two of these algorithms and route them anyway you please via the comprehensive multi in/out stereo I/O.All technical aspects aside, Eventide does a very good job with the interface design. It's true that this is an exceedingly powerful multi effects unit, but it's intuitive, easy to power up, and very instant as far as diving in and exploring presets go. It's simple to use for those that just want to dabble in the extensive pre-sets (all of which are well thought out and excellent read more sounding), but through easy to understand settings, the advanced user can adjust tweak or create fully custom presents on the flyThis has really inspired me to get creative and explore tones that are out of the ordinary and simply not possible through daisy chaining individual pedals

Sound
The eventide effects algorithms used on the H90 are some of the most famous examples of each specific type of effects. For example the "Blackhole Reverb" is widely considered to one of the best reverbs on the market. They all sound awesome. Each is unique but traditional types of effects are also easily dialed in for when you want to take it down a notch. The h90 will take your instrument tones to a whole new universe.

Features
The most useful aspect of the user interface is the big encoders that control the most important parameters and allows extreme ease the choosing of presets. Tweaking specific parameters and making custom presents is a bit menu dive, and also somewhat cumbersome, but you really can adjust just about any aspect of anything on the H90The rear I/0 is also super useful. There are literally too many ways that you can wire this into your rig to name here, but the eventide forums are a great resource for all that.

Ease of Use
It couldn't be easier to get awesome sounds from the H90. Plug in, power-up, choose pre-set, jam. Just pick any pre-set, they are all amazing and inspiring.

Quality
In typical Eventide fashion, the h90 is built like a tank. I almost exclusively use the H90 in the studio for recording, but I would have 100% confidence in its reliability if I ever gigged it or used it in any kind of live situation.

Value
It's expensive, but this is a legit pro-audio effects processor with studio grade connectivity and sound quality so cost is quite relative. If you've got the budget and you want to level your rig up, get this.

The Wow Factor
Very very appealing, lets you do things you otherwise couldn't do

Musical Background:
Rockin' places and meltin' faces via heavy metal for 25+ years

Musical Style:
LOUD
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