CLARITY 6.2
Explore the cutting-edge technology behind our innovative compact speakers
"Throughout my nearly 50 years in the audio industry, my goal has always been to redefine what great sound can be. Radiant Acoustics marks the latest chapter in this journey, and I’m thrilled to share it with you!
Born from the collaboration of several talented minds in my organization, Radiant Acoustics delivers outstanding sound quality at an incredible value. Our Clarity 6.2 speakers, designed for discerning music lovers, offer a faithful reproduction of live music with truly outstanding dynamics—all in a compact, elegant design".
Peter Lyngdorf
Founder, HiFi Klubben & DALI
Co-Founder, PURIFI
INTRODUCING
Clarity 6.2
MUSIC IN ITS PUREST FORM
CLARITY 6.2
Imagine a speaker delivering deep, well-defined bass alongside clear mid and high frequencies with no audible distortion. A speaker system with sound that defies conventional limitations, offering the full dynamic range of live music while preserving the purity and authenticity of the original recording – all in a small two-way system!
This is the essence of the Clarity 6.2. Despite its compact two-way design, Clarity 6.2 achieves what is typically reserved for much larger three-way systems: seamless, expansive sound that fills your listening space.
This level of performance is made possible by the use of cutting-edge technology and meticulous, uncompromising design, incorporating groundbreaking innovations that set Clarity 6.2 apart from any other speakers in their class.
INNOVATIVE TECHNOLOGIES AND CRAFTSMANSHIP
Behind Radiant Acoustics
ULTRA-LOW DISTORTION
PURIFI USHINDI WOOFERS
At the core of the Clarity 6.2 speakers lies cutting-edge woofer technology from PURIFI Audio. Radiant Acoustics exclusively uses PURIFI’s top-of-the-line USHINDI woofers, which deliver unprecedented performance levels for compact driver units.
USHINDI woofers are engineered to minimize distortion and maximize efficiency, allowing these compact long-stroke woofers to rival much larger woofers with shorter strokes in pure output. Typically, a long-stroke woofer would compromise the midrange in a compact speaker due to the excessive movement of the driver, but PURIFI’s advanced technology has created a woofer with both an exceptionally long stroke and extremely low distortion. As a result, the USHINDI woofers offer remarkable frequency extension with no audible distortion and deliver deep bass while maintaining clarity and precision in the midrange.
USHINDI woofers feature several patented solutions to eliminate distortion, including the PURIFI PureDrive ultra-linear motor system, cone geometry optimized through mathematical refinement, and the acclaimed PURIFI NeutralSurround.
Clarity 6.2 use the PTT6.5X04-NLA-10 woofer.
PURIFI USHINDI
KEY FEATURES
Ultra-Low Harmonic Distortion (HD)
USHINDI woofers minimize HD to levels comparable with top amplifiers, ensuring minimal audible coloration and a more accurate sound.
Ultra-Low Intermodulation Distortion (IMD)
USHINDI woofers dramatically reduce intermodulation distortion (IMD), which occurs when different frequencies, such as a female voice and a bass guitar, are played simultaneously. This distortion, which can blur the clarity of music by allowing low-frequency tones to interfere with mid and high-frequency sounds, is reduced by over ten times compared to other high-end drivers, thanks to PURIFI’s advanced technologies.
NeutralSurround
A standout feature is the “NeutralSurround” edge suspension. With its mountain-like design, it can maintain a consistent diaphragm area even during large fluctuations. Unlike standard suspensions that often cause sound distortion, especially IMD when frequencies overlap, this mirror-symmetrical design ensures almost no deviation in the radiating area, maintaining superior sound quality even in the most complex tracks.
Constant Force Factor Across Voice Coil Position (Bl(x))
USHINDI woofers maintain a nearly constant Bl across the voice coil’s range, reducing amplitude modulation and distortion, ensuring clear midrange performance even at high sound pressure levels.
Constant Inductance Across Voice Coil Position (Lgen(x))
USHINDI woofers minimize distortion through an advanced motor design that maintains consistent inductance, resulting in lower intermodulation distortion and more accurate audio output, ensuring exceptionally pure sound reproduction.
Ultra-Low Current Distortion
USHINDI woofers minimize magnetic hysteresis distortion, reducing unpleasant artifacts in higher frequencies for an exceptionally clean, grain-free audio experience with a deep, black background in the music.
Smooth Frequency Response with Excellent Dispersion
The optimized cone geometry and proprietary materials, such as PURIFI NeutralSurround and ConeRing, provide USHINDI woofers with a smooth frequency response and controlled dispersion, minimizing break-up modes, ensuring natural high-frequency roll-off, and enhancing integration within crossover networks for a more immersive listening experience.
