MARTIN lOGAN CINEMA I CENTER CHANNEL

Martin Logan Cinema-I center channel in excellent condition. I am the original owner and it has been well cared for. On a scale of 1 to 10, I am giving it a 9 rating. Mounting bracket, power supply and the owner's manual are included.
I don’t have the original packaging but I can ensure that it will be professionally packaged, to provide utmost protection during shipment.

Specifications:

Frequency Response 80–22,000 Hz ±3dB
High Frequency Transducer 1" (2.54 cm) vacuum formed soft dome
Mid Frequency Transducer Patented Generation 2 CLS™ electrostatic transducer
Low Frequency Transducer Two 5.25" (13.3cm) magnetically shielded. Non-resonant asymmetrical chamber format
Sensitivity 89 dB/2.83 volts/meter
Impedance 6 Ohms, 3.7 at 20kHz. Compatible with 4, 6, or 8 Ohm rated amplifiers.
Recommended Amplifier Power 20‒300 watts per channel
Crossover Frequency 300, 3500 Hz
Inputs Custom 5-way binding posts
Weight 37 lbs. (16.8 kg)
Dimensions (with mounting bracket) 10" × 33.5" × 10.5"
(25.4cm × 85cm × 27cm)
Dimensions (without mounting bracket) 8" × 33.5" × 10.5"
(20.3cm × 85cm × 27cm)

Check the following links for more detail info

http://www.martinlogan.com/products/cinemai
http://forums.audioholics.com/forums/write-your-own-review/19695-martin-logan-aeon-i-cinema-i-depth-subwoofer-review.html