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MartinLogan Motion 30i Center Channel Speaker (Gloss Black)

$599.98

Free Lifetime Technical Assistance
SKU: Motion 30i Gloss Black

Description

Center channel speaker featuring a Folded Motion® tweeter
and dual 5.5-inch aluminum cone woofers with a rear-firing bass port. Available
in three stylish finishes: gloss black, matte white, and red walnut.

Motion 30i Center Channel Speaker

Smaller multi-channel audio systems will benefit from the
significant dynamic impact and detailed imaging revealed by a Folded Motion®
tweeter and dual, rear-vented 5.5-inch aluminum cone woofers, and a proprietary
Vojtko crossover network. Motion 30i delivers the classic broad soundstage of
the Motion Series from a newly designed enclosure enhanced by the slightest of
modifications, including the drive-stabilizing dust cap design and stiffened
motor suspension. The speaker’s cabinet sports a reinforced baffle and a fabric
grille. Available in three stylish finishes: gloss black, matte white, and red
walnut.

Engineering, Without Compromises

What makes the Motion Series sound so amazing? MartinLogan’s
dedicated in-house engineering and design team started by utilizing and
refining the most advanced, compact technologies and combining them with
innovative engineering and time-honored cabinet construction techniques. The
result is an emotionally engaging sound that rivals (and most times trounces)
traditional loudspeakers of similar size and price. Our ‘no compromise’
philosophy gives Motion Series a unique sound you won’t find anywhere else.

Sound Inspired by Electrostatic Speakers

The success of the Motion Series is directly attributed to
its close relation to MartinLogan’s legendary ultra-high-end electrostatic
loudspeakers. The desire to transmute that level of performance into a more
traditional loudspeaker at a more affordable price drove the initial design
imperatives that created the Motion Series.

Folded Motion® Tweeters

MartinLogan’s signature Folded Motion tweeter utilizes an
extremely low mass diaphragm that “squeezes” air, thus demanding
significantly less excursion than the typical 1-inch dome tweeter. Its folded
design allows for a much larger surface area (compared to that of a regular
1-inch dome tweeter), controlled dispersion characteristics, and vanishingly
low distortion. It’s a miracle of audio engineering that’s able to deliver much
of the high-frequency detail and speed of a large, dynamic electrostatic panel
in a small space.

Powerful Aluminum Cone Mid-Frequency and Bass Drivers

Custom built, low-distortion drivers pair high-power magnet
structures with aluminum cone diaphragms to deliver massive excursion and sound
output, preserve minute bass details, and maximize power handling capability,
all without a hint of distortion. A unique concave dust cap design reinforces
the strength and rigidity of the cone while reducing break up modes.

The use of aluminum for cones maximizes rigidity and strength
of the drivers without adding excessive weight. This, along with the
exceptional damping properties of aluminum, ensures the smooth, non-resonant
response necessary for seamless blending with high-resolution Folded Motion
tweeters. An added benefit of aluminum is its outstanding thermal conduction
capability which allows cones to serve as efficient heat sinks for voice coils.

To deliver accuracy in the critical midrange, mid-frequency
drivers feature a specially engineered “stiff” suspension. Stiffening
the suspension (the spider and surround) raises the driver’s resonant frequency
and optimizes its performance to achieve a natural roll-off and inherently
operate within an ideal range for a mid-frequency reproduction (as opposed to a
comparably sized woofer).

Proprietary Vojtko Crossover Networks

Premium Motion Series speakers feature proprietary Vojtko
crossover networks using polypropylene and low-DF electrolytic capacitors,
custom-wound inductors, and thermal and current protection.

Vojtko crossovers are named after MartinLogan’s chief audio
technologist, Joe Vojtko. His unique approach to crossover design is as big of
a part of the “MartinLogan Sound” as are electrostatic and Folded
Motion thin-film driver technologies. A Vojtko crossover isn’t so much a set of
design requirements as it is a philosophy. Vojtko crossovers are designed in
such a way that all drivers are kept within their optimal frequency range and
balanced with one another. The drivers themselves are as much a part of a
Vojtko crossover as are capacitors and resistors. Before the design of any
crossover begins, drivers are carefully selected or designed to operate within
a very intentional frequency range and with precise and predictable performance
parameters. Vojtko crossovers are always built from high-quality parts, and
care is taken to avoid overly complex topologies—a straightforward objective
due to the careful selection of woofers and tweeters. The final (and most
critical) aspect of a Vojtko Crossover is that final voicing is conducted in a
space that is indicative of a real-world environment. This pragmatic approach
allows MartinLogan speakers to sound their best in real-world rooms.

Modern Design Featuring Luxurious Finishes

Discreetly hidden behind fabric wrapped magnetic grilles,
Folded Motion and aluminum cone drivers are held securely in place beneath
matte black trim that masks tweeter and woofer mounting hardware for a clean,
modern aesthetic. Solid cabinets, designed to eliminate fidelity robbing
vibrations, are constructed from 18mm (0.7-inch) MDF with 31mm (1.2-inch) thick
front baffles. Motion 60XTi and 50XTi feature additional internal bracing to
further reduce cabinet resonance.

MartinLogan’s premier Motion Series speakers are available
in three luxurious finishes and matching metallic trim—gloss black with black
grilles and gunmetal grey trim, matte white with silver grilles and silver
trim, and red walnut with black grilles and champagne colored trim.

Custom 5-Way Tool-less Binding Posts

Premium gold-plated 5-way tool-less binding posts assure a
stable connection while accommodating bare wire, banana plug, spade lug,
terminal pin, and (seldom used) alligator clip connections.

Specifications

Specifications are subject to change without notice

Frequency Response

65–25,000 Hz ±3dB

Recommended Amplifier Power

20—200 watts per channel

Horizontal Dispersion

80°

Vertical Dispersion

80°

Sensitivity

91 dB/2.83 volts/meter

Impedance

4 Ohms Compatible with 4, 6, or 8 Ohm rated amplifiers.

Crossover Frequency

400 & 2,600 Hz

High Frequency Transducer

1″ × 1.4″ (2.6cm × 3.6cm) Folded Motion
Transducer with 5.25″ × 1.75″ (13.3cm × 4.4cm) diaphragm

Low Frequency Transducer

Two 5.5” (14cm) aluminum cone with cast polymer basket.
Non-resonant asymmetrical chamber format. Rigid structured dust cap to reduce
cone break-up modes.

Components

Custom air core coil and low DCR steel laminate inductors.
Polyester film capacitors in series and low DF electrolytic capacitors in
parallel. Overall system thermal/current protection.

Inputs

Custom 5-way tool-less binding posts

Weight

18 lbs. (8.2 kg)

Dimensions

6.9″ x 16.5″ x 10.5 “

(17.5cm x 42cm x 26.6cm)

Additional information

Weight 0.00000000 lbs

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