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The Foundation F1 is perfect for those desiring the performance of a floorstanding speaker but would prefer a more compact design.
Offering a tighter footprint than the larger Foundation F2, the Foundation F1 is ideal for those with smaller spaces. The star of the show is the Gen2 Obsidian Folded Motion Tweeter S working in tandem with the Folded Motion Waveguide for shocking levels of clarity, detail, and immersion. Filling out the sound are custom 5.5” aluminum drivers that combine high strength and low mass for impressive speed and detail. Foundation F1 is a great choice for high performance in modestly sized rooms.
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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.
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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. |
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Folded Motion® WaveguideEnhances 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 MartinLogan’s 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. |
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Specifications are subject to change without notice
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Dimensions (H x W x D, with feet) |
41-7/16” x 8-3/8” x 14-7/16” |
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Frequency Response |
41 Hz - 23 kHz ± 3 dB |
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Tweeter Dispersion (horizontal x vertical) |
90° x 90° |
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Recommended Amplifier Power |
15 - 200 watts |
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Sensitivity |
92 dB |
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Impedance |
4 ohms |
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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. |
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Crossover Frequency |
240 Hz, 2,700 Hz (3-way) |
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Mid-Frequency Drivers |
5.5” (14cm) aluminum cone with stamped steel basket. Non-resonant sealed chamber format. Unibody cone construction. |
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Low Frequency Driver |
3x 5.5” (14cm) aluminum cones with stamped steel baskets. Non-resonant asymmetrical chamber format. Unibody cone construction. |
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Cabinet |
Rear Ported |
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Binding Post Inputs |
5-way Binding Posts (Non Bi-Wire) |
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Weight |
46.5lbs / 21.1kg |
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Finish |
Black, Walnut, and Satin White |
