SKU: 9502009862

EarthQuaker Devices ZEQD-Pre Tube Preamp

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Description

EarthQuaker Devices ZEQD-Pre Tube PreampMaker: EarthQuaker Devices Model: ZEQD Pre Tube Preamp Condition: New Description: A collaboration between EarthQuaker Devices and Dr. Z Amplification Greetings, exalted merchants of quality instruments! Today, we are thrilled to introduce you to the ZEQD Pre Tube Preamp, direct from the minds of two of the worlds most revered sonic wizardsDr. Z from Dr. Z Amplification and our very own Jamie Stillman. In a market flooded with forgettable, anemic

Maker: EarthQuaker Devices

Model: ZEQD-Pre Tube Preamp

Condition: New 

 

Description:

A collaboration between EarthQuaker Devices and Dr. Z Amplification

Greetings, exalted merchants of quality instruments!

Today, we are thrilled to introduce you to the ZEQD-Pre Tube Preamp, direct from the minds of two of the world’s most revered sonic wizards—Dr. Z from Dr. Z Amplification and our very own Jamie Stillman. In a market flooded with forgettable, anemic digital emulations, the ZEQD-Pre stands above the pack as a thirst quencher for parched tone purists seeking a 100% analog solution.

Our Easy Listening Analog Amp Simulator continues to be a huge success, and the ZEQD-Pre shares some DNA with our Easy Listening pedal, including zero menu diving, zero IR loading, and a headphone output.  However, the ZEQD-Pre expands on the concept by offering a real EF86 tube-based circuit, three-band EQ, Boost, and a balanced XLR output, enabling users to run the ZEQD-Pre straight into any console or interface.  Additionally, it features an analog cabinet simulator which can be engaged for direct recording and gigging or bypassed to send a pure signal to IR loaders and modeling software.

You know just as well as we do that many players refuse to settle for anything less than a pure, all-analog tube amp experience when it comes to amp simulation.  And now, thanks to the ZEQD-Pre, none of your customers will have to.

The ZEQD-Pre is an all-analog tube preamplifier that brings together EarthQuaker Devices' innovative pedal design and Dr. Z Amplification’s decades of tube amp expertise. With a passive Three-Band EQ, professional headphone output, balanced XLR output, and onboard analog cabinet simulation, the ZEQD-Pre delivers authentic tube warmth and dynamic response in a complete analog amplifier system that fits right on your pedalboard.

Designed to live at the end of your signal chain, the ZEQD-Pre adds classic tube character to everything upstream. Its passive Three-Band EQ provides precise tonal control—fine-tune your amp's voice, push its preamp into rich harmonic overdrive, or breathe dimension and life into a modeling setup.  

This pedal is a simple, modern tool devised to give you all the organic sonic character and dynamic response of a tube amp in a compact and convenient form factor. There are no menus to dive through. No IR loading. No firmware updates. No 0s, 1s, or any other pesky digital artifacts to get in the way of you and your tone. The ZEQD-Pre is the no-fuss analog solution to all your digital woes.

The ZEQD-Pre features a built-in analog cabinet simulation for realistic amp feel during quiet practice sessions to give you the full EF86 tube character without disturbing your housemates. This feature is handily disengaged via the Cab Bypass switch enabling you to send a pure signal to your preferred IR loader or modeling software and making it perfect for direct recording, backline-free gigs, or hybrid rigs with multiple signal paths.

Hit the Boost footswitch and the Three-Band EQ drops out completely, delivering a full-range boost with its own dedicated level control. Two distinct tones at your feet: sculpted EQ tone or wide-open boosted voice. Simple, immediate, and musical.

The ZEQD-Pre uses the EF86 pentode—the same tube that gives many Dr. Z amplifiers their pristine hi-fi tone and makes them such responsive pedal platforms. What does that mean for you? It means dynamic and nuanced touch sensitivity, hi-fi full frequency clarity, and an EQ that is both predictable and highly responsive.

