MartinLogan just announced that it is now shipping Theos, the most affordable electrostatic speaker the company offers. Theos features a passive 8-inch high excursion woofer and an ultra-low turbulence down-firing bass port providing detailed bass down to 43Hz.

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The 9.2-inch wide by 44-inch tall XStat electrostatic transducer (speaker panel) on the Theos required careful mechanical engineering to achieve MartinLogan's distinct 30-degree controlled dispersion pattern. To accomplish this, MartinLogan engineers reduced the gauge thickness of Theos's steel stators, which not only achieves the desired arc, but also reportedly increases the visual transparency of the panel.

Borrowing from the name of MartinLogan's Chief Audio Technologist, Joe Vojtko, the Theos uses Advanced Vojtko Filtering. This proprietary network is hand-built using precision point-to-point wiring, polypropylene capacitors, massive air-core coils, and a custom wound toroidal audio transformer.

Theos also features a fully passive woofer in a bass reflex design and custom bi-wire capable binding posts giving flexibility in amplifier selection and connectivity--from single wired solid state systems to vertical or horizontal bi-amplified tube installations.

Initial shipments of Theos will be offered in three hand-rubbed real-wood finishes including black ash, dark cherry, and zebrawood. Custom finishes are also available through authorized dealers.

US retail price is $4,995 per pair for standard finishes.