Overview

Plugin type: Multi-tap stereo delay effect

Description: The Harrison 3D Delay is a stereo delay plugin consisting of three adjustable Delay Taps that can be individually panned and timed. 

Supported formats:

• AAX
• VST
• VST3
• AU

Supported channel configurations:

• Mono
• Mono-to-stereo
• Stereo

Controls

• Input: The following controls affect the input signal fed to the three Delay Taps.
  • High Cut: Adjusts the frequency of the input low-pass filter. 
  • Low Cut: Adjusts the frequency of the input high-pass filter.
• Output: The following controls pertain to the output stage of the plugin.
  • Wet/Dry Mix: Adjusts the wet/dry mix of the output signal.
  • Wet Trim: Trims the output level of the overall delay signal.
• Delay Taps (Left, Center, Right): The three Delay Taps can be individually adjusted with the following controls.
  • In/Out: Toggles the enablement of the Delay Tap. If unselected, the Delay Tap signal will essentially be muted and the corresponding controls and graph component will be disabled. 
    • Disabling a Delay Tap does not affect any signal that is being fed back to/from it internally.
  • Input Level: Trims the input level of the Delay Tap.
  • Output Level: Trims the output level of the Delay Tap.
  • Pan: Adjusts the stereo pan of the Delay Tap.
    • The Pan control has no effect in mono-to-mono channel configurations.
  • Delay Time: Adjusts the delay time of the Tap in 16th notes. 
  • Delay Fine Adjust: Finely adjusts the delay time of the Tap in milliseconds.
• Delay Tap Graph Display: Allows for graphically controlling the Delay Tap parameters.
  • Each of the three Delay Taps have a corresponding graph component that can be clicked and dragged to adjust the Pan and Delay Time.
  • Each graph component has a elliptical meter around it that indicates whenever there is signal present in the corresponding Delay Tap.
• 16th Snap: If selected, the Delay Time parameters of the Taps will automatically snap to the nearest whole 16th value. 
• Modulation: Adjusts the intensity of the delay modulation, with no modulation at 0% and full modulation at 100%. 
• Tempo: The following controls pertain to the tempo/BPM of the delay.
  • Tap Tempo: Allows for setting the BPM by clicking this button repeatedly at the desired tempo.
  • BPM: Sets the amount of beats-per-minute which determines the overall speed of the Delay Taps. 
  • Host BPM Sync: If selected, the plugin will use whatever BPM value is set in the host/DAW and the Tap Tempo and BPM controls will become disabled. 
• Feedback: The following controls adjust the feedback behavior of the Delay Taps
  • Feedback LR-C: Adjusts the percentage of the Center Tap signal that gets fed back into the Left and Right Taps or vice-versa
    • At 0%, no signal is fed between the Center and Left/Right Taps
    • Values below 0% will cause the Center Tap signal to be fed back into both the Left and Right Taps
    • Values above 0% will cause the signals from the the Left and Right Taps to be fed back into the Center Tap
  • Feedback L-R: Adjusts the level of signal fed back between Left and Right Taps 
  • Master Feedback: Adjusts the overall level of signal fed back into all three Delay Taps
  • Linear Feedback: Adjusts the level in which each Delay Tap feeds back into itself
  • Feedback Damping: Adjusts the gain of the HF roll-off applied to the feedback signal
• Presets: A variety of presets can be applied by selecting any of the 10 preset buttons

Additional Features

At the top-right corner of the plugin window are the Momentary Bypass and Settings buttons.

Momentary Bypass

The Momentary Bypass button bypasses the plugin for as long as it's held. This is useful for auditioning A/B comparisons quickly. 

Settings

The Settings button reveals a pop-up menu where the window size can be adjusted. It also contains a link to the plugin manual and version info at the bottom.

Control Behaviors & Shortcuts

Various mouse & keyboard shortcuts can be used to perform certain actions on the following controls:

Sliders/Knobs

Labels

Combo Boxes (Drop-down menus)

Band Controls

Graph Rulers

System Requirements

Your system should meet one of the following OS version requirements in order to run Harrison plugins:

PC:

• Windows 11
• Windows 10*

Macintosh:

• macOS 26 Tahoe
• macOS 15 Sequoia
• macOS 14 Sonoma
• macOS 13 Ventura – 10.15 Catalina*

* NOTE: We do not actively test these older operating systems as they are no longer supported by their respective developers, but we currently know of no reasons the current versions of our plug-ins will not work on these systems. That said, your mileage may vary; if you are running an older OS version, we recommend you demo our product to verify that it is compatible with your system before purchasing. If you need access to older versions of our products, please check the SSL/Harrison Legacy Plugins Download list.

macOS Apple Silicon/ARM Support: This plug-in is provided as a universal binary for macOS and features native Apple Silicon support.

Note for Pro Tools users: Pro Tools 11 or higher is required on Mac, 10.3.5 or higher is required on Windows.

Additional requirements on Windows

Harrison plugins require the “Windows C++ Universal Runtime” to be installed on your computer.  Universal runtime is part of the system’s core libraries on Windows 10. On Windows versions Vista to 8.1,  it will be automatically installed via Windows Update. It is also possible to install the runtime manually, but that is outside the scope of this manual.

Note for Linux Users

If you’re experiencing issues with the plugin’s graphics or the GUI isn’t showing up correctly on Linux, make sure your system’s graphics driver supports the minimum required OpenGL version of 3.2 or higher. To check this, run glxinfo | grep Max in a terminal window and make sure that the value listed for the OpenGL core profile version string is at least 3.2 or greater.

