MartinLogan ElectroMotion® C2

Center channel speaker

Item #: 839EMC2

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Hear sparkling-clear dialogue and sound effects

You can count on the powerful ElectroMotion C2 to deliver clear, accurate movie dialogue and robust sound effects for an unforgettable home theater experience. This speaker takes advantage of one of MartinLogan's most advanced technologies, the Folded Motion™ XT tweeter, to create detailed, dynamic center channel sound that puts you right in the middle of the on-screen action. This speaker's low distortion and uniform sound dispersion make it a perfect center channel partner to MartinLogan's ElectroMotion ESL floor-standing speakers.


MartinLogan Motion C2 center channel speaker

Folded Motion XT tweeter for detailed sound

MartinLogan's innovative Folded Motion XT tweeter uses a pleated diaphragm that works similarly to an accordion by "squeezing" air to create sound. Because it requires almost 90% less excursion than the typical 1" dome tweeter, response time is drastically reduced along with distortion. The diaphragm's increased surface area also provides wide, yet controlled sound dispersion to create a realistic and highly accurate soundstage. And this tweeter boasts a 40% larger radiating surface area than found in MartinLogan's Motion® series models for even greater bandwidth and efficiency.

Don't forget the bass

The EM-C2 uses dual 5-1/4" high-excursion cone woofers to supply tight, articulate bass that blends in seamlessly with the Folded Motion XT tweeter. An advanced, audiophile-grade crossover further ensures precise driver integration for high-accuracy sound.

Angled cabinet design

This center channel speaker is sized perfectly to fit inside of any standard audio-video cabinet, but no matter where you place it, you can direct the sound toward your ears. Place it beneath your TV firing up toward your listening position, or mount it high and flip the cabinet upside down to aim sound down into the room.

Product Highlights:

  • Folded Motion™ XT tweeter for high output levels and low distortion
  • two 5-1/4" high-excursion, doped fiber-cone woofers with cast-aluminum baskets for dynamic bass
  • bass-reflex (ported) enclosure
  • wedge-shaped cabinet allows high frequencies to be directed up or down for versatile placement options
  • high-precision audiophile-grade crossover network
  • frequency response: 55-25,000 Hz (±3dB)
  • sensitivity: 94 dB
  • impedance: 4 ohms
  • recommended amplifier power: 20-250 watts
  • spring post speaker terminals accept bare wire, pins, and banana plugs
  • 18-15/16"W x 6-7/16"H x 14-5/16"D
  • weight: 24.5 lbs.
  • warranty: 5 years (with product registration)
  • Our 60-day money-back guarantee

Your home theater's most important speaker

The center channel speaker is the workhorse in a home theater system. It has to reproduce clear dialogue and special effects that keep your eyes and ears glued to the movie action. A high-quality center speaker is a great investment for any surround sound setup. Try to choose one that's as closely matched as possible to your front right and left speakers, so that as sound moves across the front stage, it stays seamlessly realistic.

Hands-on research

What's in the box?

  • Center-channel loudspeaker
  • Grille
  • User's Manual (En/Fr)
  • Product Registration Card

Features and Specs

Enclosure Bass Reflex
Tweeter Folded Motion Transducer
Midrange size (inches) N/A
Woofer size (inches) 5-1/4
Connector Type Spring post
Power Range 20-250
Sensitivity 94 dB
Impedance (Ohms) 4
Frequency Response 55-25k Hz
Height (inches) 6-7/16
Width (inches) 18-15/16
Depth (inches) 14-5/16
Weight 24.5 lbs
Parts Warranty 5 Yrs w/ Registration
Labor Warranty 5 Yrs w/ Registration

Product Research

Features

MartinLogan's ElectroMotion Series Center-Channel Loudspeaker: The MartinLogan ElectroMotion C2 center channel provides a detailed, articulate, and authoritative center channel audio presence to your home theater. The ElectroMotion C2's perfectly balanced dual 5.25" high-excursion, doped fiber-cone woofers are seamlessly blended with the Folded Motion XT tweeter with a high-precision, advanced topology audiophile-grade crossover network. Designed for both two-channel music and multichannel movie enthusiasts, ElectroMotion Series speakers are voice and timbre matched with one another as well as the rest of the MartinLogan line-up.

Folded Motion XT Tweeter: MartinLogan's 1.27" x 2.4" Folded Motion XT tweeter boasts a radiating surface 40% larger than those found in their Motion Series loudspeakers. This substantial leap in size increases the bandwidth and efficiency of the high-performance tweeter for effortless center channel performance. The MartinLogan Folded Motion XT Tweeter helps give the ElectroMotion C2 its natural, realistic high frequency sound. Lightning fast transient response, combined with its large surface area creates clear, dynamic, and precise sound. The Folded Motion XT 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 less excursion than a typical tweeter, which drastically minimizes distortion while providing a lightning fast response time. The increased surface area also provides a wide, yet controlled sound dispersion of 80° (h) x30° (v) to create a realistic and carefully etched sound stage.

Dual Doped-Fiber Woofers w/ Rear-Firing Port: Two 5.25" doped-fiber cone woofers with a cast-aluminum basket housed in a non-resonant asymmetrical chamber flank the EM-C2 center channel speaker's Folded Motion XT tweeter. The doped-fiber cone woofers use a rigid structured dust cap and butyl rubber surround to reduce cone break-up and distortion. The two 5.2.5" woofers are paired with a rear-firing bass port to deliver higher output and audibly richer, deeper bass performance.

Precision Crossover: To seamlessly blend the audio output from the high frequency driver (tweeter) and the two midbass drivers (woofer), the EM-C2 loudspeaker features a precision crossover utilizing custom air core coil and low DCR steel laminate inductors, polyester film capacitors in series, and low DF electrolytic capacitors in parallel.

Spring-Post Connectors: The MartinLogan ElectroMotion C2 speaker features two spring-post connectors to attach your speaker wire. The spring-posts will accept bare wire (16- to 10-gauge), pin-connectors, and banana plugs (single only). The rubber caps on the spring-post connectors must be removed to use banana plugs.

Wedge-Shaped Design: The EM-C2 is sized perfectly to fit inside of many standard audio/video cabinets, but no matter where you place it, you'll get sound directed up toward your ears, thanks to a dense wedge-shaped enclosure. Mount it high and flip the cabinet upside down to aim sound down into the room. The MartinLogan logo badge on the ElectroMotion C2's grille can be re-positioned based on how you have the speaker mounted. The MartinLogan EM-C2 should be centered below or above your television on flat-surface; such as a table-top, stand, cabinet, or shelf.

Break-in Period: Allow approximately 72 hours of break-in at 90 dB (moderate listening levels) before any critical listening.

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