SKU: 54302808699

KEF R11 Meta Speakers

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Description

KEF R11 Meta SpeakersKEF R11 Meta Flagship Three way Floorstanding Speakers The R11 Meta is the largest model in the KEF R Series. Featuring the latest 12th generation Uni Q driver array with MAT and four 6. 5 hybrid aluminium bass drivers the KEF R11 Meta picks out the subtle details of a recording, while also delivering raw power and supreme agility. Decades of experience and KEFs unbridled passion for music come together in the R Series. Combining innovations from the

KEF R11 Meta - Flagship Three-way Floorstanding Speakers

The R11 Meta is the largest model in the KEF R Series. Featuring the latest 12th generation Uni-Q® driver array with MAT™ and four 6.5” hybrid aluminium bass drivers the KEF R11 Meta picks out the subtle details of a recording, while also delivering raw power and supreme agility.

Decades of experience and KEFs unbridled passion for music come together in the R Series. Combining innovations from the Reference Series with bespoke technologies the new R Series delivers more detail, deeper insight and greater excitement.

Upgraded Uni-Q® driver array for improved clarity and accuracy

KEF's patented Uni-Q driver technology places the R11 Meta's 1" vented aluminium dome tweeter in the acoustic centre of the 5" aluminium midrange driver. This arrangement allows the sound from the two drivers to reach our ears at the same time, resulting in more natural sound. Uni-Q technology is now in its 12th generation, and the engineers at KEF have designed this version to reduce distortion caused by several factors, as well as optimising it to take full advantage of the MAT absorber.

Revolutionary MAT technology improves performance

This speaker gets the "Meta" part of its name from KEF's innovative Metamaterial Absorption Technology (MAT) — a highly complex, maze-like structure that absorbs unwanted sound waves coming from the rear of the tweeter. The resulting sound is clearer, purer, and more detailed.

Shadow Flare

Derived directly from the Reference Series, the Shadow Flare is an innovative method of reducing harmful cabinet diffraction and one that allows the wonderful Uni-Q to work at its highest level. Shadow Flare is more than just a trim ring. It is a precision designed surface that extends the waveguide effect of Uni-Q. The tweeter no longer has line of sight of the cabinet edges, creating a ‘shadow region’ at the points where the potential for diffraction is highest, minimising the acoustic impact to negligible levels. The result is improved clarity, particularly when it comes to the subtle nuances of plucked strings and other percussive sounds

Deep, powerful bass

To maximise bass performance in the new R11 Meta, the dedicated low-frequency drivers are built using a two-part structure, where a shallow concave aluminium skin sits atop a paper cone. This stiffness combined with the cone’s unique geometry reduces additional resonances while greater driver excursion allows for deep, controlled bass. The result is tight, agile bass that conveys all the power and emotion in your music.

Unique Cabinet bracing

All the cabinets in the new R Series benefit from Constrained Layer Damping bracing. Originally developed for the multiple award-winning LS50, this system utilises internal braces joined to the panels by a lossy interface rather than being adhered to it rigidly. This approach is highly effective at dissipating unwanted vibrations. A new internal bracing layout works alongside Constrained Layer Damping to create an incredibly inert platform from which the drive units can work their magic, enabling the R Series to deliver music as it is supposed to sound, without any unwanted extras.

Flexible port technology

When it comes to generating deep, articulate bass, port design is a vital element. The ports in the R11 Meta are precisely positioned and feature innovative flexible walls. Using computational fluid dynamics, the flare and profile of each port is calculated to delay the onset of turbulence, while the flexible port walls prevent longitudinal resonances from colouring the midrange. The result is not only better bass, but cleaner sound further up the frequency range in the vital lower midrange area

Beautiful by design

Great design is timeless. KEF’s designers seek to create deceptively simple, elegant loudspeakers. While the drive unit arrangement is rightfully driven by acoustic, rather than aesthetic considerations, each loudspeaker is visually appealing without resorting to brash styling.

Understated design is complemented by carefully selected finishes. Conceived to be at home in either traditional or modern interiors, the R11 Meta comes in a choice of two exceptionally sleek gloss finishes or a classic wood veneer. These finishes go deeper than just a base colour. Each speaker benefits from KEF’s tone-on-tone approach to design where the tweeter dome, driver cones, feet, spikes and KEF logo are tone matched to the finish.

