Eventide H90 Manual: A Comprehensive Plan
This manual details the Eventide H90’s setup‚ operation‚ and advanced features‚ covering dual inserts with DAWs and mixing consoles for optimal performance.

The Eventide H90 is a powerful and versatile multi-effects processor‚ renowned for its studio-quality sounds and extensive routing capabilities. This manual serves as a comprehensive guide to unlocking its full potential‚ whether you’re a seasoned professional or a first-time user. It delves into the intricacies of the H90‚ from initial setup and interface navigation to advanced editing techniques and integration with your existing gear.
Explore a vast library of algorithms‚ including harmonizers‚ delays‚ reverbs‚ and more‚ all meticulously crafted to inspire creativity. Learn how to leverage dual insert operation with both DAWs and mixing consoles‚ optimizing signal flow for pristine audio quality. This guide will empower you to create custom presets‚ troubleshoot common issues‚ and seamlessly integrate the H90 into your pedalboard or studio environment.
Unboxing and Initial Setup
Upon unboxing your Eventide H90‚ carefully inspect the unit for any physical damage. The package should include the H90 processor itself‚ a power supply‚ and this comprehensive manual. Before connecting‚ ensure you have the necessary audio cables (TRS or XLR) and a suitable expression pedal if desired.
Connect the H90 to your audio interface or mixing console using the appropriate inputs and outputs. Power on the device and allow it to complete its initial boot-up sequence. Download and install the latest firmware updates via Eventide’s website to ensure optimal performance and access to the newest features. Familiarize yourself with the basic I/O configuration before proceeding.
Understanding the H90 Interface
The Eventide H90 boasts a streamlined interface designed for intuitive control. The front panel features a prominent display screen‚ several rotary knobs‚ and a selection of switches. These knobs are your primary tools for adjusting parameters within selected algorithms and presets. The display screen provides visual feedback‚ showing current settings‚ waveform visualizations‚ and menu options.
Switches navigate menus and select algorithms. Mastering the interplay between knobs and switches is crucial for efficient operation. The interface is designed to be easily navigable‚ allowing quick access to essential functions. Understanding the layout will unlock the full potential of the H90’s powerful processing capabilities;
Knobs and Switches
The H90’s knobs are central to parameter adjustment. Rotating them modifies the selected effect’s characteristics – depth‚ rate‚ mix‚ and more. Precise control is achieved through the responsive nature of these knobs. Switches serve multiple functions‚ including algorithm selection‚ preset navigation‚ and menu access. A dedicated ‘Value’ knob fine-tunes parameters‚ while others control global settings.
Understanding switch combinations unlocks deeper functionality. Holding a switch while turning a knob can access secondary parameters. The H90’s interface encourages exploration‚ rewarding users who experiment with different knob and switch interactions. These controls are the gateway to sculpting unique and inspiring sounds.
Display Screen Navigation
The H90’s display screen provides crucial visual feedback and access to menus. It clearly shows the selected algorithm‚ preset name‚ and parameter values. Navigation is primarily achieved using the ‘Enter’ and arrow buttons. Pressing ‘Enter’ selects options‚ while the arrows move through menus and adjust parameters.
The screen’s layout is intuitive‚ with parameters grouped logically. Contextual help is often available‚ explaining the function of each parameter. Users can quickly scan the display to understand the current settings and make adjustments. Mastering screen navigation is key to unlocking the H90’s full potential.

Core Concepts: Presets and Algorithms
Understanding presets and algorithms is fundamental to using the Eventide H90. Algorithms represent the core effect – like delay‚ reverb‚ or harmonizing – while presets are saved configurations of a specific algorithm with customized parameter settings. The H90 ships with a vast library of both.
Presets allow for quick recall of favorite sounds‚ and serve as starting points for further experimentation. Algorithms define the type of processing‚ while presets define how that processing is applied. Users can create‚ save‚ and organize their own presets‚ tailoring the H90 to their unique sonic needs.

