Thirteen months after announcing its return to manufacturing, Memphis-based speaker maker EgglestonWorks is back in a big way, with plans to debut a "radical" and "visually provocative" reference loudspeaker at the Consumer Electronics Show in January.Two years in the designing, the $39,000/pair Savoy is the latest addition to the company's Reference line of speakers, originally developed in conjunction with Bob Ludwig's Gateway Mastering Studio in Portland, ME. EgglestonWorks' Ivy Reference, the result of Ludwig's desire for a world-class two-way loudspeaker, was the basis for the Savoy…