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Martin Logan Motion 20i Speakers

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Product Details:

The Martin Logan Motion 20i Speakers offer the following features.

Motion 20i Floorstanding Speakers

A compact floorstanding loudspeaker with a performance that is anything but small, the new Motion 20i features a Folded

Motion® tweeter, dual 5.5-inch aluminum cone woofers with a rear-firing bass port, and a proprietary Vojtko crossover

network. Motion 20i 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, stiffened motor suspension, and low-mounted

woofers to reduce an acoustically harmful phenomenon known as floor bounce. The speaker’s enclosure sports a reinforced

baffle and a fabric grille. Available in three stylish finishes: gloss black, matte white, and red walnut.

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).

Low-Mounted Woofers Minimize Floor Bounce

Floorstanding Motion models utilize 2.5-way designs that feature woofers positioned low in the cabinet and close to the floor.

This deliberate design addresses a phenomenon known as floor bounce where sound reflected off the floor (from drivers

positioned high on a cabinet), and those aimed directly at the listener interfere with each other. Without addressing these

issues, listeners would experience bloated bass and massive increases and decreases in sound levels throughout critical

midrange frequencies. Through careful crossover design and driver positioning, floorstanding Motion speakers deliver a flat,

balanced response through the bass and midrange regions. Such considerations are crucial when seeking to achieve accurate

reproduction of vocals and instruments such as kick drums.

SPECIFICATIONS:

Frequency Response: 46–25,000 Hz ±3dB

Recommended Amplifier Power: 20—200 watts per channel

Horizontal Dispersion: 80°

Vertical Dispersion: 80°

Sensitivity: 90 db/2.83 volts/meter

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

Crossover Frequency: 500 & 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 woofers in a non-resonant asymmetrical chamber format. Cast polymer basket. Rigid

structured dust caps reduce cone break-up.

Components:

Precision Vojtko™ with custom air core coil and low DCR steel laminate inductors. Polyester film capacitors in series and low DF

electrolytic capacitors in parallel

Inputs: Custom 5-way bi-wire tool-less binding posts

Weight: 37 lbs. (16.8 kg)

Dimensions: 36.6" x 6.8" x 11.7 ", (92.9cm x 17.3cm x 29.7cm)

Specifications are subject to change without notice.

Price: $3,399.00 Please call for discounted pricing and available colours on 02 9651 4922.