Technical data:

Design：3-way vented-box
Frequency Response：28Hz-40kHz
Sensitivity (2.83V/1m)：90dB
Impedance：4 ohms(minimum 3.2 ohms)
Power Requirement：50-500W recommended
Tweeter：Model：G1. Purified aluminum ribbon tweeter, the size of aluminum ribbon(LWT)：150mm×14.5mm×0.01mm. High power handling, high output, shielded design, easily field-replaceable for the ribbon.
Midrange：Model：AC130/50CK, 2×130mm (5.2″). Aluminum frame, the compositecone of Non-woven carbon fiber and Kevlar, 50mm (2″) copper clad aluminum voice coil with flat wire, the special magnet system with Faraday ring and demodulation coil, 120mm×20mm Y30 Ferrite magnet.
Woofer：Model：AC250/75C2C, 2×250mm (10″). Aluminum frame, the sandwich coneof Non-woven carbon fiber+Cell+Non-woven carbon fiber, 75mm (3″) copper clad aluminum voice coil with flat wire, the special magnet system with Faraday ring and demodulation coil,170mm×22mm Y30 Ferrite magnet.
Crossover Frequency：110Hz and 2200Hz
Crossover’s Attenuation Slope：Woofer -12dB，Midrange -12dB，Tweeter -18dB
Crossover Components：M-cap Supreme MKP capacitors are used for crossover of tweeter, M-cap MKP capacitors are used for crossover of midrange, and Aurum Cantus MKP capacitors are used for crossover of woofer, nonpolarity electrolytic capacitors are used for emendation circuit of woofer. Also, high purified OFC inductorsand the metal oxide film resistors with military industrial standard.
Connective Cable：Teflon insulated OCC cable
Damping Material：The polyester fiber and the PU foam
Connections：4 pcs 18mm gold-plated copper connector, Bi-wiring
Structure of Cabinet：Parabola-shaped cabinet structure. Midrange chamber and woofer chamber are completely separate.
Cabinet Material：High quality MDF
Finish：Sapele pomele PE high gloss paint, RosewoodPE high gloss paint, Cherry PE high gloss paint and Figured maple PE high gloss paint.
Dimensions (HWD)：1410mm×390mm×512mm(55.51″×15.35″×20.16″).
Net Weight：83kgs/pc (183lb/pc)