Description

The MartinLogan Motion F20 is the top of the impressive Motion Series lineup. It s a robust floor-standing speaker that delivers accurate, detailed sound, based around carefully chosen drivers, precise crossovers, and an acoustically optimized cabinet. This tower is voice-matched to other models in the Motion Series, and it comes in three gorgeous finishes, so you can choose one that suits your home decor.

MartinLogan s acclaimed Folded Motion tweeter uses a pleated diaphragm that works similarly to an accordion by squeezing air to create sound. The F20 s upgraded Gen2 Obsidian version of this tweeter uses larger magnets for greater detail and accuracy. The new design places it inside a custom Folded Motion waveguide that enhances dispersion of high-frequency sound throughout your listening area. 

Because it requires almost 90% less excursion than the typical 1 dome tweeter, response time is drastically reduced along with distortion. The diaphragm s increased surface area also provides wide, yet controlled sound dispersion to create a realistic and highly accurate soundstage. Music sounds detailed, but smooth and effortless, without a trace of harshness.

Features

• 1 x 1.4 Gen2 Obsidian Folded Motion® tweeter with custom waveguide
• 5-1 2 woven fiberglass cone woofer with cast polymer basket
• Dual 6-1 2 aluminum cone woofers with cast polymer baskets
• Bass-reflex (ported) cabinet with bottom-firing port
• Frequency response: 35-25,000 Hz
• Upgraded McCracken-Vojtko crossover network
• Sensitivity: 92 dB
• Nominal impedance: 4 ohms
• Recommended amplifier power: 20-300 watts
• Removable magnetic grilles
• Fully adjustable anti-vibration F.A.S.T. feet
• Dual five-way binding post speaker terminals allow bi-amping or bi-wiring
  

  Enclosure		Ported
  Finish		MDF Lacquer
  Tweeter Type		Folded Motion Ribbon
  Tweeter Size (inches)		1 x 1.4
  Midrange Size (inches)		5.5
  Woofer Size (inches)		6.5
  Woofer Composition		Aluminum
  Woofer Surround		Rubber
  Power Range		20-300
  Sensitivity		92 dB
  Impedance (Ohms)		4
  Frequency Response		35-25k Hz
  Connector Type		Binding post
  Bi-amp Inputs		Yes
  Dimensions (H x W x D)		44-9 16 x 11-13 16 x 14-5 16
  Weight		60 lbs

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