Basic Operation: Loading and Saving Presets
Loading presets on the Eventide H90 is straightforward: use the Up/Down footswitches or the rotary encoder to navigate through available presets displayed on the screen. Pressing the ‘Enter’ button activates the selected preset. Saving a preset involves adjusting parameters to your desired settings‚ then holding the ‘Save’ button while selecting a preset location.
The H90 organizes presets into banks‚ allowing for efficient management of a large collection. Regularly backing up your custom presets is recommended to prevent data loss. Experiment with different presets to understand the range of sounds the H90 offers‚ and don’t hesitate to modify existing ones!
Editing Presets: Deep Dive
The Eventide H90’s editing capabilities are extensive. Select a parameter using the rotary encoder and adjust its value. Many parameters offer fine-tuning via a secondary ‘Shift’ function. Modulation sources‚ like LFOs and envelope followers‚ add dynamic movement to your sounds – assign these via the modulation matrix.
Understanding parameter relationships is key. Small adjustments can yield significant sonic changes. Utilize the H90’s visual display to monitor parameter values. Experiment with different modulation depths and rates to create unique textures. Saving edited presets ensures your customized sounds are readily available.

Parameter Control and Modulation
The H90 offers precise parameter control via its knobs and the display screen. Rotating a knob adjusts the selected parameter’s value‚ visually represented on the screen. The ‘Shift’ button unlocks secondary functions for each knob‚ expanding editing possibilities. Modulation adds dynamic movement; assign LFOs‚ envelope followers‚ or expression pedals to parameters.
Explore the modulation matrix for complex interactions. Adjust modulation depth and rate to sculpt evolving sounds. Experiment with different waveforms and destinations. Careful modulation can transform static presets into lively‚ expressive effects. Remember to save your modulated presets for future use and performance.
Using the Expression Pedal
The Eventide H90’s expression pedal input unlocks real-time control over effects parameters. Assign any parameter to the pedal for dynamic adjustments during performance. Access the assignment menu via the H90’s interface to select the desired control. The pedal’s range and polarity are also customizable‚ tailoring it to your playing style.
Experiment with wah-like effects‚ volume swells‚ or subtle parameter shifts. Utilize the expression pedal for creative soundscapes and expressive solos. Consider assigning multiple parameters for layered control. Save these assignments within your presets for instant recall. The expression pedal significantly enhances the H90’s performance capabilities.
Connectivity Options
The Eventide H90 offers versatile connectivity for seamless integration into your setup. It features dedicated audio inputs and outputs‚ supporting both balanced XLR and unbalanced ¼-inch connections. This allows compatibility with a wide range of audio interfaces‚ mixing consoles‚ and amplifiers. Furthermore‚ the H90 boasts comprehensive MIDI implementation‚ enabling control via external MIDI controllers‚ sequencers‚ or computers.
MIDI allows for preset switching‚ parameter adjustments‚ and synchronization. Explore the H90’s MIDI map for detailed control options. Utilize the connectivity to create complex and automated effects chains. The robust connectivity ensures the H90 adapts to diverse studio and live performance environments.
Audio Inputs and Outputs
The Eventide H90 provides both balanced XLR and ¼-inch TRS/TS connections for audio input and output. Balanced XLR connections minimize noise and interference‚ ideal for longer cable runs and professional studio environments. Unbalanced ¼-inch connections offer compatibility with a broader range of gear‚ like guitars and some audio interfaces.
Inputs accept line-level signals‚ while outputs deliver a clean‚ processed signal to your amplifier or recording device. Proper impedance matching is crucial for optimal audio quality. Experiment with both connection types to determine the best sound for your specific setup and application.
MIDI Implementation
The Eventide H90 boasts comprehensive MIDI implementation‚ enabling seamless integration with your existing MIDI setup. MIDI allows for external control of preset changes‚ parameter adjustments‚ and even footswitch functionality. The H90 responds to standard MIDI Continuous Controller (CC) messages‚ allowing you to map knobs and sliders on your MIDI controller to H90 parameters.
MIDI Clock synchronization ensures the H90’s tempo-based effects remain perfectly aligned with your DAW or other MIDI devices. Configure MIDI channels and CC numbers within the H90’s system settings to customize its MIDI behavior for your specific needs and workflow.
Dual Insert Operation with a DAW
Utilizing the H90 in a dual insert configuration within your DAW unlocks powerful processing capabilities. This setup involves sending a signal to the H90 on one channel and receiving the processed signal back on another‚ effectively placing the H90 “in line” with your audio. This allows for more precise control and integration of the H90’s effects within your mix.
Proper routing is crucial; ensure your DAW sends and receives audio on separate tracks for the insert send and return. This method maximizes the H90’s potential‚ offering a flexible and creative approach to sound design and mixing.
Using the H90 with a Mixing Console
Integrating the Eventide H90 into a live sound or studio mixing console provides a tactile and immediate effects experience. Employing the H90 as an insert effect on individual channels or aux sends allows for dynamic processing of vocals‚ instruments‚ or entire mixes.
Careful gain staging is essential to maintain optimal signal levels and prevent unwanted noise or distortion. Utilize the H90’s input and output controls to match the console’s levels. This setup offers real-time control and creative possibilities‚ enhancing the sonic texture of your live or recorded performances.
Advanced Routing and Configuration
The Eventide H90’s advanced routing capabilities unlock complex signal chains and creative possibilities. Explore utilizing the dual insert functionality for parallel processing‚ sending signals to and from a DAW simultaneously. This allows for layering effects and achieving unique sonic textures.
Configure MIDI routing to control parameters remotely‚ integrating the H90 seamlessly into your existing setup. Experiment with different input and output configurations to optimize signal flow and minimize noise. Mastering these advanced options expands the H90’s versatility‚ enabling intricate and personalized effects processing.
Firmware Updates and System Settings
Maintaining up-to-date firmware is crucial for optimal H90 performance and access to the latest features. Regularly check the Eventide website for updates and follow the provided instructions for installation via USB. System settings allow customization of global parameters‚ including display brightness‚ input/output levels‚ and MIDI configuration.

