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.
Three Timeless Modulation Effects
- Chorus Brigade: Classic ‘70s analog 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 Effects: Free Phaser X90 and Dharma Trem 61, downloadable at registration.
Astra Modulation Machine - Key Features:
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
US and EU parcels ship via UPS, ETA 1-7 working days from pickup day zero. That also applies to most
All shipments are fully insured.
Bigger shipments requiring pallets or custom made crates ship to US, CA, JP, CN, AU and other outside of EU locations via DHL Air Freight, ETA is normally approx. 7-14 working days from pickup day zero.
Big shipments inside EU ship via different freight companies, recently mostly via ACE Logistics. Freight forwarders can use different courier companies for deliveries to final destinations.
Palletising and crating time can vary depending on the size of the shipment and packaging queue. We pack all our shipments with great care.
You are most welcome to pick your order up yourself from our Retrosonic Pro Audio showroom, studio and warehouse in Tallinn, Estonia.
We ship worldwide – contact us for a personal shipping quote or any other questions.
VAT (Value Added Tax) can be deducted if you have a company with a valid EU VAT number or if you're based outside of the EU. Non-EU buyers pay all and any import tax and duty as regulated by their local customs.