Though designed with guitarists in mind, the ZEQD-Pre’s broad range of EQ voices and tube warmth can enrich the sonic color and harmonic content of just about anything you can think of plugging into it, including, but not limited to, bass, synths, keys, drums, vocals, and microphones.

Each ZEQD-Pre is built by one sophisticated droid and many kind-hearted flesh and blood artisans in the tropical metropolis of Akron, Ohio USA.

  • Activate Foot Switch: This activates or bypasses the ZEQD-Pre
  • Boost Foot Switch: This defeats the tone controls and delivers a full range boost without altering the frequency response. This switch is only active when the Activate switch is on.
  • Bass: Adjusts frequencies from 20Hz-400Hz
  • Middle: Adjusts frequencies from 400Hz-2KHz
  • Treble: Adjusts Frequencies from 2KHz-20KHz
  • Level: Output volume control when the tone controls are active
  • Boost: Output volume control for when the Boost is active and the tone controls are bypassed.
  • Ground Lift (On Side): Press for ground lift on the XLR output.
  • Cab Bypass (On Side): Press to remove the analog cabinet simulation on the XLR out.
  • Headphone Out (On Side): TRS ¼”
  • Direct Out (On Side): Balanced XLR
  • Lifetime Warranty
  • Input Impedance: 10 MΩ
  • Output Impedance: Variable
  • Headphone Out Impedance: 39Ω
  • Direct Out Impedance: 100Ω
  • Current Draw: 500mA
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    Exchange/Return Notes
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    • Final sale items are not eligible for returns or exchanges.
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    SKU: 9502009862

