Martin Logan Center is in excellent condition, I purchased this new it sounds great! Original cloth cover and manual are included. The powerful EM-C2 center channel provides a detailed, articulate, and authoritative center channel audio presence. Sized similar to a traditional audio/video receiver the EM-C2 is designed to fit discreetly within any standard audio-video cabinet. The EM-C2's perfectly balanced dual 5.25-inch high-excursion, doped fiber-cone woofers are seamlessly blended with the Folded Motion XT tweeter with a high-precision, advanced topology audiophile-grade crossover network. The EM-C2 is rated at 94dB. Folded Motion XT  Tweeter MartinLogan's larger, low distortion Folded Motion XTtweeter boasts a radiating surface 40% larger than those found in the award-winning Motion® Series products. This substantial leap in size increases the bandwidth and efficiency of the high-performance tweeter for effortless center channel performance. The EM-C2 is sized perfectly to fit inside of any standard audio-video cabinet, but no matter where you place it, you'll get sound directed up toward your ears, thanks to a dense wedge-shaped enclosure. Mount it high and flip the cabinet upside down to aim sound down into the room. Specifications Specifications are subject to change without notice Recommended Amplifier Power20-250 watts per channel Horizontal Dispersion80° x 30° Sensitivity94 dB @ 2.83 volts/ meter Impedance4 Ohms. Compatible with 4, 6 or 8 ohm rated amplifiers. Crossover Frequency900, 2,300 Hz Crossover Frequency55–25,000 Hz ±3dB High Frequency TransducerOne 1.25 × 2.4 (3.2cm × 6.1cm) Folded Motion XT Transducer with 4.5 × 2.75 (11.4cm × 7cm) diaphragm Low Frequency TransducerTwo 5.25 (13.3cm) paper cone with cast aluminum basket. Ported. Weightapproximately 21 lbs 14oz Dimensions6.4 x 18.9 x 14.3 (16.4cm x 48.2cm x 36.5cm)