If your core profile version meets this requirement but you are still experiencing graphics issues like the ones mentioned above, it is likely that your system is reporting an OpenGL version lower than 3.2 to ensure backwards compatibility with deprecated OpenGL functions. To work around this, you can force the system to report an OpenGL version of 3.2 or higher by setting this environment variable: MESA_GL_VERSION_OVERRIDE=3.2

You can use this as a prefix when opening your DAW from a terminal command like so:

MESA_GL_VERSION_OVERRIDE=3.2 {command_to_launch_program}

This will set the environment variable for that particular terminal session only, so it will be reset once the session is ended. If you don’t want to run this command every time you launch your DAW, you can set the environment variable in your profile script so that it automatically gets set every time you login.

Installation & Licensing

Licensing on macOS & Windows

This plugin is licensed through iLok on macOS and Windows. Visit iLok, Licensing and Activation for guidance on activating your Harrison plug-in. 

Licensing on Linux

This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit (http://www.openssl.org/)

In DEMO mode, after using the plugin for a certain amount of time, it will display a message:

This message will come up periodically unless a license is provided. You can purchase a license directly from Harrison’s web store or from an authorized plugin reseller. Once you’ve purchased a license, install it by entering your license key into the designated field on this screen. Continue to the next section for detailed instructions on how to obtain your license key. 

Obtaining your License Key

After you purchase a license, you will receive a license key that will look something like this:

{your  name}*AVA-BF*DC-138971-151520-1|gGLbnvCZJe386ULohzfQN6cIsoZ71n7c+AUg==|

This license key is required to install your license and activate the full version of the plugin. The way to obtain your license key varies depending on where you purchased the license from.

If you purchased the license from Harrison’s web store, you will receive an email with a link to download a text file containing your license key. If you purchased the license from a reseller, you will receive an email containing the license key text.

Licensing your Plugin

When prompted by the plugin, copy and paste your license key into the designated text input field. This will automatically install your license and register it with the plugin.

Once installed, Harrison’s license files are simple text (.txt) files which are stored in the user’s HOME folder. The HOME folder is the folder that contains your Desktop, Downloads and other folders. The location of your HOME folder is different for each operating system:

• Linux: /home/{your username}

You may keep a copy of this file for your own use. The license is a per-user license and you may install the license file on all of your computers. To install the file on a new computer, simply save the file to a USB key or other transferable disk; then transfer the license file to the new computer’s HOME folder. The license file has your name encrypted in it, so you should not share it with other people. Your name will appear on the top of the plugin’s control panel to indicate that it is licensed to you.

The plugin will automatically detect your license key as long as the license file is stored in the HOME folder of the computer you are using. After transferring the license file to a new computer, it may be necessary to close and re-open your DAW in order for the plugin to detect the license.

If you don’t want to keep your license in your HOME folder for whatever reason, you may also store it in the following alternative location:  ~/.config/harrisonconsoles

Finding the plugin in your DAW 

DAW operations vary tremendously. Generally speaking, to use the plugin you must follow these steps:

1. Install the plugins, using the provided plugin installer application.
2. Follow your DAW’s instructions to “scan” for new plugins.

Please refer to your DAW manual to see which plugin formats (AAX, AU, VST, or VST3) are supported by your workstation.

Most plugin formats require that plugins are installed to a specific location on the system. In these cases, the installer will place the plugins in the default locations.

For VST format, on Windows, it is normally expected that the user defines the location of VST plugins, and tells the workstation where to find the plugins. The default location for VST plugins is C:\Program Files\Steinberg\VST.  The plugin installer will save the VST (.dll) files to that location if a custom VST path is not provided by the OS.  If you are having trouble, you should verify that the path is included in your DAW VST scan paths.

Thank you for purchasing this Harrison plugin!

Harrison has been making products for the audio engineering industry since 1975. We continue to make these products, with intense dedication, from our Nashville, Tennessee factory.  

As the audio industry has changed through the decades, Harrison has too. Originally launched to provide mixing consoles for music recording studios, the Harrison brand has extended to provide products for live broadcast, live sound, theater installations, post-production, film dubbing stages, and bedroom studios. We’ve lived through the launch of the commercial music industry, the maturation of analog, the digital revolution, the establishment of the internet, and now the acceptance of computers as the de-facto platform for the audio industry. In our pursuit of audio excellence, we’ve developed our own analog circuits, digital I/O solutions, digital DSP engines, control surfaces, audio workstations, and nearly every aspect of pro-audio technology.

“If you asked a hundred engineers, mixers and producers to define the “perfect console” you would probably get a hundred answers. The answers, however, would all contain the same salient points.”
“The “perfect console” would have totally transparent sound, capturing the true musical quality of all performances. It would have unlimited features, facilities, and functions. It would perform all required tasks with a minimum of operator effort. It would be totally reliable and require no preventive or corrective maintenance…
You can spend the rest of your life looking for the “perfect console”. You’ll never find it. You will find, however, that we have what you need.”- quote attributed to Dave Harrison;  Harrison MR20 brochure; circa 1982

True-er words were never spoken; indeed every year there are many products and technologies that seem tantalizingly necessary for audio excellence. Our lasting experience has proven that simple, straightforward, well-engineered, and great-sounding tools are the only necessity.

These plugins represent the pinnacle of Harrison’s engineering practices for digital audio sound & workflow. We sincerely hope that you enjoy using these tools as much as we enjoyed creating them. Your continued support is greatly appreciated!