The MartinLogan Motion Foundation F2 is the flagship floorstanding speaker in the Motion Foundation Series, engineered to deliver dynamic, room-filling performance for both music enthusiasts and home theater systems. Combining MartinLogan's advanced Gen2 Obsidian Folded Motion® Tweeter S with a dedicated 5.5-inch aluminum midrange and three powerful 6.5-inch aluminum woofers, the F2 produces exceptional clarity, deep bass, and effortless dynamics while remaining remarkably affordable for its level of performance.
At the heart of the F2 is MartinLogan's Folded Motion® Waveguide, which works with the Gen2 Folded Motion Tweeter to provide controlled 90° × 90° dispersion and improved integration with the dedicated midrange driver. This advanced design minimizes unwanted room reflections while creating a wide, consistent soundstage with precise imaging and remarkable vocal realism. The proprietary McCracken-Vojtko crossover further refines driver integration, resulting in smooth frequency response and outstanding tonal balance.
The dedicated 3-way architecture allows each driver to operate within its optimal frequency range. A sealed-chamber aluminum midrange reproduces vocals and instruments with exceptional accuracy, while the trio of 6.5-inch aluminum woofers delivers tight, impactful bass extending down to 36 Hz. The rigid rear-ported cabinet minimizes unwanted resonance, allowing the speaker to maintain excellent detail and dynamic capability even during demanding movie soundtracks and high-resolution music playback.
Whether serving as the foundation of a premium two-channel stereo system or the front stage of an immersive home theater, the Motion Foundation F2 delivers the speed, transparency, and musicality that define MartinLogan loudspeakers. Its elegant design, premium engineering, and exceptional value make it an outstanding choice for listeners seeking high-end performance without the premium price typically associated with audiophile floorstanding speakers.
- Component type: 3-way floorstanding speaker
- High-frequency driver: Gen2 Obsidian Folded Motion® Tweeter S with Folded Motion® Waveguide
- Midrange driver: 5.5-inch aluminum cone in sealed chamber
- Low-frequency drivers: Three 6.5-inch aluminum cone woofers
- Frequency response: 36 Hz – 23 kHz (±3 dB)
- Sensitivity: 92 dB (2.83V/1m)
- Impedance: 4 ohms (compatible with 4, 6, or 8-ohm amplifiers)
- Recommended amplifier power: 15–200 W
- Crossover frequencies: 330 Hz, 3,600 Hz
- Tweeter dispersion: 90° × 90°
- Inputs: 5-way binding posts (non bi-wire)
- Enclosure: Rear-ported bass reflex cabinet
- Dimensions (H × W × D): 44.4 × 8.75 × 16.0 in (112.8 × 22.2 × 40.7 cm)
- Weight: 52.5 lb (23.8 kg)
- Finishes: Black, Walnut, Satin White
- Design features: Gen2 Folded Motion® Waveguide, McCracken-Vojtko crossover, aluminum drivers, reinforced cabinet construction
