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Relab QuantX Natural Resonance Reverb
Relab QuantX Natural Resonance Reverb
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Introducing the QuantX Natural Resonance Reverb by Relab
QuantX 2.0 is the world’s only dual-engine premium re-creation of a beloved 80’s hardware reverb, revered for its highly realistic ambience and long reverb times.
This legendary resonance reverb, once the cornerstone of many world-class studios, has been meticulously re-created so you can:
- Feel the authenticity in every tweak: Relab’s advanced machine learning captures every nuance, giving you the sound AND feel of the legendary hardware, quirks included.
- Shape your sound with precision: Relab’s unique dual-engine design of QuantX enables real-time fine-tuning of reverb width and “front-to-back” depth for unparalleled sound sculpting.
- Enhance your mixes with ease: With hand-tuned 8-voice modulation, first reflection channel swapping and expanded bandwidth control, QuantX makes crafting complex, textured reverbs fast and simple.
Once you try QuantX 2.0, you’ll instantly feel the essence of this classic room simulator, and hear what makes this uniquely natural and realistic reverb so compelling.
QuantX is the world’s only dual-engine multi-algorithm premium re-creation of a beloved 80’s natural resonance hardware reverb.

Sample-to-Sample Comparison Of The Reverb Tail Decay of The Quantec QRS and The QuantX Natural Resonance Reverb plug-in by Relab

Sample-to-Sample Comparison Of The Reverb Tail Decay of The Quantec QRS and The QuantX Natural Resonance Reverb plug-in by Relab

Sample-to-Sample Comparison Of The Reverb Tail Decay of The Quantec QRS and The QuantX Natural Resonance Reverb plug-in by Relab

Sample-to-Sample Comparison Of The Reverb Tail Decay of The Quantec QRS and The QuantX Natural Resonance Reverb plug-in by Relab

The Quantec QRS vs QuantX by Relab
Most reverb emulations use static models that often ignore the hardware’s dynamic character. Building on the success of our popular LX480, and using a next-generation advanced machine learningframework and extensive analysis of millions of data points, we’re proudly setting new standards by capturing the true dynamic essence of the hardware with unmatched accuracy.
QuantX exceeds typical hardware emulations by meticulously re-creating not only the sound, but the ever-changing character of vintage gear, offering a living, and ever-evolving authentic quality.
*Quantec and QRS are trademarks of QUANTEC Tontechnik GmbH. which are in no way associated or affiliated with Relab Development. These trademarks, along with any from other manufacturers are used solely to identify the products of those manufacturers whose sounds were studied during the development of the plug-in
Maximize Your Mix with Dual-Engine Reverb Control
QuantX’s unique dual-engine design combines two powerful reverb systems, each with its own set of four outputs, working in harmony.
This dual approach gives you the ability to fine-tune both the width and “front-to-back” depth of your reverb in real time.
With QuantX, you’ll enjoy the creative freedom of blending the distinct qualities of both modules in this twin-engine titan, ensuring your reverb always sits perfectly within the mix.
Timeless Reverb, Your Way...
Toggle between two unique reverb algorithms—a pristine, factory-spec German unit and a deeply characterful, time-worn US unit. With the Temperature Control knob, you can now emulate the evolution of sound from a cold startup to the warm, rich tones of a hardware unit left on for 72 hours. Your sound, your era, your choice.
QuantX 2.0 captures the essence of classic gear aging. The US algorithm faithfully recreates the quirks of an unstable crystal clock and aging components, while the German version delivers the stability and clarity of a freshly restored machine. Together, they offer sonic flexibility no competitor can match.
You’ll hear the difference from the first instant: precision, warmth, and a touch of hardware magic. With QuantX 2.0, your reverb evolves in real time, letting you craft timeless spaces for every sound.
Embracing Time's Imperfections in Plug-in Form
At Relab, our goal has always been to go beyond mere emulation. We strive to digitally recreate iconic hardware by capturing not only the sound but also the unique journey of a unit’s imperfections.
For the QuantX, we meticulously selected three exceptional units from the US, Japan, and Germany. While the German unit—renowned for its rich sound and minimal noise—set the standard for our pristine emulation, the US model brought a distinct warmth and evolving tonal character, driven by its aging components and less stable crystal clock. These quirks added a human-like unpredictability to its sound, a hallmark of vintage analog gear.
Over 12 months, we engaged in painstaking reverse engineering, collaborating with veteran engineers to restore the German unit to its original 1980s specifications. To ensure complete authenticity, we custom-built interfaces to allow MIDI control of every original unit and analyzed the US version’s gradual heat-induced shifts in sound.
This precision was critical for our machine learning algorithms to run months of exhaustive tests, capturing every nuance and imperfection. Specifically, we modeled how temperature changes in the US unit caused clock fluctuations, introducing a ±3% stability factor that significantly impacted the reverb’s behavior. QuantX faithfully recreates the organic feel and evolving depth of pristine and time-worn classics by integrating these variations.
Experience the True Essence of a Long-Adored 80's Classic Reverb
With QuantX, you’re not just acquiring another reverb emulation plug-in; you’re stepping into a realm of unparalleled hardware re-creation so you can:
- Discover the highly realistic natural resonance ambience of a beloved 80’s hardware unit, so you can bring a revered, classic sound to your modern productions.
- Feel the authenticity in every tweak so you can experience the sound AND true feel of the legendary hardware, complete with its unique quirks.
- Escape the typical limitations of common reverb plug-ins and enjoy the simplicity and depth of a premium dual-engine re-creation.
QuantX allows you to create a distinctive sonic signature, defined by clarity, quality, and confidence, helping your mixes stand out and capture the listener’s attention.
Elevate Your Sound, Not Your Expenses
Imagine the thrill of hunting down a classic piece of audio history – an original iconic reverb unit from the golden era of 1982. These units, once the heartbeat of high-end studios, are rare finds today. And if you’re lucky enough to find one, you’re looking at shelling out around $5,000. That’s not even counting the expertise and time needed to restore it to its former glory.
But what if you could get all that classic reverb magic and more, without emptying your wallet or diving into the deep end of complex maintenance? That’s where QuantX steps in – it’s exactly like having that legendary reverb unit, but in a super convenient plug-in.
Think of QuantX as your hassle-free ticket to that legendary sound. No need to break the bank or become a tech wizard to keep it going. Easy, reliable and authentic – that’s QuantX.
Hardware Requirements
Mac requirements (64-bit only):
OS X (10.15 or higher), Intel processor, M1 processor, 2GB of ram.
Compatible host application:
– Logic Pro: 10.x
– Pro Tools: from version 11.3.2 and up
– Cubase 9.5 and up
– Nuendo: 8 and up
– Live: 9 and up
Win requirements (64bit only):
Windows 10 or higher, Core 2 or higher, 2GB of ram.
Compatible host application:
– Pro Tools: from version 11.3.2 and up
– Cubase 9.5 and up
– Nuendo: 8 and up
– Live: 9 and up
No hardware dongle is required to authorize this product.
You can choose between local computer authorization OR the ilok USB key (V2 or above). However, a free PACE iLok account, internet connection and the latest PACE drivers are required at the time of product activation. A PACE Ilok account and drivers are available here.
