SKU: 79477807059

Universal Audio Astra Modulation Machine Guitar Pedal

$134.55 $149.50
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Description

Universal Audio Astra Modulation Machine Guitar PedalDESCRIPTION Explore Classic Chorus, Flanging Doubling, and Tube Tremolo Effects Built upon our powerful UAFX dual engine processing and unmatched levels of quirky analog realism, Astra takes you deep down the rabbit hole of classic analog modulation, giving you the most sonically authentic bucket brigade chorus vibrato, studio flanger doubler, and tube driven tremolo effects ever placed into a single stompbox. Create with Iconic Japanese Modulation

DESCRIPTION 

Explore Classic Chorus, Flanging/Doubling, and Tube Tremolo Effects

Built upon our powerful UAFX dual-engine processing and unmatched levels of quirky analog realism, Astra takes you deep down the rabbit hole of classic analog modulation, giving you the most sonically authentic bucket-brigade chorus/vibrato, studio flanger/doubler, and tube-driven tremolo effects ever placed into a single stompbox.

Create with Iconic Japanese Modulation

Upon its release in 1976, this legendary gray bucket-brigade stompbox changed the sound of music with its thick, luxuriant chorus and wavy vibrato. Astra's Brigade Chorus mode gives you the most complete circuit emulation of this landmark unit — including its preamp section for authentically thick, saturated sounds — letting you paint with subtle ripples of analog texture and tone, adding chewiness, shimmer, and motion to everything you play.

Get Legendary Flanger/Doubler Effects

Packed with late-'70s bucket-brigade tech, this classic rackmount studio flanger/doubler is famous for stunning whoosh effects, organic thickening, and a parade of wild sounds that go way beyond typical flanger boxes. Astra's Flanger/Dblr effect is the only end‑to‑end circuit emulation of this ultra‑rare unit, capturing its original features to a "T" and putting impossibly dense, complex flanging/doubling right at your feet.

Summon Authentic Tube Amp "Shake"

Few things compare to the optical tube-driven tremolo of '60s American amplifiers. Deep, undulating, and the very essence of vibe, Trem 65 is a faithful emulation of this classic circuit. From shimmering ripples to choppy mayhem, every dynamic detail is captured in UA style, down to the complex interactions between the light source photoresistor and 12AT7 driver tube. Plus, you can explore further and create your own trem textures with variable sine and square wave settings.

Dual Stereo Modulation Engines for Endless Creativity

Astra's UAFX engine powers separate stereo instances of each modulation effect, thanks to its unique dual‑engine processing. It's like having two bucket-brigade hardware units running simultaneously — or even dual tremolo circuits — giving you a full stereo spread of complex, jaw‑dropping textures.

Get a Compact Stompbox Built for the Ages 

With modern, high‑powered features like studio‑grade conversion, dual‑processing engines, additional downloadable effects at registration, Live/Preset modes, true/buffered bypass, and silent switching, Astra Modulation Machine has your colors — now go forth, and paint your masterpiece.

FEATURES

  • Flagship, no-compromise stompbox offering the most authentic bucket-brigade and tube-driven tremolo effects ever captured in an effects pedal
  • End-to-end emulation of iconic Japanese chorus/vibrato pedal
  • Complete circuit capture of legendary '70s rackmount studio flanger/doubler
  • Stem-to-stern model of tube-driven optical tremolo from classic '60s American amps
  • Store and recall your favorite preset, silent switching, and true/buffered bypass*
  • Free Phaser X90 and Dharma Trem '61 effects, downloadable at registration
SPECIFICATIONS 
  • Power requirements (power supply sold separately): Isolated 9VDC, center-negative, 400mA minimum 
  • Inputs: 2 x ¼” unbalanced TS (input 2 for stereo connections)
  • Outputs: 2 x ¼” unbalanced TS (output 2 for stereo connections)
  • Bypass modes (switchable within UAFX Control app): True bypass via mechanical relays or buffered bypass
  • 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, ±1 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:
    • Height: 2.56 inches, 6.5 cm
    • Width: 3.62 inches, 9.2 cm
    • Depth: 5.55 inches, 14.1 cm
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 79477807059

