Martin Logan Motion F20
Image source — © Martin Logan
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Model name
Motion F20
Frequency Response low +/- 3dB (Hz)
35
Frequency Response high +/- 3dB (Hz)
25 000
Sensitivity (dB at 1 W/1m)
92
Impedance (Ohms)
4
Power amplifier requirements (W)
20 - 300
Has internal amplification
N/A
Internal amplification power (W)
N/A
Size (sm)
112.7 x 29.8 x 36.2
Weight (kg)
27.2
Official link
With its more compact size compared to the larger Foundation F2 model, Foundation F1 is ideal for those who have a small space. The main feature is the Gen2 Obsidian Folded Motion TweeterS, which works in tandem with the Folded Motion Waveguide and provides an amazing level of detail.
The Martin Logan Motion Foundation F2 combines Gen2 Obsidian Folded Motion TweeterS with 3 specially designed 6.5-inch aluminum woofers for incredible speed, detail, and clarity. Further enhances the listening experience with the Folded Motion Waveguide, which provides more consistent and accurate listening by aligning the tweeter output and midrange in perfect harmony.
A 26 x 36 mm ribbon tweeter is responsible for the high-frequency range in the model, inside of which there is a folded accordion diaphragm with sides of 13.3 x 4.4 cm.
Floorstanding loudspeaker, series: Motion, design: 3-way, acoustic design: bass reflex, power: 20 - 250 W, frequency range: 38 Hz - 25 kHz, sensitivity: 92 dB.
The model uses the proprietary Gen2 Obsidian FM TXT driver for high frequencies. This is an upgraded AMT emitter with more powerful magnets and a 40% increase in the total radiation area of the driver.