Your New Go-To Phaser

UVI Phasor | GUI
Phasor is a powerful and dynamic studio tool, offering up a broad palette of modulation, filtering, and distortion effects thanks to its unique multimode design and deeply configurable parametric LFO. From buttery stereo field enhancement, to rhythmic reinforcement with tweakable LFO waveshape and swing, to more creative and specialized effects utilizing min and max frequency range, feedback, and drive, Phasor is featured and easy-to-use, delivering exceptional sound quality across a wide range of sweet spots.

IN-DEPTH

IN-DEPTH

Modern Features

Phasor includes a number of powerful features that let you easily dial-in anything from surgical enhancement to two-fisted rhythmic mutilation. Use the Min and Max knobs to set the frequency range, then couple it with Depth to create laser-focused parallel effects, while a bipolar Feedback knob offers a wide range of additive and subtractive filtering effects. Add grit your sound with Drive, and evaluate your changes confidently with Trim, I/O metering, and A/B snapshotting to easily level-match and compare your effect.

Multimode LFO Design

One of the most powerful components of Phasor is its multimode LFO design, allowing you to choose between Off, Random, S&H, and Parametric LFO modes. Off mode disables the LFO allowing you to design static or purely automated effects, while S&H and Random offer stepped and smooth randomization linked to Rate, letting you apply a variable amount of controlled chaos to your sound.
UVI Phasor | GUI

Parametric LFO

The star of the show is Phasor's fully-parametric LFO, with it you can achieve an incredibly wide range of phasing behaviors thanks to the variable waveshape, Pulse Width, Symmetry, Phase, and Swing. Click the LFO wave display to access common starting points, then dial-in rhythmically relevant modulation to perfectly match your track.
UVI Phasor

Ease of Use

A spacious, clearly labeled, and well organized interface makes using Phasor a breeze. All parameters are available on a single page, including visualizations of frequency curve, LFO shape, and I/O levels, making it easy to tell exactly what's happening at-a-glance. Meanwhile a generous selection of hand-crafted presets give you plenty of starting points and let you quickly evaluate what works for your sound.
UVI Phasor | GUI

A Future Classic

Designed to address everything from classic phaser effects to the wide-ranging needs of the modern producer, Phasor is a powerful, versatile, and easy-to-use effect with a gorgeous sound.
UVI Effects Bundle | Logo
Also included in The Effects Bundle
Get Phasor and an incredible collection of powerful and creative effects ready to elevate your productions! The Effects Bundle delivers advanced DSP, innovative features, and more, all at a tremendous value.

SPECS

LICENSING

3 activations per license on any combination of machines or iLok dongles

SYSTEM REQUIREMENTS
  • 500 MB of disk space (Mac Installer: 482 MB ; Windows64 Installer: 361 MB)
  • 4 GB RAM
  • Supported Operating Systems:
    - MacOS 10.14 Mojave to macOS 14 Sonoma 
    - Windows 10 to Windows 11
  • iLok account (free, dongle not required)
  • Internet connection for the license activation
COMPATIBILITY
Supported Formats: Audio Unit, AAX, VST, VST3
Tested and Certified in: Digital Performer 8+, Pro Tools 2019+, Logic Pro X+, Cubase 7+, Nuendo 6+, Ableton Live 8+, Studio One 2+, Garage Band 6+, Maschine 1+, Tracktion 4+, Vienna Ensemble Pro 5+, Reaper 4+, Sonar X3+, MainStage 3, MuLab 5.5+, FL Studio, Bitwig 1+, Reason 9.5+

Listen

Reviews

UVI Phasor | Rik Simpson
"I only used to use phasers occasionally, when I wanted "that" effect; Phasor changes everything. It’s a beautiful widener/ stereo tool & I love its tempo synced possibilities. It’s a new kind of modulator and I love it!"
Rik Simpson
Award-winning Record Producer, Musician and Songwriter
(Coldpay, Jay-Z, Jon Hopkins, Kasabian, Natalie Umbruglia, Lamb)
UVI Phasor | F. Reid Shippen
"I feel like this is boring but it’s really high praise: it’s the easiest and best sounding phase plugin I’ve ever heard. End of story."
F. Reid Shippen
Multiple Grammy award-winning Mixer, Engineer & Producer
(Neil Young, Gloria Gaynor, The Jonas Brothers, Cage The Elephant, Death Cab For Cutie, Dierks Bentley)
UVI Phasor | Darrell Thorp
"The UVI Phasor is sooooo RAD. I can't believe how good this thing sounds and how fast I can dial up a cool sound for any instrument.”
Darrell Thorp
Multi Grammy award winning Record Producer, Mixer & Engineer
(Radiohead, Foo Fighters, Paul McCartney, Elton John,
Ray Charles, Jay-Z)
Phasor | Emlyn In The Mix
Checking out Phasor
Phasor | UDi Audio
UVI Phasor review

User Testimonials

"Pretty interesting effect and not your standard phaser in my opinion. It just really changes the sound and is a lot of fun to tweak. Thanks guys!"
Christian R., Facebook
"As a phaser aficionado, I dig this one. This one's got a pleasant clean sound, is quick to use and low CPU."
dubguy99, Gearspace
"It's very good. I have a lot of phaser emulations and this one is by far the most tweakable and sounds great."
Brian W., Facebook
"It is a beautiful thing. UVI are amazing at FX plugins, this little Phasor is no exception."
martiu, KVR
"This is a very powerful tool that I want to include now in my arsenal of tools. Great job!"
Peter P., YouTube
"It sounds great, and the controls and GUI work nicely."
Dirtgrain, KVR
"It sounds very good."
Bee_Abney, VI-Control

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