Martin Logan ESL C Centre Speaker

Technical Specifications: Frequency Response: 66–23,000 Hz ±3dB Recommended Amplifier Power: 20—300 watts per channel Horizontal Dispersion: 30° Vertical Dispersion: 6.375" (16cm) line source Sensitivity: 89 dB/2.83 volts/meter Impedance: 4 Ohms Compatible with 4, 6, or 8 Ohm rated amplifiers. Crossover Frequency: 600, 3400 Hz High Frequency Transducer: One 1" x 1.4" (2.6cm x 3.6cm) Folded Motion Transducer with 5.25" x 1.75" (13.3cm x 4.4cm) diaphragm. Mid Frequency Transducer: XStat™ CLS™ electrostaic transducer. » Panel Dimensions: Two 6.375" x 9" (16.2 x 22.8cm) » Radiating Area: 114 in² (740 cm²) Low Frequency Transducer: Two 5.25" (13.3 cm) high excursion, high-rigidity aluminum cone with extended throw driver assembly, non-resonance asymmetrical chamber format. Components: Custom-wound audio transformer, air core coils, low dcr steel laminate coils, polyester capacitors Inputs: Custom 5-way tool-less binding posts Weight: 32 lbs. (14.5 kg) Dimensions: 7.6" x 22.8" x 16.1 " (19.3cm x 57.9cm x 40.9cm)