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Eventide H90 HARMONIZER

Description

Essential Information About the Eventide H90 Multi-Effects

  • 62 algorithms (including 10 new ones) and Eventide processing quality designed for both studio and stage.
  • "Twin-Turbo" mode: two algorithms usable simultaneously, with series or parallel routing and spillover between presets.
  • Pedalboard nerve center: full I/O, instrument or line levels, and two mono insert points (or one stereo insert) placeable anywhere in the signal chain.
  • Built for live: OLED screen, dedicated controls, PERFORM mode with assignable footswitches, HotSwitches, expression, MIDI, and USB-C.

From the Harmonizer lineage: the modern evolution beyond the H9 Max

The H90 is rooted in Eventide's "Harmonizer" DNA, a landmark brand in creative effects for decades. It carries forward the spirit and a broad algorithm base from the H9 Max, while stepping up with a modern ARM architecture derived from the brand's high-end processing technologies. The result: more DSP power, improved performance on existing algorithms, and access to a new generation of advanced effects, notably low-latency polyphonic pitch-shifting via SIFT technology.

Who is the H90 for? The premium multi-effects for demanding guitarists (and much more)

The H90 targets musicians seeking a professional multi-effects unit without compromise: guitarists, bassists, keyboardists, and sound designers. It excels in rock, pop, metal, blues, prog, ambient, and electronic music, equally suited for crafting "mix-ready" sounds in the studio or securing a live set with quick changes. If you like stacking reverb + delay, creating harmonizations, or switching from experimental textures to classic tones with one click, it quickly becomes the centerpiece of your rig.

Controls, modes, and routing: an H90 designed as an effects workstation

The "Twin-Turbo" concept allows combining two algorithms within the same preset, with series or parallel routing and smooth spillover during preset changes. The two mono insert points (or one stereo insert) facilitate integrating external pedals exactly where you want them. The dual mode enables advanced scenarios: four-cable method, or simultaneous processing of two independent stereo signals.

For the stage, the front panel has been optimized with five push buttons, seven LED buttons, and an OLED screen. In PERFORM mode, you get six programmable footswitches, plus three HotSwitches to trigger multiple instant variations. Control extends via two expression/control inputs, MIDI (DIN), and USB-C (control, updates, MIDI), with a built-in tuner. Editing and management (presets, playlists, updates) are also done via the dedicated H90 Control software on Mac or PC.

Sound

The H90's sonic signature blends definition, depth, and creativity. You get precise delays (up to "bouquet" ambiances), rich modulations (phaser, flanger, vibe), reverbs capable of filling space without muddying the attack, and especially responsive and musical pitch treatments (including polyphonic). Depending on the chosen algorithm, the sound can remain very clean and modern or, conversely, deliberately textured for "otherworldly" effects. The dynamics respond well to playing: subtle, it enhances your base tone; pushed, it becomes a true expressive instrument.

Technical Specifications

Algorithms & Presets

  • Preloaded with 62 effect algorithms
  • 10 new algorithms: Polyphony, Prism Shift, Bouquet Delay, Head Space, WeedWacker, Even-Vibe, Wormhole, Instant Flanger, Instant Phaser, and SP2016 Reverb
  • Includes the 52 algorithms from the H9 Max Harmonizer with features and improvements
  • Low-latency polyphonic pitch shifting with SIFT (Spectral Instantaneous Frequency Tracking) technology
  • Simultaneous use of two algorithms per preset
  • True spillover between presets
  • Effects routing in series or parallel
  • Dual mode: simultaneous processing of two independent stereo signals
  • Built-in tuner
  • H90 Control software: preset editing, list creation, firmware updates, user list import/export, remote control
  • Register the H90 in a user account to download H90 Control (Mac or Windows)

Format & Power Supply

  • Power supply: 12V DC @ 1A / center positive (+), 5.5/2.5mm jack
  • Dimensions: 170 (W) x 136 (D) x 68 (H) mm

Connectivity

  • Inputs 1 to 4: 6.35mm mono TS jack
  • Outputs 1 to 4: 6.35mm mono TS jack
  • Exp/Ctl 1 to 2: 6.35mm TRS jack (expression pedal or auxiliary switch)
  • USB Type-C: USB 2.0 for control, updates, and MIDI
  • MIDI Input: 5-pin DIN (female)
  • MIDI Out/Thru: 5-pin DIN (female)
  • DC Input: 5.5/2.5mm connector / center positive (+)

Analog I/O

  • Input impedance (instrument level): >600k ohms
  • Input impedance (line level): >80k ohms
  • Output impedance: 220 ohms
  • Recommended load impedance: 10k ohms
  • Maximum input level (instrument): +4dBu
  • Maximum input level (line): +14dBu

Included Accessories

  • Eventide H90 multi-effects pedal
  • Documentation

Power Consumption

  • Required power supply: 12V DC, center positive (+)
  • Current: up to 1000 mA
Brand reference number: 4850302S02015

Testimony

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Use
Excellent multi-effect, both with a vintage playing style (rotary slapback) and with a more fusion style, the algorithms are top. Perfect for creative use as well. Easy PC connection, software quite easy to use. Integration into the pedalboard is obvious. For routing, you can do everything. I highly recommend the big boy from Eventide. However, you need to immediately create your own sounds, the factory sounds are all too much.
Certified
Posted on 13/04/2024
By Franck J.

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