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MK Sound S150 Home Theater Front Speaker

$1,799.00
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MK Sound yields a very smooth response time over a wide area or listening window which is very important for a home theater room. It also provides a very coherent, true and real sound from a variety of distances.

This is THE loudspeaker that helped shape Home Theater (and music recording) into what it is today……the legendary and accredited S-150. For the first time since its introduction nearly 15 years ago, the S-150 has been updated in every aspect, from driver technologies to crossover design to cabinet tuning and construction. The result is the new S-150MKII THX Ultra2.

Superior quality. Futuristic performance.

The first true update to the classic M&K S150 speaker, the new Miller & Kreisel S150 redefines sound quality and performance. The S150 is still the speaker to beat when it comes to reference monitors for professional cinema sound design or stereo recording. The new Miller & Kreisel S150 builds upon that impressive legacy by updating the design with new acoustic technology refinements.

It’s hard to beat perfection. That’s why we’ve strived to perfect it. We’ve taken the innovative high-performance technologies from the S300 and integrated them into the new Miller & Kreisel S150. These upgrades bring the Miller & Kreisel S150 into the future and deliver new levels of sound quality to the most demanding customers in the world.

No coloration or hyped frequencies. What you hear is what you get. The Miller & Kreisel S150 redefines what perfection is while providing a clearer sense of presence. They deliver an impressively transparent soundstage that maintains the three-dimensionality, body, weight and emotional impact, making them an ideal choice for home theater installations.

Built on the S300

  • Created using the technologies, innovations and learnings from the newly redesigned S300.
  • Selected components derived from 300 series.

New Danish-designed high-performance tweeters

  • 28 mm vented voice coils provide high power handling and extended linearity
  • 28 mm high-precision coated soft dome.
  • One-piece heavy duty cast aluminum Triple Tweeter Array plate.
  • Specially constructed resonance-damped tweeter magnet-system for precise transient control.
  • Integrated waveguide combined with short horn load for wide dispersion and smooth frequency response

New 5.25-inch woofers

  • Aluminum distortion-killer rings for reduced distortion at high SPL levels
  • New extra-stiff coated fiberglass cone with special M&K profile geometry.
  • Vented pole piece in magnet system for low compression performance.
  • Vented voice coil for low compression.

New optimized crossovers

  • Phase-focused crossover designs optimized for low crossover points and transient control
  • New proprietary M&K Sound interconnect cables.

Bass Power and midrange finesse

The exclusive, custom designed MK Sound 5.25” bass/midrange drive unit represents the culmination of over three decades of intensely focused transducer design. While most loudspeaker manufacturers make specious boasts that their drivers are “heavily modified to their specifications,” the drivers used in the MK Sound 150 range are in fact designed in-house by full-time engineers that have been instrumental in the design of MK Sound transducers for more than two decades.

Because MK Sound alone dictates the specifications for our drive units down to the very last detail, based on extensive original experimentation and research, our loudspeakers are not subject to the changing whims and fads of standard off-the-shelf drive units.

MK Sound proudly works to a higher, stricter standard, implementing meaningful changes as technology advances.

The dual 5.25” 150 woofer configuration employs a pin-cushion basket design with narrow basket flange to permit close placement of two woofers on a compact baffle. Modest baffle dimensions ensure structural integrity, while eliminating destructive diffraction phenomena.

A completely open cast aluminum basket structure with four solid pillars allows unimpeded airflow on both sides of the cone and around all moving parts for immediate heat dissipation. Unlike conventional baskets designed with a plateau for spider mounting, the MK design team opted for a cup spider design, ensuring absolutely free airflow.

The development of cone and surround, crucial components with major impact on ultimate sound quality, was a collaborative effort with Peerless, leading Danish transducer specialists intimately familiar with MK Sound’s design objectives after decades as supplier and partner.

Working closely, MK Sound and the Peerless transducer team (Among the world’s foremost transducer designers, Peerless was founded in Denmark in 1926.) developed a breakthrough cone geometry, optimized to work in combination with a unique polypropylene based diaphragm material. The Polypropylene base, infused with 20% carefully selected minerals, provides a perfect balance between cone stiffness and internal damping.

The woofer’s low reflectivity cone is the result of a carefully calibrated combination of materials and geometry with a low-loss SBR rubber surround and edge resonance stabilizer.

Working closely, MK Sound and the Peerless transducer team (Among the world’s foremost transducer designers, Peerless was founded in Denmark in 1926.) developed a breakthrough cone geometry, optimized to work in combination with a unique polypropylene based diaphragm material. The Polypropylene base, infused with 20% carefully selected minerals, provides a perfect balance between cone stiffness and internal damping.

The woofer’s low reflectivity cone is the result of a carefully calibrated combination of materials and geometry with a low-loss SBR rubber surround and edge resonance stabilizer.

MK Sound 2.25-inch bass/midrange drive unit diagram

The cone geometry follows a straight line for the surface area beyond the dust cap with a small radius shape under the dust cap. As the earliest cone break-up modes generally occur close to the voice coil, the advanced mathematics underlying the cone geometry provides substantial attenuation of traveling waves well before they reach the edge of the cone, resulting in significantly reduced edge resonances.

The unstrained clarity and sonic purity that have been the hallmark of the MK Sound 150 range from the very beginning are in large part a direct result of this conscientious, innovative design work.

The MK woofer features a thermally stable voice coil wound on an aluminum former. The former ensures linear damping for strict system control even at high sound pressure levels.

The thermally stable voice coil, capable of operating at up to 250 degrees Celsius, is symmetrically mounted in a strontium ferrite magnet system to function as an overhung coil in the gap, for reliable, consistent handling of powerful transients and sustained high output. Unlike most magnetic materials that lose power at temperature extremes, the MK Strontium magnet retains full power across a broad temperature spectrum.

The magnet system generates a linear magnetic field across the full coil length even at maximum excursion (+/- 3.5 mm), for minimal distortion all the way up to the driver’s maximum output levels.

A shielding magnet and can are added to minimize stray field emissions and to focus additional flux in the gap. These uncompromising methods ensure that the driver continues to meet its strict performance requirements for years to come.

With a mere 8.5 gram of moving mass, the MK Sound bass/mid unit is capable of lightning fast, accurate response across its entire operating range with a firm grip even on the most complicated program material.

It is this extreme level of precision and effortless, natural sound reproduction that continues to make the MK Sound 150 range the choice of professionals and enthusiasts.

The MK Sound S150 is available in black satin finish with black cloth grille.

S150 is the loudspeaker chosen by:

  • 20th Century Fox
  • Dolby Laboratories
  • DreamWorks SKG
  • DTS
  • HBO Productions
  • Lucasfilm LTD
  • Paramount Studios
  • Skywalker Sound
  • Sony Music & Pictures
  • Universal Studios
  • Walt Disney Studios
  • Warner Brothers Studios
Manuals and Guides
pdf
(Size: 6.4 MB)
MK Sound Product Brochure
pdf
(Size: 622.1 KB)
MK Sound Speaker Technology Handbook

Specifications

Impedance
4 Ohms
Recommended Amplifier Power
25-500W
Bass/Midrange
2 x 5.25" Fiberglass
High Frequency Driver
3 x 1.1" Soft Fabric Dome
Frequency Response
75 Hz - 20 kHz ±3dB
Sensitivity
92 dB, 2.83V1m

Physical

Color
Black Satin
Dimensions
12.5" H x 10.4" W x 12.2" D (31.8cm x 26.6cm x 30.8cm)
Weight
25.4 lbs (11.5kg)
MK Sound S150 dimensions

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