UNIVERSAL AUDIO Astra Modulation Machine – Metallic Finish

The UNIVERSAL AUDIO Astra Modulation Machine is the pinnacle of classic modulation effects, built upon powerful UAFX dual-engine processing and unmatched levels of quirky analog realism. This premium stompbox is designed for players seeking exceptional tone and deep, complex textures, taking you deep down the rabbit hole of classic analog modulation. The robust, timeless UNIVERSAL AUDIO Astra Modulation Machine design and craftsmanship ensure this unit is a standout addition to any pedalboard.

Key Features:

• Brigade Chorus: Authentic end-to-end circuit emulation of the iconic Japanese bucket-brigade chorus/vibrato from circa 1976, including its preamp section for thick, saturated sounds.
• Flanger/Doubler: Complete circuit capture and end-to-end emulation of the legendary late-'70s rackmount studio bucket-brigade flanger/doubler, offering impossibly dense, complex sounds.
• Trem 65: Stem-to-stern model of the optical tube-driven tremolo found in classic '60s American amplifiers, capturing dynamic detail down to the light source photoresistor and 12AT7 driver tube interactions.
• UAFX Dual-Engine Processing: Powers separate stereo instances of each modulation effect, enabling a full stereo spread of complex, jaw-dropping textures for endless creativity.
• Downloadable Effects: Includes free Phaser X90 and Dharma Trem 61 effects, downloadable upon product registration.
• Modern Features & Connectivity: Includes Live/Preset modes for quickly accessing sounds, silent switching, preamp coloration, and switchable True/Buffered bypass (via software).
• Construction & Power: Features studio-grade conversion, timeless UA design, and robust craftsmanship, requiring an isolated 9V DC 400mA power supply (sold separately).

Built with UNIVERSAL AUDIO’s signature robust craftsmanship and powerful UAFX dual-engine technology, the UNIVERSAL AUDIO Astra Modulation Machine redefines classic analog modulation performance. Combining complete circuit captures of three iconic vintage effects with dual stereo processing, this compact stompbox delivers superior tonal clarity, versatility, and depth, exemplifying the innovation and professionalism that sets **UNIVERSAL AUDIO** apart.

Why buy from Ernie Williamson Music?

Ernie Williamson Music is a full-line music store offering sales, service, rentals and the best lesson programs in the area. We are a "Best of the Ozarks" award winner, ranked in the top 100 music stores in the US, the number one Taylor Guitar dealer in Missouri, and a top 20 Taylor Guitar dealer in the US. We're a locally owned store with friendly, knowledgeable staff—but we make sure our prices compete with the big box stores. Whether you shop online or come by one of our four regional locations, you'll get excellent service, quality gear, and low prices.