Inspired by MartinLogan's high-end electrostatic loudspeakers, the Motion Series was created to provide stunning sound for your ultimate-performance home theater or stereo. MartinLogan's dedicated in-house engineers carefully crafted the Motion Series to create an extremely affordable and compact product line that seamlessly blends their exquisite Folded Motion transducers with powerful, compact bass technology. The result is a smooth, refined sound with stunning dynamic range and jaw-dropping clarity.
Focusing on clarity and detail as MartinLogan's other high-end electrostatic loudspeakers, Motion 4 features an exquisite Folded Motion tweeter, powerful bass, and folded reflex port technology in a compact and affordable package. Key to Motion 4’s performance is the lightning fast response of the tweeter’s light-weight diaphragm combined with a large surface area (8-times that of a typical one-inch dome tweeter) which together achieve a smooth, refined sound with stunning dynamic range and jaw-dropping clarity - certain to inspire envy in audiophiles and non-audiophiles alike.
Folded Motion Tweeter The Folded Motion Tweeter works by moving air (which creates sound) perpendicular to the folded ridges of the diaphragm, similar to how an accordion works. This extremely low mass diaphragm "squeezes" air and requires almost 90% less excursion than the typical 1" dome tweeter, which drastically minimizes distortion while providing a lightning fast response time. The increased surface area also provides a wide, yet controlled sound dispersion to create a realistic and carefully etched sound stage.
Folded Motion Cascading Bass Port Engineered by the genius MartinLogan engineers after many sleepless nights and a myriad of prototypes, the Folded Motion Cascading Bass Port allows a long tuned port, which is folded over itself (think of a trombone's tuning arm) to be compacted and squeezed into the Motion 4. This innovative design slows down and controls the air motion of the bass wave to create amazingly detailed low bass that can play at high volumes with minimum distortion.
Premium Components Featuring 4-inch woofer, paper cone doped for stability and damping, and rigid dust cap, plus Precision Vojtko crossover with custom air core coil and low DCR steel laminate inductors, and polyester film and low DF electrolytic capacitors, the Motion 4 speakers delivers clear, highly dynamic and precise sound.
Sexy Curves The elegant yet understated styling such as flawless high-gloss, piano black finishes and subtle curves, along with the signature perforated grille, gives Motion Series speakers an elegant and timeless look. The curves also allow Motion compact bookshelves to mount at two different angles with the included wall bracket (or with aftermarket using 1/4 x 20" threaded insert), so you can point sound directly toward the desired listening area for high or low wall mounting applications.
Bookshelf or on-wall installation Besides bookshelf placement, the Motion 4 speakers can be mounted at ear level or near the ceiling with an easy-to-use wall mount bracket (included) to meet your variable listening requirements.
Effortless Connection Convenient push-style binding posts and curved inserts help guide speaker wire effortlessly into place. The rubber end caps on the terminal are also removable for the use of banana plugs instead of bare wire.
Warranty, Returns, And Additional Information
- Limited Warranty period (parts): 3 years
- Limited Warranty period (labor): 3 years
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