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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.

  • 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 cast aluminum basket. Non-resonant sealed chamber format. Unibody cone construction.

  • Cabinet: Rear Ported

  • Binding Post Inputs: 5-way Binding Posts (Non Bi-Wire)

  • Weight: 11.5 lbs / 5.2 kg

  • Dimensions (H x W x D): 13-11/16” x 7-1/4” x 9-1/2” (34.6cm x 18.4cm x 24.05cm)

Martin Logan Motion Foundation B1 Bookshelf Speakers

R13990

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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 B2 is ideal for small spaces, especially when combined with a subwoofer, to create a highly musical, detailed experience wherever high quality sound is desired. 

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  • 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 2.5cm) Gen2 Folded Motion® Tweeter S with 3.5 in2 (22.6 cm2) diaphragm.

  • Crossover Frequency: 3,800 Hz (2-way)

  • Mid-Frequency Drivers: 6.5” (16.5cm) aluminum cone with cast aluminum basket. Non-resonant sealed chamber format. Unibody cone construction.

  • Cabinet: Rear Ported

  • Binding Post Inputs: 5-way Binding Posts (Non Bi-Wire)

  • Weight: 15 lbs / 6.8 kg

  • Dimensions (H x W x D): 15” x 7-3/4” x 11-1/2” (38.1cm x 19.7cm x 29.2cm)

Martin Logan Motion Foundation B2 Bookshelf Speakers

R18990

Motion Foundation C1Foundation C1 offers incredibly clear dialogue to round out the front stage of any Motion Foundation surround sound system all in a space conscious design.

For those building out a surround sound system, the center channel is one of the most important pieces. The majority of dialogue in a movie comes from this speaker, so it is critically important that dialogue be clear. As with all Motion Foundation models the Gen2 Obsidian Folded Motion Tweeter S and Folded Motion Waveguide are used to great effect here to blanket your listening area in crystal clear dialogue. Foundation C1’s aluminum midbass drivers are also further enhanced by MartinLogan’s signature 2.5 way “Anti-Lobing” center channel design to provide the performance of larger 3 way designs in a much more furniture friendly package.

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  • Frequency Response: 53 Hz - 23 kHz ± 3 dB

  • Tweeter Dispersion (horizontal x vertical): 90° x 90°

  • Recommended Amplifier Power: 15 - 100 watts

  • Sensitivity: 91 dB

  • Impedance: 4 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: 2,900 Hz, 3,200 Hz (2.5-way)

  • Mid-Frequency Drivers: 2x 5.5” (14cm) aluminum cone with cast aluminum basket. Non-resonant sealed chamber format. Unibody cone construction.

  • Cabinet: Rear Ported

  • Binding Post Inputs: 5-way Binding Posts (Non Bi-Wire)

  • Weight: 18 lbs / 15.4 kg

  • Dimensions (H x W x D): 7-5/8” x 20” x 10” (20.3cm x 61cm x 36.8cm)

Martin Logan Motion Foundation C1 Centre

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R10990

While the Motion® F10 is the smallest floorstanding model in our assortment, it offers impressive levels of detail, clarity, and dynamics that defy the expectations of its compact design. With a height of under 39", the Motion® F10 can fit into almost any decor without being overbearing. With the combination of our Gen2 FMT, Woven Fiberglass midrange, and dual 5.5" aluminum bass drivers, Motion® F10 provides an engaging listening experience for all of your favourite content.

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  • Dimensions (H x W x D, with feet): 38-1/4” x 11-1/4” x 13-1/4” 97.1cm x 28.6cm x 7.6cm

  • Frequency Response: 38 Hz - 25 kHz ± 3 dB

  • Tweeter Dispersion (horizontal x vertical): 90° x 90°

  • Recommended Amplifier Power: 20 - 250 watts

  • Sensitivity: 92 dB

  • Impedance: 4 ohms

  • High Frequency Driver:

  • 1” x 1.4” (2.6 x 3.6cm) Gen2 Obsidian Folded Motion Tweeter with 9.2 in2 (59.4 cm2) diaphragm

  • Crossover Frequency:

  • 280 Hz, 3,000 Hz (3-way)

  • Mid-Frequency Drivers:

  • 5.5” (14cm) Woven Fiberglass cone with cast polymer basket. Non-resonant sealed chamber format. Unibody cone construction.

  • Low Frequency Driver:

  • 2x 5.5” (14cm) aluminum cones with cast polymer baskets. Non-resonant asymmetrical chamber format. Unibody cone construction.

  • 50.5 lbs / 22.9 kg

Martin Logan Motion F10 Floorstanding Speakers

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R57990

Motion® F20 offers excellent detail, clarity, and power in a non-imposing floorstanding package. With the incredible trifecta of the Gen2 FMT with a Woven Fiberglass midrange and dual 6.5" aluminum bass drivers, it is well equipped to take its place in any home theater or 2-channel setup. Offering more bass extension and dynamics than its smaller sibling, the Motion® F20 is the ideal sweet spot for those balancing both performance and size.

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Dimensions (H x W x D, with feet): 44-3/4” x 11-3/4” x 14-1/4” 112.7cm x 29.8cm x 36.2cm

Frequency Response: 35 Hz - 25 kHz ± 3 dB

Tweeter Dispersion (horizontal x vertical): 90° x 90°

Recommended Amplifier Power: 20 - 300 watts

Sensitivity: 92 dB

Impedance: 4 ohms

High Frequency Driver:

  • 1” x 1.4” (2.6 x 3.6cm) Gen2 Obsidian Folded Motion Tweeter with 9.2 in2 (59.4 cm2) diaphragm

Crossover Frequency:

  • 230 Hz, 2,600 Hz (3-way)

Mid-Frequency Drivers:

  • 5.5” (14cm) Woven Fiberglass cone with cast polymer basket. Non-resonant sealed chamber format. Unibody cone construction.

Low Frequency Driver:

  • 2x 6.5” (16.5cm) aluminum cones with cast polymer baskets. Non-resonant asymmetrical chamber format. Unibody cone construction.

Weight:

  • 60 lbs / 27.2 kg

Martin Logan Motion F20 Floorstanding Speakers

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R77990

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