Eminence Speaker N151M8 1 in. Ring Radiator Driver, 8 ohm - 2-Bolt

Despite its minute size, the Eminence N151M-8 ring radiator compression driver delivers monumental performance. Utilizing a phase plug design that improves the distribution of forces over the diaphragm surface results in a driver with lower distortion, smoother frequency response, and increased sensitivity as compared to conventional ring radiator designs. * Throat Size: 1-in, 25.4mm. * Nominal Impedance*: 8 Ohms. * Minimum Impedance: 5.2 ohm @ 6.2 kHz. * Power Rating**: 45 W (AES). * Resonance: 1.24kHz. * Usable Frequency Range: 1800Hz-27kHz. * Recommended Crossover: 1.8 kHz @ 12 dBkHz. * Sensitivity***: 111.5. * Magnet Material: Neodymium. * Magnet Weight: 4.5oz, 0.13kg. * Voice Coil Diameter: 1.5-in / 38.1mm. * Voice Coil Former: Polyimide. * Diaphragm Material: Mylar. * DC Resistance (Re): 4.1O. * MOUNTING INFORMATION. * Overall Diameter: 3.6-in, 91.4mm. * Driver Volume Displaced: 0.008 cu.ft., 0.22 liters. * Depth: 1.45-in, 36.8mm. * Weight: 1.7 lbs, 0.8 kg. * Mounting Thread: N/A. * Mounting Holes Diameter: 2X 1/4-20. * Mounting Holes B.C.D.: 3 in., 76.2 mm

Phase plug designed for improved force distribution over the diaphragm surface A driver with low distortion, smooth frequency response, and high sensitivity Great performance compared to conventional ring radiator designs