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4.2 ★★★★★
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Fabi_Fabz
Draper, US
★★★★★ 5
A Must-Read (or Listen) for Every Entrepreneur
Format: Audiobook
This book came highly recommended by a fellow entrepreneur I trust, and I started listening to it almost immediately after purchasing—and I’m so glad I did. Who Not How has completely shifted the way I think about growth, productivity, and collaboration in my business. It's now a staple recommendation I make to all the entrepreneurs I work with. It’s insightful, empowering, and essential for anyone looking to scale their impact by working smarter—not harder. If you’re building a business or leading a team, this one’s a no-brainer. Pros: Powerful Mindset Shift: The central idea—stop asking “How can I do this?” and start asking “Who can help me do this?”—is simple but transformative. It helped me rethink delegation, collaboration, and building a team. Actionable for Entrepreneurs: As someone who works with social entrepreneurs, this book now tops my list of recommendations. It’s a game-changer for anyone feeling stuck, overwhelmed, or trying to do everything themselves. Engaging & Easy to Digest: Whether you’re reading or listening, the content flows well and feels conversational. It’s packed with real-world examples that make the concepts stick.
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Reviewed in the United States on April 19, 2025
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Verified Purchase
Linsey R. Mills
Los Angeles, US
★★★★★ 5
Business Breakthroughs Await: Unleash the Potential of "Who Not How" in Your Ventures!
Format: Kindle
The impact on business success is exponential for those implementing Dan Sullivan’s “Who Not How” model. The strategic framework presented in the book has fundamentally altered the way entrepreneurs navigate the challenges of running and growing their businesses. The model is a game-changer, shifting from the traditional “how” to the more effective “who.” Below are a few key points: Define Your Unique Value Proposition (UVP): The model encourages businesses to articulate what sets them apart, fostering a deep understanding and effective communication of their unique value. It provides guidance on identifying specific topics and themes that resonate most with the target customers, resulting in a more targeted and impactful approach. Identify Key Tasks: The book prompts entrepreneurs to compile a comprehensive list of tasks crucial for business operations and growth, including marketing, branding, and sales. Categorize Tasks: Categorizing tasks into areas of expertise, such as marketing, operations, content creation, and sales, clarifies resource allocation for optimal results. Prioritize High-Impact Tasks: The model assists in identifying tasks with the highest impact on business growth, such as creating compelling content, building a robust online presence, and securing motivated customers. Identify “Whos”: The transformative recommendation to identify experts or partners for specific tasks has proven beneficial. Hiring specialized individuals, like a virtual assistant for administrative tasks, a marketing expert for online promotion, and dedicated customer service, enhances efficiency and customer satisfaction. Build a Team of Experts: Assembling a team of individuals with complementary skills is a game-changer. Leveraging the efficiency of freelancers, agencies, and part-time professionals fulfills specific roles, contributing to overall business growth. Dan Sullivan’s “Who Not How” model is more than just a book; it’s a strategic guide empowering businesses to leverage expertise and build a team capable of achieving remarkable results. The book is highly recommended to fellow entrepreneurs seeking exponential business growth. ~ Linsey Mills
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Reviewed in the United States on January 19, 2024
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M. Ben-Musa
Phoenix, US
★★★★★ 5
Freedom. At last!
Format: Hardcover, Format: Hardcover
Amazing! This book put everything into with great perspective. Stop chasing getting things done that you can have someone else with their genius tackle. It will free your soul and time in ways you can’t imagine. Thank you for the brilliance!
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Reviewed in the United States on January 25, 2026
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Asim Ghaffar
Belleville, US
★★★★★ 4
Unlocking Success Beyond Self-Reliance
Format: Kindle
Dan Sullivan’s book “Who Not How” is a transformative guide that redefines the way we approach challenges and goals. Rather than asking “How can I do this?” the book challenges readers to ask, “Who can help me achieve this?” This shift in thinking opens up the potential for exponential growth, efficiency, and success. Sullivan’s core premise is that the path to achieving your ambitions isn’t about taking on everything yourself but rather identifying the right people who can help you get there. This insight is particularly valuable for those who find themselves caught in a cycle of overwork and frustration when trying to handle every aspect of their projects or responsibilities alone. Although, the main idea of the book is inspiring and powerful, the book does come across as promotion of Sullivan’s Strategic Coach program, which might be off-putting for some readers. While the book is relatively short, it still feels somewhat wordy and could have been more concise. Many chapters follow a predictable pattern: a story about Mr. X who faced a challenge, found a “Who,” achieved success, and then helped the “Who” in return. This repetition can make the narrative feel formulaic at times. Additionally, there are numerous one-liners throughout the book that seem disconnected from the surrounding text. While these sentences are mostly quotable, their placement can feel abrupt and unrelated to the passage before or after. Despite these critiques, the book is filled with examples that showcase how leaders and entrepreneurs have leveraged this mindset. By engaging with the right “Who,” you not only save time and energy but also unlock a level of creativity and collaboration that propels your goals further than you could imagine on your own. For readers seeking to achieve more while doing less, Sullivan’s book is a great read. It offers a liberating perspective that not only boosts productivity but also enhances personal fulfillment by allowing you to focus on what you do best and rely on others for the rest. I would rate it 4/5 for its mostly thought-provoking content.
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Reviewed in the United States on November 10, 2024
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Paul Gustavson
Phoenix, US
★★★★★ 5
The Goto Resource for every Leader
Format: Kindle
The title says it all — Who Not How — and the content brings it to life. At its core, this book reminds us that our greatest calling is rooted in relationships. It’s also where our greatest assets are found. We don’t need to do everything ourselves—we need Whos in our lives, and we need to be a Who in the lives of others. This is a must-have resource for every leader.
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Reviewed in the United States on July 30, 2025

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