Motion Foundation B2
A New Standard in Affordable Performance
The largest Motion Foundation bookshelf speaker serves up impressive detail and scale completely unexpected in its class.
The versatility and relatively compact size of bookshelf speakers have long made them a popular choice. Those looking for a fuller sound stand or shelf mounted solution would be hard pressed to find a better value than the Foundation B2. Its 6.5” aluminium midbass driver offers impressive bass while the Gen2 Obsidian Folded Motion Tweeter S works within the Folded Motion Waveguide to blanket your listening area with beautiful sound. Foundation B2 is also fully compatible with STAND25 to create a solid stand mount solution.
The MartinLogan Foundation Story
MartinLogan Foundation Series products redefine affordability by incorporating many of MartinLogan's renowned high-performance technologies at accessible prices.
Leveraging 40 years of design and engineering prowess and offering MartinLogan’s renowned thin-film performance, Motion® Foundation is a gateway into the world of true hi-fi sound. With a choice of 5 different models in 3 different finishes, Motion® Foundation speakers are an ideal foundation for building a high performance Stereo or Surround sound system. Bringing high end performance to a wider audience, Motion® Foundation offers incredible immersion for all your favourite content.
Legendary MartinLogan Sound
MartinLogan speakers are known for their exceptional articulation, detail and realism, regardless of the listening environment. By using advanced thin-film technologies and Controlled Dispersion, MartinLogan delivers a unique and unparalleled listening experience that is not commonly found in other speakers.
Gen2 Obsidian Folded Motion Tweeter S
The Gen2 FMT S offers effortless performance, unmatched by conventional technologies. By folding thin film material, MartinLogan is able to pack more surface area into a small space. Large surface area, light weight and low excursion means an incredibly fast and responsive tweeter capable of reproducing the most nuanced content with stunning detail and clarity.
Folded Motion® Waveguide
Enhances the Controlled Dispersion of the tweeter, blanketing the listening area with incredible detail and precision. Avoids performance robbing room reflections and provides a more consistent sound across a wider seating area.
Aluminium Midrange & Bass Drivers
Using trickle down technology from MartinLogan’s own Motion XT and Motion Series, the B2 uses the exceptional properties of Aluminium to maximise clarity, detail, and output from the midrange and bass drivers.
Modern Design Featuring Timeless Finishes
Motion® Foundation® models are available in 3 timeless finishes to compliment any decor: Walnut with Bronze trim, Black with Gunmetal trim, or Satin White with Silver trim.
| Specifications | |
| Frequency Response | 42 Hz - 23 kHz ± 3 dB |
| Tweeter Dispersion (Horizontal x Vertical) | 90° x 90° |
| Recommended Amplifier Power | 15 - 100 watts |
| Sensitivity | 90 dB |
| Impedance | 5 ohms |
| High Frequency Driver | 0.94” x 1” (2.4 x 2.5 cm) Gen2 Folded Motion® Tweeter S with 3.5 in2 (22.6 cm2) diaphragm. |
| Mid-Frequency Driver | 6.5” (16.5 cm) aluminium cone with cast aluminium basket. Non-resonant sealed chamber format. Unibody cone construction. |
| Crossover Frequency | 3,800 Hz (2-way) |
| Cabinet | Rear ported |
| Binding Post Inputs | 5-way binding posts (non bi-wire) |
| Weight | 15 lb (6.8 kg) |
| Dimensions (H x W x D with Feet) | 15” x 7-3/4” x 11-1/2" (38.1 cm x 19.7 cm x 29.2 cm) |
| Finish | Black, Walnut, and Satin White |
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