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    4.3 ★★★★★
    Based on 22 reviews
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    Piotr S.
    Los Angeles, US
    ★★★★★ 5
    good quality
    Format: Hardcover, Format: Hardcover
    Content is top notch as always. My 5-stars go mainly to reflect print quality of the book. Text is nice and clear, binding is done in proper cloth spine binding as you would expect from hardcover edition. Ordered my book on Feb 5th, 2019 and received it on Feb 11th, 2019. The book feels solid not like to fall apart right away. No issues like those reported for "Real-Time Rendering, 4th Edition" or "Physically Based Rendering: From Theory to Implementation 3rd Edition" or "3D Math Primer for Graphics and Game Development, 2nd Edition". This one is a keeper, so sad some other CG books had to go beacuse of the quality "issues".
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 13, 2019
    T
    Verified Purchase
    Tyler aldrich
    Whiting, US
    ★★★★★ 4
    An Invaluable Book
    Format: Hardcover, Format: Hardcover
    Game Engine Architecture" by Jason Gregory has proven to be a treasure trove of knowledge, especially in the realms of lower-level computer programming and the inner workings of CPUs. The first third of the book, which I have thoroughly enjoyed, dives deep into the intricacies of memory management and concurrent programming. Gregory’s explanations are so lucid and engaging that the complex concepts of memory orders such as relaxed, release, and acquire have become clear to me, showcasing their critical roles in programming. What is particularly remarkable is how the book's first 400 pages serve not just as a guide to game engine architecture, but also stand on their own as an excellent introduction to computer science. It's a testament to the author's skill in distilling complex material into digestible content that even those without a vested interest in game development would find immense value in. However, a caveat I must mention is the book's physical heft. Its size and bulk make it somewhat unwieldy, and I learned this the hard way when it fell from my desk. The impact caused the page binding to tear away from the hard cover, which was disappointing considering the book's cost. Nevertheless, with some craftiness involving thick drawing paper and glue, I managed to repair it. If the author adds any more information to the next edition, it'd probably be best to turn this into a 2-3 volume set to manage the size. Despite this setback, the book remains an invaluable resource. Its depth and clarity are unmatched, making it a worthy addition to any tech enthusiast's library. Just be sure to handle it with care.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on November 11, 2023
    G
    Verified Purchase
    ghostwriter
    Massapequa, US
    ★★★★★ 5
    Much thicker than I expected!
    Format: Hardcover
    This book is massive and could easily be split into two or three volumes, which is great because it covers a very deep topic. It will be a while before I read the book from cover to cover, but the few chapters I've skipped to were able to help me immediately on some problem areas in a game engine that I built last year. I would definitely recommend this to anyone interested in video game development.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 14, 2021
    J
    Verified Purchase
    Jessica Jarrett
    Alexandria, US
    ★★★★★ 5
    Kickstarts your knowledge of game dev
    Format: Hardcover
    This book hits on all cylinders, condensing decades of actionable knowledge about game development into a single source. There's a lot more to game dev than what's in this book, but this gives fantastic usable detail on many subjects and gets you oriented with and pointed in the right directions for the few it doesn't.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on July 1, 2021
    G
    Verified Purchase
    gloine36
    Omaha, US
    ★★★★★ 5
    One of my favorite books and the inspiration for my World Regional Geography courses that I teach.
    Format: Hardcover
    Two decades ago when I served in the Missouri National Guard we had an extended drill weekend at Ft. Leonard Wood for a live fire artillery exercise. This was a three day drill and I remember it clearly because it was the same weekend as Princess Diana’s funeral on September 6, 1997. I had been at the local library the day before we rolled out and saw an interesting book that promised to explain why western civilization had been the one to colonize the New World and rise to ascendency over much of the world for a long period of time. That had always been an interesting question for me and one which many people do not know the answer to. I checked out the book and during some downtime I began to read. To say that the book grabbed my attention is an understatement. I started it on Friday and finished it on Saturday. My whole conception of how history had seen the rise of Western Civilization was fundamentally altered and would never be the same. At the time I thought that using Guns, Germs, and Steel as an educational tool would be a great idea. My dream of teaching history had never been realized and in 1997 seemed like it would never happen. However, history is full of strange things and in 2009 I got the chance to return to college and pick up my degrees. I began teaching American History in 2013 and was then asked to teach World Regional Geography for the Spring 2014 semester. They handed me a textbook and said, “Good luck.” As I drove back home I considered how I would teach this course and my mind recalled Jared Diamond and his Pulitzer Prize winning book. To make the story short, I built a course that used the textbook, Diamond’s book, and the National Geographic series based on the book. Obviously I take what Diamond said in Guns, Germs, and Steel seriously. I think Diamond did some outstanding work in doing three decades of research and then writing a book which to me is resonates with readers. For many years the idea that Western Civilization was superior to any other form has been the dominant world view. Diamond rejects that completely by saying Western Civilization had advantages that others did not have due to geography, or literally where it was. When you stop and think about it, why were the Europeans so superior to others for so long? Was it their race, their ideals, or what? Diamond said it was because of where they started that they developed into the world spanning civilization we know. What advantages did the Europeans have over others? They arrived with technology superior to all others, were better organized, and had the lethal gift of germs which in the Americas killed over half the population and was the biggest reason as to why the Europeans took those lands over. When Diamond explored the germ theory he realized that these germs came from contact with domesticated mammals such as horses, cows, pigs, chickens, sheep, and goats. These same mammals were what enabled Europeans to transport materials