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Motion 15i

Bookshelf speaker featuring a Folded Motion® tweeter and 5.25-inch aluminum cone woofer with a rear-firing bass port. Available in three stylish finishes: gloss black, matte white, and red walnut.


424,99 USD 318,74 USD ogni
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Price: 424,99 USD 318,74 USD

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Motion 15i Bookshelf Speakers

The high-performance Motion 15i bookshelf speaker features a Folded Motion® tweeter, a 5.25-inch aluminum cone woofer with a rear-firing bass port, and a proprietary Vojtko crossover network to deliver refined sound with stunning dynamic range and jaw-dropping clarity. Motion 15i 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. Folded Motion XT tweeters, advanced thin-film transducer technology even further, with a 40% larger radiating surface and 80x30-degree controlled dispersion. This tweak increases audible bandwidth without sacrificing details and minimizes distortion to an unprecedented level while increasing efficiency and the tweeter's already lightning-fast response time. The result—superior realism and alarming specificity is aurally astounding, and only by MartinLogan.

 

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.

stampa

Martin Logan Motion 15i Speakers Review

"The Audiophile Man reviews Motion 15i on YouTube."

—Paul Rigby, The Audiophile Man
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Motion 15i Speakers from MartinLogan

"The detail and clarity allowed a bucket load of information to reach the ear with no effort at all while bass precision and power was retained.  Offering a neutral presentation, the Martin Logan 15i speakers will provide an ideal fit for any musical genre and any hifi chain."

—Paul Rigby, The Audiophile Man
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MartinLogan Motion 20i, 15i, and 30i Speakers Reviewed

"The AMT tweeter MartinLogan utilizes is another huge plus. It sounds immensely smooth, natural, and articulate. The other drivers contribute to what would have to be described as a warm tonal balance overall. I found it easy to listen to these speakers for hours on end without a hint of listener fatigue."

—Dylan Seeger, HomeTheaterReview.com
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MartinLogan Motion 15i Review

"These are great sounding, versatile loudspeakers with real character."

—What Hi-Fi?, What Hi-Fi?
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MartinLogan Motion 40i Theater System Review

"What you get is a serious value for your money. Beautiful, thoughtfully designed speakers with a sound that begs you to plant yourself on the couch and watch movies for hours on end. And that might be the only negative point, you might need to budget in the additional cost of a personal trainer, to get your ass off the couch."

—Taps Das, Secrets of Home Theater and High Fidelity
Leggi la recensione completa»


specificazioni

Le specifiche sono soggette a modifiche senza preavviso

Risposta in frequenza

60–25.000 Hz ± 3dB

Potenza amplificatore consigliata

20-200 watt per canale

Dispersione orizzontale

80 °

Dispersione verticale

80 °

sensibilità

92 dB / 2,83 volt / metro

Impedenza

5 Ohm Compatibile con amplificatori da 4, 6 o 8 Ohm.

Frequenza di crossover

2.700 Hz

Trasduttore ad alta frequenza

Trasduttore di movimento piegato 1 "× 1,4" (2,6 cm × 3,6 cm) con diaframma da 5,25 "× 1,75" (13,3 cm × 4,4 cm)

Trasduttore a bassa frequenza

Cono in alluminio da 5,25 "(13,3 cm) con cestino in fusione. Formato camera asimmetrica non risonante. Coperchio antipolvere strutturato rigido per ridurre le modalità di rottura del cono.

componenti

Bobina con nucleo ad aria personalizzata e induttori laminati in acciaio DCR basso. Condensatori a film di polipropilene in serie e condensatori elettrolitici a basso DF in parallelo. Protezione termica / corrente globale del sistema.

ingressi

Pali di rilegatura personalizzati senza strumenti a 5 vie

Peso

12 libbre. (5,4 kg)

Dimensioni

11,4 "x 6,8" x 9,5 "

(29 cm x 17,3 cm x 24 cm)

  • Gloss Black

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