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        MW 140.38 Fibonacci 5.5" Bass-mid woofer

        RS Speakers MW 140.38 Fibonacci 5.5" Bass-mid woofer

        €144,95

        Out of stock

        RS Speakers MW 140.38 Fibonacci 5.5" Bass-mid woofer

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        € 119,79€ 144,95 Out of stock

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        Product description RS Speakers MW 140.38 Fibonacci Bass-mid woofer

        The RS Speakers MW 140.38 Fibonacci Bass-mid woofer is a 5.5-inch driver that exemplifies Italian innovation and craftsmanship. With its unique laser-etched paper pulp cone following the Fibonacci sequence, this mid woofer delivers outstanding control of resonances and brings natural sound to any high-fidelity loudspeaker system. Designed for both audiophile and professional applications, it combines patented technology, precision engineering, and premium materials to ensure uncompromising performance in home audio setups or advanced DIY projects.

         

        Highlights of the RS Speakers MW 140.38 Fibonacci

        • Patented custom paper pulp cone with Fibonacci laser etching for optimal resonance control
        • Advanced double asymmetric rubber surround and progressive Conex spider for linear excursion
        • High-power 1.5” voice coil with fiberglass former for stability under extreme conditions
        • Aluminum phase plug and demodulating ring for extended frequency response and low distortion
        • Includes sealing gasket, mounting screws, and griff nuts for practical installation.

         

        Product details RS Speakers MW 140.38 Fibonacci

        RS Speakers MW 140.38 Fibonacci 5.5” Mid woofer

         

        The MW 140.38 Fibonacci stands out with its custom-designed diaphragm, which uses a para-elliptical paper cone enhanced by a laser-etched Fibonacci pattern. This patented process follows the mathematical golden ratio, reducing unwanted resonance modes and delivering a balanced, natural sound signature. The cone is further treated with an acrylic coating on the front and a damping layer on the back, forming a sandwich structure that perfectly balances rigidity and damping. The result is a mid woofer capable of reproducing music with clarity and precision, making it an excellent choice for high-end speakers and audiophile-grade monitors.

         

        Engineered for superior mechanical performance, this woofer features an NBR butyl rubber surround with Double Asymmetric Rolls technology, providing symmetrical excursion even at high output levels. The progressive Conex spider is meticulously crafted to maximize excursion while minimizing dynamic offset, ensuring accurate response across the entire frequency range. The free compression basket design, with thin aluminum die-cast spokes, eliminates rear reflections from the cone, further enhancing sound purity and minimizing coloration, which is critical in demanding woofers applications.

         

        The MW 140.38 Fibonacci is built to handle substantial power, with a 1.5-inch voice coil wound on a fiberglass former for high thermal stability and durability. The ventilated ferrite magnet system is augmented by an aluminum demodulating ring, which reduces inductance and harmonic distortion for clean, dynamic playback. The inclusion of a custom aluminum phase plug extends the usable frequency range, making crossover integration with tweeters exceptionally smooth, and facilitating detailed midrange and upper bass reproduction.

         

        This driver is ideal for advanced DIY speaker kit builders and audio professionals seeking to craft bespoke sound solutions. Its precision Thiele & Small parameters, robust construction, and included mounting accessories ensure flexible installation in a wide variety of enclosures. Whether integrating into a sophisticated home audio system or designing custom monitors, the MW 140.38 Fibonacci offers a blend of innovation and sonic excellence that sets a new standard for mid-bass drivers.

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        Specifications

        Article number
        MW 140.38 Fibonacci
        EAN
        9508991123452

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        MW 140.38 Fibonacci 5.5" Bass-mid woofer
        € 119,79
        € 144,95
        MW 140.38 Fibonacci 5.5" Bass-mid woofer
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