Martin Logan Motion Foundation B2
Martin Logan Motion Foundation B2 Bookshelf Speaker
- Gen2 Obsidian Folded Motion® Tweeter S with waveguide delivers ultra-fast, low distortion highs and wide 90°×90° dispersion
- 6.5″ aluminum mid-bass driver, derived from MartinLogan's higher-end Motion XT series, ensures clear, punchy midrange and bass
- Bass-reflex (rear-ported) cabinet extends bass response naturally down to 42 Hz (±3 dB)
- Controlled dispersion via folded waveguide ensures consistent sound quality off-axis, minimizing room reflections
- McCracken–Vojtko crossover network with premium components for smooth driver integration and high fidelity
- High sensitivity (90 dB) and nominal 5 Ω impedance, designed for 15–100 W amplifiers
42 Hz - 23 kHz ± 3 dB
90° x 90°
15 - 100 watts
90 dB
5 ohms
0.94” x 1” (2.4 x 2.5cm) Gen2 Folded Motion® Tweeter S with 3.5 in2 (22.6 cm2) diaphragm.
3,800 Hz (2-way)
6.5” (16.5cm) aluminum cone with cast aluminum basket. Non-resonant sealed chamber format. Unibody cone construction.
Rear Ported
5-way Binding Posts (Non Bi-Wire)
15lbs / 6.8kg
15” x 7-3/4” x 11-1/2”
38.1cm x 19.7cm x 29.2cm
Black, Walnut, and Satin White
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.
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.
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.
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.
Aluminum Mid-Bass Driver
Using trickle down technology from MartinLogan’s own Motion XT and Motion Series, the B2 uses the exceptional properties of Aluminum to maximize clarity, detail, and output from the mid-bass driver.
Aluminum Mid-Bass Driver
Using trickle down technology from MartinLogan’s own Motion XT and Motion Series, the B2 uses the exceptional properties of Aluminum to maximize clarity, detail, and output from the mid-bass driver.
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.
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.