FULLY SYMMETRICAL
HIGH-END AMT TWEETER
The Clarity 6.2 features a custom-designed, top-of-the-line AMT (Air Motion transformer) tweeter with an ultra-thin folded diaphragm and a large surface area, which delivers powerful and precise high-frequency reproduction. The super-sized AMT tweeter, meticulously crafted for Radiant Acoustics by sister company DALI, boasts very high efficiency—up to four times greater than a typical dome tweeter, and way higher than other, smaller AMT-tweeters. This high output capacity significantly reduces the risk of overload and current compression, minimizing distortion.
A key feature of this AMT tweeter is its symmetrical dual-magnet configuration, providing a stronger and more stable magnetic field compared to the more common single-magnet design used in other AMT tweeters.
This dual-magnet system ensures greater control over the diaphragm’s movement, leading to even lower distortion and improved clarity in high-frequency reproduction. The increased magnetic force also contributes to the tweeter’s exceptional efficiency and power-handling capabilities.
Compared to a standard dome tweeter, the Clarity 6.2 AMT’s exceptionally large diaphragm and absence of typical diaphragm break-up provide excellent linearity across all frequencies, once again resulting in incredibly low distortion. Its outstanding power handling also ensures there is no thermal compression.
Overall, the different technologies in the tweeter come together to deliver extremely low distortion and crystal-clear, yet powerful and dynamic sound, making it the perfect match with the PURIFI woofers, allowing the Clarity 6.2 speakers to fully harness the potential of the USHINDI technology.
CUSTOM-MADE
HIGH-FREQUENCY BEAM EXPANSION WAVEGUIDE
Specifically designed for these speakers by the innovative team at PURIFI, the custom waveguide with five aluminum “fins”, or coherers, is more than just an aesthetic element—it solves a crucial challenge in seamlessly integrating an AMT with a mid/woofer.
Typically, pairing an AMT tweeter with a mid/woofer requires the woofer to operate at higher frequencies to match the AMT at the crossover point. This can cause the woofer to become very directional, or “beamy”, at higher frequencies, while the AMT has a much wider dispersion, leading to a discontinuity in the sound.
The waveguide effectively narrows the AMT’s directivity to align with the woofer at the crossover region, creating a seamless and smooth transition between the two. This alignment ensures an accurate and cohesive soundstage.
Additionally, the shape of the waveguide restricts vertical dispersion, minimizing unwanted reflections from the ceiling and floor.
To achieve the most precise, even, and natural sound distribution, PURIFI conducted extensive computer simulations to perfect the waveguide’s shape and features, resulting in the distinctive design seen on the Clarity 6.2.
What truly sets this waveguide apart from nearly all other waveguides is its dual function: while the shape of the waveguide itself narrows the tweeter’s directivity to perfectly match the woofer around 2400 Hz, the aforementioned fins also help broaden the AMT’s dispersion at higher frequencies.
This dual design allows the listener to enjoy intricate details even when not situated in the classic ”sweet spot”.
In short: this custom waveguide not only enhances the transition between the AMT and the woofer but also ensures a consistent and engaging listening experience across the entire room in the higher frequencies. This is why it is referred to as a dual-purpose waveguide, and it represents a truly unique and innovative design made especially for the Clarity 6.2 speakers.
2D DIRECTIVITY ANALYSIS
360° horizontal radiation, measured at three frequencies (200 Hz / 2000 Hz / 20 KHz).
Dispersion decreases steadily and consistently as the frequency increases.
At 20 kHz, the SPL remains within 6 dB of the on-axis level until nearly 40° off-axis.
DUAL PURIFI USHINDI
PASSIVE RADIATORS
To further enhance performance, Clarity 6.2 utilizes passive PURIFI USHINDI radiators instead of conventional bass reflex ports. These radiators essentially function as motorless woofers, dramatically improving the bass extension of the speakers. The two 6.5” radiators feature a large surface area, enabling slower movement ensuring deep bass with incredibly low distortion. This design achieves deep bass in a compact cabinet, something a ported design would require a larger cabinet to accomplish. The smaller cabinet also reduces internal standing waves, improving sound quality, while passive radiators eliminate port noise, resulting in cleaner bass that doesn’t compromise midrange clarity.
While more expensive than conventional options, passive radiators are key to achieving the low distortion and exceptional sound quality that Clarity 6.2 was designed to achieve.
The passive radiators are positioned back-to-back in a Dual Balanced Push-Pull configuration, with both units aligned along the same horizontal center axis, perpendicular to the active loudspeaker drivers' axis. This arrangement ensures that the mechanical forces exerted by the passive units on the enclosure balance out to zero, even during extreme displacement. As a result, any intermodulation distortion of the direct sound from the units or front baffle is eliminated. Additionally, this configuration prevents the loudspeaker system from becoming ‘self-driving,’ which could otherwise occur due to the powerful impact of the passive radiators.
The passive radiators used in Clarity 6.2 are the PTT6.5PR-NL2-02 6.5-inch PURIFI radiators.
