Monitor Audio Platinum Series guide

Rigid Diaphragm Technology (RDT®) mid-range and bass drivers

Bass and mid-range driver cones use RDT, a unique technology developed specifically by Monitor Audio’s engineers for the Platinum series of loudspeakers*. Designed to reduce mass and increase cone stiffness, RDT applies ultra-thin skins of C-CAM to a core of honeycomb Nomex®** material, creating a structure which is extremely light but incredibly rigid. At only 40μm thick, the C-CAM skins are half the thickness of a human hair, yet when bonded to the hexagonal honeycomb core they form an RDT cone, which is 150 times more rigid than a single layer of 200μm C-CAM alloy, but has a fraction of the overall mass. These properties allow the cone to operate as a lightning- fast piston for a clearer more natural sound. The cone’s new concave geometry has been refined by FEA analysis to provide a smooth frequency response and eradicate break-up.

To optimise the performance of the RDT cone, Monitor Audio has developed motor systems in which a focused magnetic gap and copper eddy rings work together to produce a higher level of linearity and lower distortion than was previously possible. Magnet plates and poles are CNC machined to very precise standards, ensuring consistency.

The Platinum mid-range driver utilises an ‘under hung’ voice coil design to further optimise linearity and reduce distortion. High energy NeFeB rare earth magnets are used for high efficiency, and a large 2” (50mm) voice coil is specified to handle powerful dynamic impulses. Its RDT cone is driven directly by the voice coil to provide an extremely articulate mid-range response and seamless integration with the other drivers.

Platinum’s bass drivers use long-throw voice coil windings for long excursions at high power levels, giving deeper, more controlled and potent bass. The larger 8” (200mm) drivers employ dual spider arrangements for extra stability. Their direct-drive RDT cones have no dust cap or joints to interfere with the driver response over the working band.

*PLW-15’s driver is C-CAM only

**Nomex® is a registered trademark of E.I DuPont de Nemours and Company

Platinum Series specifications

Monitor Audio's Platinum Series represents the pinnacle of hi-fi audio design, combining exquisite craftsmanship with cutting-edge technology to deliver an unparalleled listening experience. This series is recognized for its premium build quality, meticulously engineered components, and a refined aesthetic that complements any sophisticated environment.

At the heart of the Platinum Series is Monitor Audio's innovative driver technology. The series features the renowned RDT (Rigid Diaphragm Technology) driver, which combines a lightweight, rigid core with a specialized composite diaphragm to enhance sound reproduction. This technology allows for greater accuracy and responsiveness across the frequency range, resulting in clear, detailed audio that captivates listeners.

The Platinum Series also incorporates the DDA (Dynamic Damping) system, which works to minimize unwanted resonance within the speakers. This system utilizes specially designed cabinet construction and acoustic treatments to reduce vibrations, ensuring that the sound remains clean and focused. The result is an immersive audio experience where every note is delivered with precision.

One of the standout characteristics of the Platinum Series is its extensive range of products, including floorstanding speakers, bookshelf speakers, and center speakers. Each model is engineered to work seamlessly together, allowing for flexible configurations that cater to various settings, whether for music listening or home theater applications. The series also features advanced crossover designs for optimal phase coherence and imaging.

In addition to their performance capabilities, the speakers within the Platinum Series are designed with aesthetic appeal in mind. They feature premium finishes, including real wood veneers and luxurious lacquers, crafted to elevate the visual aspect of any space. The meticulous attention to detail in both sound and appearance ensures that these speakers are not only high-performing but also a beautiful addition to any home.

Furthermore, the Platinum Series is equipped with Gold Dome Tweeters, which enhance high-frequency response and reveal intricate details in the music. These tweeters are paired with the carefully designed waveguides to provide a wider listening sweet spot, making for an engaging experience for listeners both near and far.

In summary, the Monitor Audio Platinum Series exemplifies excellence in loudspeaker design, combining superior technologies, expansive product options, and exquisite craftsmanship to deliver high-fidelity audio that satisfies even the most discerning audiophiles. Whether used for critical music listening or as part of a home cinema setup, the Platinum Series promises to elevate any audio experience to extraordinary levels.