MartinLogan MC4

In-Ceiling Speaker

Item #ML:MC4-EA
MartinLogan Item # MC4

MartinLogan MC4

In-Ceiling Speaker

$349.99
/EACH
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Overview
The most compact in-ceiling speaker in the MartinLogan Motion series; the MC4 is also one of the most versatile. The stunning clarity of its Folded Motion Tweeter paired with a lightweight woven fiberglass woofer all wrapped 
up in a built-in enclosure means you get incredible, and predictable sound exactly where you want it. Perfectly 
suited for a whole house music system, a dedicated home theater or even as a low-profile height effect channel, 
the MC4 is a fantastic all-around performer.

The Sound of Invisibility: Folded Motion® Tweeters

MartinLogan's signature Folded Motion Tweeter utilizes an extremely low-mass diaphragm that "squeezes" air, thus requiring 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 delivers much of the high-frequency detail, speed and response of a large, dynamic electrostatic panel in a small space. This thin-film transducer design packs all the accuracy and delicacy of an electrostatic panel into a small space. Folding the dramatically lightweight film into an accordion-like structure increases the surface area, giving Folded Motion tweeters eight to ten times greater surface area than typical tweeters. This ideal combination of light and large produces superior accuracy, extended frequency bandwidth and higher output capability; all with a faster, more efficient transient response, and virtually zero distortion. In these characteristics, the Folded Motion Tweeter design can mimic the performance of a large electrostatic panel in the confines of a more traditional loudspeaker enclosure.

Woven Fiberglass Cones

All Motion CI speakers feature lightweight woven fiberglass cones specifically engineered for their application to blend seamlessly with the lightning speed of our signature Folded Motion Tweeter. No matter which Motion CI speaker you choose for your room, rest assured they are designed to provide a consistently high level of performance and can easily be used with other MartinLogan speakers to make creating the perfect system for your unique listening space that much easier.

Spring-Loaded Binding Posts

With easy pre-installation access, our spring-loaded binding posts feature a large 4.5mm wire access hole and connect via banana plug, pin, or 12AWG bare wire.

Micro-Perforated Grilles

MC4 features an ultra-low profile, paintable, micro-perforated grilles with no visible bezel for a near-invisible integration into any wall or ceiling. A series of powerful magnets hidden inside the speaker quickly secure grilles into place, reducing the risk of warping or damage during installation. Optional square grilles are available for the MC4.

Proprietary Vojtko™ Crossover Networks

Vojtko Crossovers are named after MartinLogan's chief audio technologist, 
Joe Vojtko. His unique approach to crossover design is just as crucial to MartinLogan's Truth in Sound as are our innovative electrostatic and Folded Motion thin-film driver technologies. A Vojtko Crossover isn't just a set of design requirements; it's a philosophy. Vojtko Crossovers are hand-built from the highest quality components and avoid overly complex topologies. This crossover has a straightforward objective: breathtaking realism.

Hand-Selected Components

In designing each crossover topology, MartinLogan takes the drivers themselves into consideration. Carefully selected drivers, engineered for specific performance characteristics, are kept within their optimal frequency range by the custom Vojtko Crossover. Each crossover is handcrafted using exceptional polypropylene and polyester capacitors, custom wound and large steel laminate low-DCR inductors, and double thick PCBs. This precision-tuned network preserves even the most microscopic sonic nuances while handling the full dynamics of any source. It's a recipe for vanishingly low distortion and seamless driver integration. The most critical aspect of a Vojtko Crossover design is the final voicing, always conducted in a real-world environment. This uniquely pragmatic approach guarantees that even the most amazing MartinLogan loudspeakers deliver Truth in Sound in any room, including yours.

Built In Enclosure

All Motion CI in-ceiling speakers have the option for a retrofittable back can or enclosure. This helps contain the sound coming off the back of the speaker to dramatically reduce unwanted sound that can travel through the floor and up into the living space above the speaker. The MC4 has this enclosure integrated into its design making it easy to add incredible sound to a room without disturbing those above it.

Details & Specs
  • Frequency Response: 90 - 25,000 Hz ±3dB
  • Aiming: N/A
  • Sensitivity: 90dB @2.83V/ 1 meter
  • Impedance: Compatible with 8 ohms
  • Crossover Frequency: 2,230 Hz
  • High Frequency Driver: FMT Transducer 1” x 1.4” (2.6cm x 3.6cm) Opening 5.25” x 1.75” (13.3cm x 4.4cm) Diaphragm
  • Low-Frequency Driver: 4” (10.16cm) black fiberglass cone
  • Suitable Amplifier Range: 50–120 Watts
  • Max Power Handling: 60 Watts
  • Binding Post Inputs: Push style accommodates wire up to 12AWG
  • Weight: 2.02 lbs. (0.9 kg) each
  • Dimensions: (overall size) 5.63” x 5.65” (14.3cm x 14.3cm)
  • Required Wall Opening: (includes tolerance) 4.89” (12.41cm) diameter
  • Projection From Wall Surface: 0.26” (0.65cm)
  • Depth Behind Wall Surface: 5.50” (13.9cm)
More Information
UPC 810123025558
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