SUPERIOR
IRON-FREE CROSSOVER
The crossover in Clarity 6.2 is engineered to deliver pristine sound quality by thoroughly minimizing distortion. Using top-tier drivers required significantly reducing iron distortion by eliminating iron from all components, including the terminals. Air coils are employed throughout to ensure linearity, with thick coil wires minimizing DC resistance and optimizing sensitivity and unit attenuation.
Capacitors have been chosen based on rigorous objective measurements, aiming for a high self-resonance frequency and low internal resistance. This approach minimizes loss and distortion while ensuring high power handling. Similarly, resistors are designed to maintain linearity with low self-induction and high-power capability, all while being free from iron parts.
AS SIMPLE AS POSSIBLE, AS COMPLEX AS NEEDED.
In designing the crossover, the focus was on achieving perfect synergy between the woofer, tweeter, and passive radiators, while ensuring controlled and consistent horizontal directivity across the entire frequency range. This enhances the interaction with the listening room, enlarging the classic sweet spot and making sound reproduction less dependent on the listener’s position.
All of the high-quality materials used in the crossover were meticulously evaluated and selected using objective measurements as well as subjective listening tests, ensuring that each component provides genuine value without relying on expensive brand names that can inflate costs. The crossover design follows the principle of “as simple as possible, as complex as needed,” allowing for maximized value while maintaining exceptional performance.
PRECISION CNC MACHINED
ALUMINUM FRONT BAFFLE
The front baffle of the Clarity 6.2 is crafted from a single, 15 mm thick piece of aluminum, CNC machined from a solid aluminum block and bonded to a 21 mm MDF front baffle. This sandwich design minimizes vibrations and distortion, ensuring optimal conditions for the PURIFI woofers. Although the use of a single-piece, heavy-duty aluminum baffle is a substantial investment, it significantly outperforms the MDF-only baffles commonly found in other speakers, even within this price range.
The aluminum baffle provides remarkable sturdiness, greatly reducing flexing and distortions from the enclosure and ensuring that nearly all audio output originates from the woofers only. The chamfered edges of the front baffle reduce unwanted diffraction, further enhancing sound clarity.
BASOTECT® DAMPENED
HIGH-QUALITY CABINET
Conceptualized in Peter Lyngdorf’s personal wood shop, the 21mm thick MDF cabinet with a horizontal bracing member is crafted to maximize stiffness and minimize cabinet noise. A specialized support pad provides ample space around the woofers to optimize the performance conditions. Additionally, the woofer magnet is supported by a brace-plug that directs energy to the center of the cabinet, minimizing flexing in the rear and front baffles, where it would have added more audible distortion.
Internally, the cabinet is dampened with Basotect®—a flexible, open-cell foam made from melamine resin, renowned for its excellent sound absorption properties.
This material is particularly effective in dampening the backward sounds produced by the AMT tweeter, ensuring the cabinet remains quiet and the overall sound quality is preserved.
CUSTOM CLARITY SPEAKER STANDS
To fit the high quality of the speakers, we constructed these exceptionally robust and stable speaker stands, custom-tailored for the Clarity 6.2 speakers but versatile enough to support a wide range of compact speakers on the market. Constructed with a solid aluminum plinth, these stands are substantial, weighing 22 kilograms each.
They feature an adjustable and optional upward tilt for optimal vertical sound dispersion and offer flexible internal cable management. Additionally, the stands include interchangeable top plates, secure mounting options, a compartment for sand filling, and height-adjustable spikes with floor-protecting tablets.
No noise, just music
Radiant Acoustics Clarity 6.2 represents the culmination of decades of expert craftsmanship, groundbreaking technology, and an unwavering commitment to high-fidelity audio. By leveraging the unique strengths of PURIFI drivers, paired with a cost-no-object AMT tweeter and an innovative, truly unique waveguide designed by PURIFI, along with a high-quality cabinet and a superior crossover, the Clarity 6.2 delivers a listening experience that defies the limitations of its size and price point.
For audiophiles, discerning listeners or just plain music lovers, Clarity 6.2 offer an extraordinary level of detail, dynamic range, and clarity—qualities typically found in much larger and more expensive systems. This achievement is the result of a unique collaboration among some of the brightest minds in the audio industry, all with a shared goal: to make high-end sound accessible without compromise.
"When you sit down to listen to a pair of Clarity 6.2 speakers, the first thing you’ll notice is the lack of distortion, resulting in a smooth and natural sound. You experience all the details in the recording, but they aren’t harsh or overwhelming. Your shoulders relax, and you think: "OK, this sounds just right…”
Henrik Reinholdtsen
CEO, Nordic Hi-Fi
ASSEMBLED, QUALITY-TESTED, AND APPROVED IN
NØRAGER, DENMARK
Every product undergoes rigorous testing using advanced equipment in Nørager, Denmark, before being carefully packaged and shipped to you. This meticulous process ensures that each product meets our high standards, guaranteeing an exceptional experience for our customers.
