Servodrive Bass tech 7

THE WORLD'S MOST POWERFUL SUBWOOFER.

All ServoDrive loudspeakers incorporate a unique, patented operating principle involving the substitution of high-speed rotary servo-motor and belt-drive
system for the traditional loudspeaker voice coil/magnet transducer
system. The concept was created by renowned engineer, Thomas Danley. In
the years since their introduction, ServoDrive subwoofers have
heightened the awareness of the tremendous effect massive low
frequencies have in both fixed installations and touring sound
applications.  ServoDrive's BassTech 7s provide more sound pressure
level capability than any other subwoofer on the market. Features
include: exceptionally low harmonic distortion, true high-fidelity
performance, virtually no output loss due to power compression,
frequency response virtually flat to below 28Hz, extraordinarily
efficient - low power requirement for full SPL output. The BassTech
7s display smooth frequency response (essentially flat from crossover
frequency down to 28Hz). Revolutionary motor-driven belt design increases linear excursion and efficiency, handles large low-frequency peaks without damage or sonic compromise
The BassTech 7s have been on tour with the Rolling
Stones, Michael Jackson, U2, Garth Brooks, Phish, and Lyle Lovett. From
Super Bowl half-time shows, to Disney World, Universal Studios, the
Mirage Volcano, Buccaneer Bay at Treasure Island, Crystal Cathedral,
and Blumenthal Theater - wherever crowds gather, these subwoofers are guaranteed to bring a new level of excitement!
One bass tech seven in great condition. Used in a home theater room. Local pick up only.