Overview Chorus DIMENSION-D Phaser BI-TRON Flanger BL-20 Chorus JUN-6 Resources Overview Chorus DIMENSION-D Phaser BI-TRON Flanger BL-20 Chorus JUN-6 Resources

An elusive classic

An unsung hero in the world of modulation effects.

A rare gem that’s renowned for its mysterious complexity. Flanger BL-20’s hardware predecessor may not be a household name, but its hypnotic sound and radical feature set speaks for itself.

Toggle and combine multiple modulation sources, manipulate the LFO shape and stereo spread, plunge harmonic sweeps to uncharted depths. Flanger BL-20 is no ordinary analog emulation - it’s an FX toolkit gone supersonic.

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Reaching absolute zero

The flanger effect is achieved by modulating a delayed version of your signal using an LFO. Flanger BL-20 expands this principle in multiple directions.

By applying an undetectable delay to the dry signal, the modulated signal is able to reach - and eventually pass over - the original starting point of the signal. This totally cancels out certain frequencies - resulting in distinct dips in the sound. This is known as ‘zero-crossing’ or ‘through-zero’ flanging, perfect for that dynamite ‘80s guitar sound.

Finally, the option of multiple modulation sources gives Flanger BL-20 a uniquely animated quality. Use the default LFO, a responsive envelope follower, or a static manual override - there’s nothing quite like it.

Added sweetener

A crucial element of Flanger BL-20’s sound is the bucket-brigade device circuitry emulation.

We meticulously replicated this circuitry in virtual form to ensure a pristine analog response. Not only does BL-20 offer mind-blowing modulation capabilities - it adds that desirable vintage sparkle that plugins often lack.

This makes it a formidable mix sweetener, whatever your style. Enhance your rhythm guitar parts, animate your backing vocal tracks, enrich a repetitive drum loop; whatever your application, it will simply sound better.

Advanced controls

Flanger BL-20 goes far beyond the familiar flanger principles, retrofitted with cutting-edge functions and parameters to encourage a little healthy exploration. Modulation let loose.

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Details

Flanger BL-20 goes far beyond the familiar flanger principles, retrofitted with cutting-edge functions and parameters to encourage a little healthy exploration. Modulation let loose.

Artists corner

Flanger BL-20 tutorial

An in-depth look at how Flanger BL-20 works, and how its broad animated sound can breathe life into your mixes.

Gallery

NKS compatibility coming soon. All manufacturer and product names mentioned on this page are trademarks of their respective owners, which are in no way associated or affiliated with Arturia. The trademarks of other manufacturers are used solely to identify the products of those manufacturers whose features and sound were studied during the development. All names of equipment, inventors, and manufacturers have been included for illustrative and educational purposes only, and do not suggest any affiliation or endorsement by any equipment inventor or manufacturer.