Explore the system menu to fine-tune the H90 to your specific needs. Backing up your presets is highly recommended before any firmware update to prevent data loss. Proper system configuration ensures a stable and efficient workflow‚ maximizing the H90’s potential.
Troubleshooting Common Issues
Addressing audio dropouts and latency is vital for a seamless experience. Ensure proper cable connections and sufficient processing power from your DAW or mixing console. Check for conflicting MIDI messages or excessive effects chains that may contribute to performance issues. MIDI communication problems can often be resolved by verifying MIDI cable connections and settings within the H90’s global menu.
Restarting the H90 and your host device can frequently resolve temporary glitches. Consult the Eventide support website for detailed troubleshooting guides and FAQs. Regularly updating firmware can also address known bugs and improve stability.

Audio Dropouts and Latency
Experiencing audio dropouts or latency with the H90? First‚ verify all cable connections are secure and of high quality. Increase your DAW’s buffer size; a larger buffer can reduce CPU strain‚ minimizing dropouts‚ but increases latency. Conversely‚ lowering the buffer size reduces latency but demands more processing power. Ensure your computer meets the H90’s system requirements.

Excessive effects or complex routing can also contribute to these issues. Try simplifying your signal chain. Check for conflicting plugins or processes within your DAW. Finally‚ firmware updates often include performance enhancements‚ so ensure your H90 is running the latest version.
MIDI Communication Problems
If the H90 isn’t responding to MIDI messages‚ begin by verifying the MIDI cable connection between the H90 and your controller or interface. Confirm that MIDI transmit and receive channels are correctly configured on both devices. Within the H90’s settings‚ ensure MIDI is enabled and set to the appropriate mode (Omni‚ Single‚ etc.).
Check for MIDI Thru conflicts if using multiple MIDI devices in series. Try connecting the H90 directly to your controller. Update your MIDI interface drivers to the latest versions. Finally‚ consult the H90’s MIDI implementation chart in the manual to confirm compatibility with your controller’s messages.
Exploring Specific Algorithms
The H90 boasts a diverse library of algorithms‚ ranging from classic harmonizers to innovative delays and lush reverbs. Harmonizer algorithms‚ like ‘Crystal’ and ‘MicroPitch‚’ create rich vocal and instrumental textures. Delay algorithms‚ such as ‘Tape Delay’ and ‘Vintage Delay‚’ emulate iconic studio effects. Reverb algorithms‚ including ‘Room’ and ‘Hall‚’ offer realistic spatial ambience.
Experiment with each algorithm’s parameters to unlock its full potential. Dive into the manual’s detailed descriptions to understand the nuances of each effect. Combining algorithms in Dual mode opens up even more creative possibilities‚ allowing for complex and layered soundscapes.
Harmonizer Algorithms
Eventide’s harmonizer algorithms are legendary‚ offering unparalleled vocal and instrumental processing. ‘MicroPitch’ delivers a subtle doubling effect‚ enhancing fullness. ‘Crystal’ creates shimmering‚ ethereal harmonies. ‘Octaver’ adds octave-up or octave-down layers for dramatic textures. ‘H910/H949’ emulates the iconic vintage Eventide harmonizers‚ providing classic sounds.
Explore parameters like ‘Interval‚’ ‘Feedback‚’ and ‘Mix’ to sculpt the harmonies. Utilize the expression pedal for real-time control over pitch shifting. Experiment with different voicings and scales to achieve unique harmonic effects. These algorithms are foundational to the H90’s sonic versatility.
Delay and Reverb Algorithms
The H90 boasts a diverse suite of delay and reverb algorithms. ‘Tape Delay’ emulates the warmth and imperfections of vintage tape machines‚ while ‘Mod Delay’ introduces chorus and vibrato for swirling textures. ‘Dual Delay’ offers independent delay lines for complex rhythmic patterns. ‘Shimmer’ reverb adds octave-up layers‚ creating spacious‚ ethereal soundscapes.
Explore algorithms like ‘Room‚’ ‘Hall‚’ and ‘Plate’ for classic reverb tones. Adjust parameters like ‘Delay Time‚’ ‘Feedback‚’ and ‘Diffusion’ to shape the ambience. Utilize the expression pedal to modulate delay times or reverb decay for dynamic effects. These algorithms provide essential tools for depth and dimension.
Creating Custom Presets from Scratch
Building presets from the ground up unlocks the H90’s full potential. Begin by selecting a base algorithm – harmonizer‚ delay‚ reverb‚ or modulation. Experiment with each parameter‚ carefully listening to the impact of adjustments. Utilize the ‘Snapshot’ function to save intermediate settings during exploration.
Leverage the H90’s modulation capabilities to add movement and complexity. Assign LFOs to parameters like pitch‚ delay time‚ or filter cutoff. Don’t hesitate to combine multiple algorithms within a single preset for unique textures. Save frequently and name presets descriptively for easy recall and organization.

