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Introduction  •  Facts at a Glance  •  The Cabinet  •  History of Wilson Materials Research  •  The Drivers  •  Specifications  •  Series-2


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Sasha W/P
Dave Wilson began building WAMMs, his first state-of-the-art loudspeaker, in 1981. The cabinets were constructed of Baltic birch plywood and metal-hybrid baffles. By the time he had conceived and built the first WATT in 1985, Dave was looking for materials that could exhibit much better damping while achieving greater rigidity than wood, mdf, or aluminum. For the WATT, he chose a mineral-filled acrylic compound. The WATT was immediately acclaimed for its inert, low-resonance cabinet and uncolored sound.

The next challenge was to find a material that would work as well or better for bass enclosures. The arrival in 1992 of the X-1 Grand SLAMM marked the introduction of X material, Wilson's first proprietary creation. As rigid as steel, but with superb damping, X material is a cellulose and phenolic composite. It has proved a versatile construction material for every part of Wilson cabinets except those housing midrange drivers, since X material's resonant frequency lies at 1000Hz, within the midrange.

Play Movie - The History of Wilson Materials Research

Timeline of products (1981 - 2002)

Having achieved such an impressive research payoff with X material, the next challenge was to create a composite more ideally suited to the midrange that could improve upon and replace mineral-filled acrylic.

The result of this endeavor was M material, a wood particle and phenolic resin laminate, which approaches X material's combination of high rigidity and high damping, but with a specific hardness that coupled ideally with midrange driver frames.

M material was first used in the Series 1 MAXX, from whence it took its name. Its first appearance in a WATT cabinet came in 2002, with the introduction of WATT/Puppy System 7. The fourth generation M (M4), which is an epoxy laminate, is used in both MAXX Series 3, and Alexandria Series 2.

Sasha introduces Wilson's newest material, which is a combination of natural fibers in a phenolic resin laminate. While precedent would suggest we call it "S" material, we're frankly less concerned with naming it right away than with exploring its true potential. Within Sasha, it's employed as the baffle material in the upper module, achieving a new standard for low coloration and midrange beauty.