MartinLogan Motion F20

Product highlights:

• 1" x 1.4" Gen2 Obsidian Folded Motion® tweeter with custom waveguide
• 5-1/2" woven fiberglass cone midrange 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

Dimensions and warranty:

• 11-13/16"W x 44-9/16"H x 14-5/16"D
• weight: 60 lbs.
• warranty: 5 years (with product registration)
• 60-day returns
• MFR # MF20WNT