as well as have a convenient food supply and a power source such as horses pulling plows. This idea works when you look at the Americas and Australia, but not when you look at Africa and Asia. The lethality of germs did not affect the people in those regions like it did the Americas. In fact, some of the diseases in Africa killed the Europeans and prevented them for exploiting Sub-Saharan Africa for centuries. Some of these germs are now known to have come from Asia as well along with domestic animals that came from there. Many of the larger mammals Europe had were also found in Asia. In fact, some of the technology such as gunpowder came from Asia as well. Diamond acknowledged this in his book and sought to explain why Europe was able to expand while Asia did not. This is something I really stress in my class and it is something which the book and National Geographic series does not explore as deeply as it should. Diamond saw a decision made in the 15th century by a Chinese emperor as being the decisive event that altered human history. At that point China was the leading power in the world. It had a great navy, the largest country, gunpowder, advanced technology and far more people thanks to its agricultural practices than any other nation at that time. The decision by emperors in China’s Ming dynasty led to China losing its technological advantage over Europe although no one had any idea that this was happening. These decisions or orders are called Haijin. Diamond did not explore this in any depth other than to point to it and say that China’s inward looking policies which had existed for centuries were the result of its location, its geography. Its singular form of government used Haijin to build up its power at the expense of expanding China’s culture and boundaries. There is a lot here to work with, but Diamond seems to casually bring it up in the book’s epilogue. Instead he focuses heavily on the Americas where his theory of environmental determinism is the strongest. I think he gets the theory right, but in the case of Asia he needed to go deeper. Since Diamond is an ornithologist by education, and his world journey’s focused on New Guinea, I think his point of view was heavily influenced through his contact with hunter-gatherers. His theory is at its weakest in Asia and specifically China. That again reflects his preference for focusing on one type of people versus another. This does not mean his theory is wrong. It just needs expansion and I do not think Diamond will be doing that any time soon. His recent works have dealt with different ideas. Even with this glaring problem, I think this book is outstanding. It does answer the question of why Western Civilization dominated the world for the most part. For my geography class it is a wonderful tool. I focus heavily on how man domesticated two grains from the Middle East, wheat and barley, and built Western Civilization upon them. Coupled with the domestication of large mammals, the forerunners of Western Civilization spread through Europe. Geography played a huge role in why it went west and why there are so many differences between East and West on a cultural level. It also explains why there are such huge differences between North Africa and the lands to the south of the Sahara. The role of geography in shaping mankind is without a doubt the single underlying reason as to why history occurred like it did. This is really hard for students to understand because they seem to have been taught a much different concept prior to taking a geography course. Only by explaining the human-environment interaction do students begin to realize that geography caused man to make decisions which would reverberate for millennia. The people of the Middle East followed the Tigris and Euphrates rivers northwest into Anatolia and out of the desert. Man’s movement west, north, and south with the crops and animals of the Middle East were shaped by geographical barriers. Diamond points out how man overcame these barriers over time. The civilization that was able to do so developed greater technologies than others. He points to both European and Chinese naval developments in this regard. China’s need to continue to build its naval forces was negligible due to a lack of naval enemies while in Europe those enemies were often themselves as nations competed for resources and trade. Since China controlled all of its trade which was mostly internal or land based, its need for a navy was reduced. Europe surged ahead while China languished. In my classes I point to the barriers as we explore the world’s regions. I show how these barriers played such big roles. We play a board game by Avalon Hill that helps to illustrate this as well. Diamond’s book plays a big role in my class and so do his theories. I find it really helps students take the principles and ideas from the first part of the class and begin to apply them to the world regions we study. They are able to make the mental leap to the realization that the people of the world are different for many reasons, the foremost being the place in which they live more than anything else. It helps them to break down and discard the erroneous belief which many of them have regarding their place in the world. Using Diamond’s Guns, Germs, and Steel I am able to use Transformative Learning Theory to overcome the disorientating dilemma they find themselves in at the beginning of class. I could build a new class out of Diamond’s book that encompasses geography, history, and sociology if my school would let me. In fact, I could build two classes out of it. One would focus on why Western Civilization developed like it did and expanded to the Americas while the second one would focus on the development of Eastern Civilization and its failure to expand beyond Asia itself. While courses exist that dive into those ideas, they are built around history more than anything else. Few instructors use environmental determinism in explaining how early mankind developed in the places it did. The ultimate objectives of these courses would be why they developed like they did, not just their history. Diamond has written several other books such as Collapse, The Third Chimpanzee, and The World Until Yesterday. He is Professor of Geography at the University of California, Los Angeles. He has been awarded all kinds of prizes and awards for his research and work in multiple fields. I find it interesting that he began to study environmental history in his fifties which led to this book and many others. This to me is proof that you are not bound by formal rules regarding your education, but rather by using your interests coupled with the research capabilities your education has provided you new careers beckon. This book is a testament to following one’s interests and using one’s intellect. I highly recommend it to all readers. It is one of my favorite books and I have read through it multiple times.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on September 5, 2015

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