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The S Class models ACE SL, SM, SH all incorporate the Benz Dynascan with Gyger S stylus coupled to improved generators using new coil windings and refined pole pieces/damper designs. Albert Lukaschek began researching increased performance and uniformity of his crosscoil designs while developing the Benz Ebony H, L and TR models. Experimenting with the length of the solid Boron cantilever revealed how the elasticity of this very stiff material contributed to compliance and trackability. Development of a grooved rear pole piece for countersinking the o-ring damper, first introduced on the Benz Ruby square plate cartridges, was then adapted to the cross coil designs, given their lower contact area and damping characteristics. The lower mass coils and matched cantilevers of the new S Class retain their real world output levels and with their improved styli, offer higher performance. Music lovers are getting the best performance/value ratio in phono cartridges, regardless of output level.

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"The ACE SL produced solid, well-defined, yet delicate images within a world-class-wide soundstage of reasonable depth. Its resolution of ambient cues and inner detail were astonishing for $700. Its tonal balance combined lower-midrange warmth, reasonably good bottom-end extension, good top-end extension and detail, and a slight reticence in the transition from the upper mids to the treble that produced a relaxed, very pleasing, yet detailed sonic picture. There were no standout colorations, hard edges, or grain." - Michael Fremer, Stereophile June 2009

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