The Dayton Reference Series sets a new standard of value in high-performance loudspeaker drivers. Utilizing a low-distortion motor system with two short-circuit paths and a rigid aluminum cone, the Reference Series can outperform drivers that cost several times the price. Their low-distortion characteristics and high excursion capabilities provide exceptional clarity, detail, and dynamics. Woofer features a black anodized cone, heavy-duty 6-hole cast frame, low-loss rubber surround, solid aluminum phase plug, rubber magnet boot, and gold spring terminals. Specifications: * Power handling: 80 watts RMS/120 watts max * VCdia: 1.5" * Le: .56 mH * Impedance: 4 ohms * Re: 2.9 ohms * Frequency range: 35-2,000 Hz * Fs: 38 Hz * SPL: 92 dB 2.83V/1m, 89 dB 1W/1m * Vas: 1.33 cu. ft. * Qms: 2.39 * Qes: .56 * Qts: .46 * Xmax: 6mm *Dimensions: A: 8-3/4", B: 7-3/8", C: 3-1/2".