Perlisten S7t loudspeaker

December 13, 2021 § Leave a comment

When the S7t’s arrived, I was glad to have help setting them up—definitely not a one-person job. Three masked men—Steve Jain of Fidelity Imports, his son Ethan, and a friend—made quick work of assembling and positioning the S7t’s, which came in a spectacular Gloss Ebony finish. The substantial-looking rectangular cabinet bears what at first glance appears to be five drivers mounted to a thick, meticulously sculpted front panel. On the rear is a glamorous polished brass panel with two massive pairs of multiway binding posts fitted with jumper plates. Below that is a perforated rectangular metal grille that is echoed on the side panels; they function as the vent when the S7t is used in its standard, bass-reflex mode. A 27.5lb steel plate attached to the base supports four adjustable outrigger feet. Spikes are optional.

When you look closer, you see that the S7t has seven drivers, not five. Four of those—two on bottom, two up top—are 7″ (180mm) woofers. Between them is a carefully contoured waveguide—an acoustic lens—that is roughly the same size as the woofers. Its central element is the 28mm (1.1″) beryllium-dome tweeter. Closer examination reveals two additional 28mm domes embedded at the top and bottom edges of the lens so that their perforated covers preserve the lens’s contour; these domes are made from “thin-ply” carbon. Perlisten calls this central assembly the Directivity Pattern Control (DPC) waveguide. This feature is central—literally and figuratively—to Perlisten’s Signature and Reference speakers.

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