
UAFX - Astra Modulation Pedal
UAFX - Astra Modulation Stereo Effects Pedal with Chorus, Flanger, and Tremolo, true or buffered bypass
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Mind-Expanding Modulators!
UAFX - Astra Modulation Machine

Three of History's Most Mind-Expanding Modulators
Perfectly Captured in a StompboxEngineered 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 effects at your feet, in a beautifully-crafted pedal that’s built to last decades.
at a glance
• Flagship modulation pedal with powerful dual-processor UAFX engine
• Three timeless modulation effects, with secondary modes and settings
• Additional downloadable effects by the world-renowned UAD algorithm team
• Simple Live/Preset modes for instant recall of your favorite sound
• Classic UA analogue design and craftsmanship, built to last decades
• True or buffered bypass, silent switching
Three Timeless Modulation Effects

'Chorus Brigade'Classic ‘70s analogue bucket brigade chorus with additional Vibrato mode.
'Flanger/DBLR'Studio flanger/doubler tones modeling legendary rack effects units.
'Trem 65'Perfectly-emulated opto tube tremolo derived from iconic blackface amps of the mid-1960’s.
Bonus EffectsFree Phaser X90 and Dharma Trem 61, downloadable at registration.
UAFX - 'Astra Modulation Machine'
60 Years of Analogue Tone. At Your Feet.Introducing UAFX pedals. A landmark in classic reverb, delay, and modulation effects. Beautifully built upon powerful new dual-processor engines and UA's proven analogue modeling expertise, UAFX delivers sonic authenticity far beyond all other stompboxes.

The Tech Spec
Features | Specification | 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 |