MartinLogan Motion Foundation B1 Bookshelf Speaker - pair
Small in size but not sound, the most compact Motion Foundation model offers unheard of performance from such a versatile size.
The Gen2 Obsidian Folded Motion Tweeter S, Folded Motion Waveguide, and 5.5 aluminum midbass driver work together here to create a completely unexpected and engaging experience from a compact footprint. Foundation B1 is ideal for small spaces, especially when combined with a subwoofer, to create a highly musical, detailed experience wherever high quality sound is desired. Foundation B1 is also threaded to work with our STAND25 to create a stable stand mount solution.
Legendary MartinLogan SoundMartinLogan 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 SThe 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 MotionWaveguideEnhances 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 DriverUsing trickle down technology from MartinLogans own Motion XT and Motion Series, the B1 uses the exceptional properties of Aluminum to maximize clarity, detail, and output from the mid-bass driver. |
Specifications
Specifications are subject to change without notice
Frequency Response | 48 Hz - 23 kHz 3 dB |
Tweeter Dispersion (horizontal x vertical) | 90 x 90 |
Recommended Amplifier Power | 15 - 100 watts |
Sensitivity | 89 dB |
Impedance | 5 ohms |
High Frequency Driver | 0.94 x 1 (2.4 x 2.5cm) Gen2 Folded Motion Tweeter S with 3.5 in2 (22.6 cm2) diaphragm. |
Crossover Frequency | 3,400 Hz (2-way) |
Mid-Frequency Drivers | 5.5 (14cm) aluminum cone with stamped steel basket. Non-resonant asymmetrical chamber format. Unibody cone construction. |
Cabinet | Rear Ported |
Binding Post Inputs | 5-way Binding Posts (Non Bi-Wire) |
Weight | 11.5lbs / 5.2kg |
Dimensions (H x W x D) | 13-11/16 x 7-1/4 x 9-1/2 |
Finish | Black, Walnut, and Satin White |
