Astra Modulation Machine

Explore the pinnacle of classic chorus, flanging/doubling, and tube tremolo effects.

• Texture your tones with iconic Japanese bucket-brigade chorus/vibrato, circa 1976
• Explore the outer limits with legendary rackmount bucket‑brigade studio flanging/doubling
• Get all the heavenly goodness of 1960's tube-driven tremolo, direct from your favorite American guitar amps
• Get realtime MIDI control of effects parameters*, improved Bluetooth and hardwired connections, and more using updated UAFX Control app
• Quickly access sounds with Live/Preset modes, and play with silent switching, preamp coloration, and true/buffered bypass
• Download additional Phaser X90 and Dharma Trem 61 effects at product registration
• Build your pedalboard around timeless UA design and robust craftsmanship, built to last decades