Universal Audio UAFX Astra Modulation Machine Stereo Effects Pedal

SGD 569.00

Available on backorder

Three of History’s Most Mind-Expanding Modulators, Perfectly Captured in a Stompbox


Engineered and developed by the acclaimed team at Universal Audio, the UAFX Astra Modulation Machine boasts powerful dual-processor architecture for the most sonically authentic classic Chorus, Vibrato, Flanger, and Tremolo effects ever available in a stompbox.

From spacey studio flanger tones of the 1970’s, to gritty bucket-brigade chorus and luscious opto tube tremolo, Astra Modulation Machine puts three iconic vintage effectsat your feet, in a beautifully-crafted pedal that’s built to last decades.

Three Timeless Modulation Effects

Chorus Brigade:Classic ‘70s analog bucket brigadechorus with additional Vibrato mode.

Flanger/DBLR:Studio flanger/doubler tonesmodeling legendary rack effects units.

Trem 65:Perfectly-emulated opto tube tremoloderived from iconic blackface amps of the mid-1960’s.

Bonus Effects:Free Phaser X90 and Dharma Trem61, downloadable at registration.



Flagship modulation pedal with powerful dual-processor UAFX engine

Three timeless modulation effects, with secondary modes and settings

Simple Live/Preset modes for instant recall of your favorite sound

Additional downloadable effects by the world-renowned UAD algorithm team

True or buffered bypass,* silent switching

Classic UA analog design and craftsmanship, built to last decades



Power requirements: Isolated 9VDC, center-negative, 400mA minimum**

Inputs: 2 x ¼” TS (input 2 for stereo connections)

Outputs: 2 x ¼” TS (output 2 for stereo connections)

USB Type-C for updates via computer


*Please note that pre-orders are non-cancelable, so make sure the item you are ordering is correct. 

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