• Non-woven carbon fiber/Kevlar composite cone
• Large 2" diameter copper-clad aluminum flat wire voice coil maximizes dynamic range
• Round cast aluminum alloy frame is strong; easy to flush mount
• Powerful magnet structure features distortion-canceling fixtures
• Long-throw design and good Xmax for strong bass

Based on the already excellent AC Series, the Aurum Cantus AC130/50CK 5-1/4" large diameter voice coil midwoofer offers a whole new index of performance attributes. The tailored response of the AC130/50CK's exotic yet supremely engineered non-woven carbon fiber/Kevlar composite cone delivers the signature Aurum Cantus combination of depth, accuracy, and listenability. A copper-plated flat aluminum wire voice coil provides high efficiency and excellent power handling, complemented by a low-distortion magnet system and precisely cast aluminum alloy basket. Aurum Cantus woofers are characterized by fast transient response, minimal tonal coloration, and deep, dynamic bass. Specifications: *Power handling: 150 watts RMS/225 watts max *VCdia: 2" *Le: 0.67 mH *Impedance: 8 ohms *Re: 7.0 ohms *Frequency range: 37-4,500 Hz *Fs: 37 Hz *SPL: 89 dB 1W/1m *Vas: 0.78 cu. ft. *Qms: 3.17 *Qes: 0.23 *Qts: 0.21 *Xmax: 6 mm *Dimensions: A: 6-3/8", B: 5", C: 3-1/4".