Blue Cat's Chorus
Key Features
- Single-voice vintage chorus engine with adjustable rate, depth, and delay for classic ensemble and modulation effects
- Switchable sine or triangle LFO waveshapes for smooth sweeps or more angular, rhythmic modulation textures
- Stereo Spread control on the stereo version for precise stereo widening from subtle to extreme
- In/out-of-phase mix blending that enables standard chorus, comb-filtered, and flanging-style tones
- Zero CPU usage on idle with automatic processing shutdown when the input signal is silent
- Full MIDI control with MIDI Learn, undo/redo, smooth bypass, and an integrated preset manager
- Resizable interface (70-200% zoom) with transparency support and free downloadable community skins
Description
Blue Cat's Chorus is a vintage chorus effect plugin from Blue Cat Audio that spans everything from gentle ensemble thickening to extreme pitch modulation. The single-voice chorus engine uses adjustable sine or triangle LFO waveshapes to create classic detuning, stereo widening, and deep vibrato-style textures.
The stereo version includes a dedicated Spread control for dialing in wide, immersive chorus sweeps or tight mono-compatible thickening. An in/out-of-phase mix control lets you blend the wet signal constructively or destructively, opening the door to comb-filtered tones and hollow, flanging-style effects.
The plugin has been continuously updated since its original release, with version 4.5 adding High DPI scaling on Windows and improved Retina support on macOS. It sits in a sweet spot between more complex multi-voice chorus plugins and simpler one-knob solutions, giving enough control to shape the effect precisely without overwhelming the user.
Behind the scenes, processing shuts down automatically when fed silence, keeping CPU usage at zero during idle periods. Full MIDI control with MIDI Learn, undo/redo, and a built-in preset manager round out a feature set that punches well above its price tag.
The customizable interface supports transparency and zoom from 70% to 200%, with free community skins available for a personalized look.
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Frequently Asked Questions
What LFO shapes does Blue Cat's Chorus offer?
Blue Cat's Chorus provides two LFO waveshapes: sine and triangle. Sine produces a smooth, rounded modulation suited to classic chorus tones, while triangle creates a more angular sweep with slightly sharper pitch transitions.
Can Blue Cat's Chorus create effects beyond standard chorus?
Yes. By pushing the depth and rate controls further, you can achieve deep pitch modulation, vibrato-like wobble, and aggressive bubbling textures. The in/out-of-phase mix control also enables comb-filtered and flanging-style sounds.
Does the stereo version differ from the mono version?
The stereo version adds a Spread control that adjusts the width of the chorus effect across the stereo field. This lets you create wide, immersive sweeps or keep the effect tightly centered for mono-compatible mixes.
How does the plugin handle CPU usage?
Blue Cat's Chorus automatically shuts down its DSP processing when it receives a silent input signal. This means it uses zero CPU when idle, which is especially helpful in large sessions with many plugin instances loaded.
