MartinLogan Motion Foundation C1

Product highlights:

• 1" x 0.94" Gen2 Obsidian Folded Motion® S tweeter with custom waveguide
• dual 5-1/2" aluminum cone midrange/bass woofers with cast aluminum baskets
• bass-reflex (ported) cabinet
• frequency response: 53-23,000 Hz (±3dB)
• sensitivity: 91 dB
• nominal impedance: 4 ohms
• recommended amplifier power: 15-150 watts
• removable grille
• five-way binding post speaker terminals

Dimensions and warranty:

• 20"W x 7-5/8"H x 10-1/16"D
• weight: 18 lbs.
• warranty: 5 years (with product registration)
• 60-day returns
• MFR # FC1B