Microfibre Grilles

The R Series was created to sound its best with or without grilles. The microfibre grille design is a first for KEF and not only looks beautiful but has a negligible effect on performance. They continue the tone-on-tone approach to match the various cabinet finishes and the edges are burnished for a suede-like effect.

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SKU: 54302808699

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4.5 ★★★★★
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Verified Purchase
Desmond Yuen
Lexington, US
★★★★★ 5
The past is the future? Focus on the big picture
Format: Hardcover
This book isn’t just about economics; it also takes a captivating look at history. Written in a style similar to his previous book, "Big Debt Crises," Ray presents history in cycles. To make things easier to grasp, he added some helpful features: passages are bolded for a quick read, and a red dot marks principles that are considered timeless and universal truths. I really appreciate the QUICK-READ option. It’s so easy to overlook key points in a long book, but the bolded sections help me focus. For example, one universal truth is, "Throughout time, the formula for success has been a system in which well-educated people operating civilly with each other, come up with innovations, receive funding through capital markets, and own the means by which their innovation..." The book is divided into three parts: How the world works, How it has worked over the last 500 years, and the Future. The first part explores the rise and fall of empires. The second offers an in-depth look at the Dutch Empire, the British Empire, the United States, and China. The last part looks ahead at what’s to come. The appendix even includes a computer-generated power score for 11 world-leading countries. I haven’t finished the entire book yet, but after reading some chapters, I can say Ray did a fantastic job condensing 500 years of history into an accessible, engaging format. The graphs also help clarify his points. It answered many questions I had, like how pandemics have impacted the world. Instead of flipping through multiple books to find answers, I can find everything I need here. What I also really appreciate is Ray’s honesty. He doesn’t shy away from tough issues. If he's not an expert on something, he clearly states where he learned it from. He’s straightforward, sincere, and speaks his mind. Even if you do not believe that history will repeat itself, you will still enjoy reading this book.
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Reviewed in the United States on December 1, 2021
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Kindle Customer
Cuba, US
★★★★★ 5
Phenomenal book, one major criticism
Format: Kindle
Great book. Dalio does a remarkable job seeing the bigger picture and providing confidence through historical events/ever repeating cycles that you can predict at a high level what is coming next for a given country or the world and plan accordingly. The corkscrew of evolution analogy is a perfect one, where the human race has up and down cycles but always trends up longer term thanks to technological innovation. My one criticism is he speaks out of both sides of his mouth in one instance, presumably because he doesn’t want to upset any high ranking politicians or leaders he may be friends with, which I found to be disappointing. On the one hand, he notes at the start of the book that no two democracies have waged war with each other, wars have only been fought between dictators/police states and democracies or just dictators/police states. Then later on when discussing China, he all but excuses and rationalizes their increasingly authoritarian state, as seen by Xi crowning himself leader until death and abolishing the precedent of 2 5 year term limits as of 2018. He blesses the Chinese approach of a few rulers knowing what’s best for all, as if those rulers are acting in the broader interest of Chinese people, and that’s an acceptable alternative to democratic rule. He cites the recent video game ban as having merit or at least being understandable, suggesting that he thinks the ends can justify the means. All the while there’s no mention of the atrocities of Mao under this authoritarian type of rule, no mention of the Muslim genocide going on now, the suppression of free speech and jailings and beating and murders of those that oppose the current regime, no mention of internet censorship, etc. To bring the criticism full circle, he doesn’t link his first point on wars and authoritarians always being involved in them, with the fact that China is an authoritarian state and therefore it’s rise threatens the free world and human progress. Ironically, he does correctly acknowledge China’s opening up to market and establishment of capitalist principles for rocketing them toward the US in terms of power, while refuses to critique the political system despite its history of failings, violence and pain. Russia invading Ukraine couldn’t drive this point (ie the civil or political system being as important as the economic system to the long term success of a country and world peace) home any harder.
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Reviewed in the United States on March 12, 2022
H
Verified Purchase
Harold Hall
San Leandro, US
★★★★★ 5
Can be effectively used as a working tool for the predictor (not just for investments)
Format: Hardcover