Integrating the H90 into a Pedalboard
Seamlessly incorporate the H90 into your existing pedalboard setup. Consider its placement for optimal signal flow – typically after modulation and overdrive‚ before time-based effects like reverb. Utilize a dedicated power supply to ensure stable operation and minimize noise.
Employ a loop switcher to easily bypass or engage the H90‚ preserving signal integrity. Experiment with different cabling configurations to find what works best for your setup. Remember to manage cable lengths to avoid signal loss or interference. The H90’s compact size makes it surprisingly pedalboard-friendly.
Powering the H90: Considerations
The Eventide H90 requires a stable 9V DC power supply‚ center-negative‚ with a minimum current capacity of 500mA. Using an inadequate power supply can lead to performance issues‚ such as audio dropouts or unexpected behavior. Avoid using battery power for consistent results; the H90 is designed for external power.
Isolate the H90 on its own power supply to minimize interference from other pedals. High-quality‚ regulated power supplies are recommended for optimal performance. Ensure the voltage is correct before connecting the power supply to avoid damaging the unit. Proper power management is crucial for reliable operation.
H90 Control via Mobile App
The Eventide H90 can be controlled wirelessly via a dedicated mobile app (iOS and Android). This app provides a graphical user interface for browsing‚ editing‚ and managing presets. Connect the H90 to your Wi-Fi network and pair it with the app for seamless control. The app mirrors the H90’s front panel controls‚ offering a convenient alternative for editing.
Utilize the app for creating and sharing presets with the Eventide community. Firmware updates can also be performed through the app‚ ensuring your H90 is always up-to-date. Remote control capabilities enhance workflow and expand creative possibilities.
Understanding the H90’s Effects Chain
The Eventide H90’s effects chain is highly flexible‚ allowing for complex signal routing. Each preset consists of an algorithm and associated parameters. Signals can be processed in series‚ with the output of one algorithm feeding into the next. Dual algorithms can operate in parallel‚ offering unique stereo processing options.

Understanding the signal flow is crucial for achieving desired results. The H90 supports both mono and stereo operation‚ with various routing configurations available. Experiment with different algorithm combinations to discover new sonic textures. Proper gain staging throughout the chain is essential for optimal sound quality.
Resources and Further Learning
Expand your H90 expertise with Eventide’s official resources. The Eventide website (eventideaudio.com) offers comprehensive documentation‚ including the full H90 manual and firmware updates. Explore the Eventide forum for community support‚ preset sharing‚ and advanced techniques. YouTube channels dedicated to effects pedals often feature H90 tutorials and demonstrations.
Online forums like Seymour Duncan’s provide valuable user insights and discussions. Consider exploring sound design courses to deepen your understanding of signal processing. Experimentation is key – don’t be afraid to push the H90’s boundaries and discover your own unique sounds!