Taking you deep down the rabbit hole of classic analogue modulation, UAFX Astra Modulation Machine serves up the most sonically authentic bucket-brigade chorus/vibrato, studio flanger/doubler, and tube-driven tremolo effects ever placed into a single stompbox.
Built upon Universal Audio's powerful new UAFX dual-engine processing and unmatched levels of quirky analogue realism, Astra delivers richly addictive vintage modulation, beautifully crafted to inspire you for decades.
Features:
- 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
- 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
Specifications:
- Power requirements: Isolated 9VDC, center-negative, 400mA minimum (power supply not included)
- Inputs: 2 x ¼" unbalanced TS (input 2 for stereo connections)
- Outputs: 2 x ¼" unbalanced TS (output 2 for stereo connections)
- Bypass Modes: True bypass via mechanical relays or buffered bypass (switchable within UAFX Control app)
- Input Impedance: 500 Kilohms (Mono In), 1 Megohms (Stereo In)
- Output Impedance: 500 Ohms
- Maximum Input Level: 12.2 dBu
- Maximum Output Level: 12.1 dBu
- Frequency Response: 20 Hz to 20 kHz, ±3 dB
- USB: Type-C (For registration and firmware updates via computer)
- Wireless Technology: Bluetooth v5
- Transmitted Frequency Range: 2.400 GHz – 2.4835 GHz
- Maximum Output Power: 4.35 dBm
- Dimensions: 3.62" (W) x 5.55" (D) x 2.56" (H) / 9.2cm (W) x 14.1cm (D) x 6.5cm (H) (with knobs and protrusions)
- Weight: 0.567 kg / 1.24 lbs