This is one of the best works on the declining economy and US, associated possible revolution/civil war and later major power war, that is presented in a clear, convincing and replicable way. Kudos to Dalio!! More importantly, the contents of the book can be used to predict upcoming events rather than just perceiving the world on fire with several likely upcoming breakouts (e.g., war with China over Taiwan, the likely loss of our reserve currency, the unsustainable and uncontrollable burgeoning national debt which grows by a trillion USD every 100 days). The author makes a valid case that significant events are moving very rapidly and, for the rest of the 2020s, things are going to get a whole lot worse for the non-elites in our society. Of note, the book was actually written in 2020, published the next year, which then allows the readership now in 2025 to verify the accuracy the observations and predictions. Right on target!
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Reviewed in the United States on June 4, 2025
P
Verified Purchase
Peter Ganavazos
Alexandria, US
★★★★★ 5
Great book for understanding how the world works!
Format: Hardcover, Format: Hardcover
Dalio has a unique perspective on the topic of the changing world order. He is a successful businessman who has spent his career analyzing economic trends and patterns, and this book is a culmination of his findings. His writing is clear and concise, making complex economic concepts easy to understand. One of the best features of the book is its organization. The book is broken down into 14 chapters, each focusing on a different aspect of the changing world order. Dalio starts with the big picture, examining the major forces driving the changing world order, before delving into the specifics of each major empire, including the Dutch, British, American, Chinese, Soviet, and Japanese empires. Ultimately, he brings everything full circle by discussing the changing world order today and what the future may hold. Another great aspect of the book is the way that Dalio weaves history and economics together. He doesn't just present economic theories in a vacuum; he uses real-world examples to show how they have played out over time. For example, in Chapter 5, he discusses the Great Depression and how it shaped the changing world order in the 1930s and 1940s. He also uses the rise of populism in Chapter 7 to illustrate how economic inequality can lead to political instability. Overall, I would highly recommend "The Changing World Order" to any intelligent human interested in economics, history, or politics. This book is a must-read for anyone who wants to understand the forces shaping our world today and what the future may hold. As Dalio himself puts it, "understanding how the world works is essential if you want to accomplish your goals and live a fulfilling life." Here are some key takeaways from the book: The changing world order is driven by three major forces: the changing relative powers of countries, the changing relative productivity of countries, and the changing values of countries. The rise and fall of empires is a natural part of the changing world order. Each empire has its own unique characteristics, but they all follow a similar pattern of rise, peak, and decline. The post-World War II order was built on the idea of free trade and cooperation between nations. However, this order is now under threat due to rising nationalism and protectionism. China is currently on the rise and is likely to become the world's dominant economic power in the coming decades. However, although this rise is not guaranteed, and there are many challenges that China will need to overcome, the US needs to step up its game on several fronts to compete. The future of the world order is uncertain, but there are a few things we can say with some degree of certainty. For example, the rise of automation and artificial intelligence is a hot topic today likely to have a major impact on the global economy in the coming years. Overall, "The Changing World Order" is a well-written and informative book that is sure to appeal to a wide range of readers. Whether you're a history buff, an economics nerd, or just someone who wants to better understand the world we live in, this book is well worth your time. As Dalio himself says, "The more you know, the more you'll understand, and the more you'll be able to make informed decisions about your own life." Five stars from me, give it a read!
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Reviewed in the United States on May 9, 2023
J
Verified Purchase
Jayme
Port Orchard, US
★★★★★ 5
10/10 Recommend
Format: Hardcover
I took Jeffrey Sachs's Globalization class on EDX Academy and somehow stumbled upon this book in between class and finding books around the subject. I watched his youtube video that generalizes the book and was blown away by how my current class I was taking aligned with it. This book is an easy read, and especially for those who aren't well-versed about world history and world economics. I will admit that I do love history, and am learning economics, so this book was a beautiful way merge all these timelines together. The book breaks down and summarizes key points in world history and economics to make points to get the message across each chapter. Font size is great! Might even be considered larger compared to other books. The only thing I wish this book provided was thicker paper in the physical book itself, especially for the hardcover version. If Ray Dahlio ever comes out with a special edition of this with a higher quality paper, I would gladly purchase it for my collection.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2025

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