Always consult the Owners Manuals

Phaser block

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Image to be added.

Phaser: supported by which Fractal Audio products

Phaser: X/Y switching or channels

Phaser effect types

Uni-vibe effect

The Vibe effect is available as a special mode of the Phaser block. Set Vibe Mode to On (or select the Classic Vibe type). The default settings are modeled after the Fulltone Deja-Vibe. source

"You need it before the amp if you want the bump." source

Tip: connect a pedal or switch (via an external controller) to the Rate parameter to control speed.

Robin Trower vibe settings.

More information about the Uni-Vibe.

Barber Pole Phaser

This phaser type works best when placed at the end of the chain.


The Owner's Manual explains the parameters.


Increase the Order parameter to simulate phasers such as the EHX Small stone and Mu-tron Bi-Phase.

Feedback Tap

"There is no feedback on a Script 90." source

LFO Bypass Reset

If the parameter “LFO Bypass Reset” is set to anything other than “Off”, the LFO will be reset to the selected phase whenever the block is bypassed. This allows synchronizing the sweep to the engagement of the effect.

Mono or stereo output

Phaser defaults to mono to prevent phase problems when used before an Amp block. To make it stereo, change the LFO Phase setting and place it after Drive, Amp and (mono) Cab.


Thump when engaging the Phaser

If engaging/bypassing the Phaser block causes an audible thump or gap, change input impedance to 1M (Axe-Fx II and FX8).

More information about Phaser and Uni-Vibe

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