Coaxial Speaker 12"/1.4", 450/90W, 101/110dB, 40-20000Hz, X-max 5.5mm, Radiation angle 60°, Weight 5.9kg • The CX12N351 is a high-quality coaxial design that delivers exceptional frequency response linearity with minimal distortion. • Powered by an integrated high-power neodymium magnetic structure, the CX12N351 ensures high dynamic range and sensitivity for both components. • The mid-bass section boasts a 3.5" inside-outside voice coil design, enabling high power handling compared to standard 3" voice coils. • Equipped with an integrated demodulation ring, the mid-bass section offers faster response times and lower distortion. • The compression driver features a 2.5" diaphragm with a 1.4" throat, incorporating cutting-edge technologies with a pure titanium diaphragm and suspension. Features: • 3.5-inch fiberglass outside aluminum voice coil • 900 Watt continuous program power handling • 98.5 dB Sensitivity • 50 Hz - 3.0 kHz Frequency range • Dual-forced air ventilation for minimal power compression • M-roll surround and exponential cone geometry • Demodulation ring • 2.5-inch Diaphragm, 1.4-inch Exit Throat/pure titanium compression driver • 180 Watt Continuous program power handling • Frequency range: 700Hz – 20kHz • Direct Drive Voice Coil Assembly • 3-slot, optimized geometry phase plug • Aluminum rear cover • Copper inductance ring for extended response CX12N351 Driver: • Nominal Diameter: 35.5 / 1.4 mm/inch • Rated Impedance: 8 ohm • Program Power: 180 W • Power Handling Capacity: 90 W • Sensitivity 1 W, 1 m: 110 dB • Frequency Range: 700 - 20000 Hz • Minimum Impedance: 7.9 ohm • Voice Coil Diameter: 63.7 / 2.5 mm/inch • Voice Coil Material: Edgewound Aluminum • Number of layers: 1 - Outside • Diaphragm Material: Pure Titanium • Diaphragm Design: Dome • Suspension Material: Pure Titanium • Suspension design: Progressive • BL factor: 10.4 T · m • Flux density: 2.0 T • Phase plug design: 3 slot • Phase plug material: Aluminum • Magnetics: Neodymium • Voice Coil Demodulation: Copper ring CX12N351 Horn: • Throat Diameter: 36 / 1.4 • Nominal coverage (-6dB): 60° • Cut-off Frequency: 900 • Material: Structural Polyurethane CX12N351 Woofer: • Nominal Diameter: 300 / 12 mm/inch • Rated Impedance: 8 ohm • Program Power: 900 W • Power Handling Capacity: 450 W • Sensitivity: 98.5 dB • Frequency Range: 50 - 3000 Hz • Effective Piston Diameter: 260 / 10 mm/inch • Max Excursion Before Damage (peak to peak): 39 / 1.5 mm/inch • Minimum Impedance: 6.8 ohm • Voice Coil Diameter: 87 / 3.4 mm/inch • Voice Coil Material: Copper • Voice Coil Winding Depth: 16.5 / 0.65 mm/inch • Number of layers: 2 • Kind of layer: inside / outside • Top Plate Thickness: 11 / 0.43 mm/inch • Cone Material: No pressed pulp • Cone Design: Curved • Surround Material: Polycotton • Surround Design: M-roll Thiele/Small Parameters: • Resonance frequency: Fs - 58 Hz • DC resistance: Re - 5.8 ohm • Mechanical Factor: Qms - 5.4 • Electrical Factor: Qes - 0.21 • Total Factor: Qts - 0.20 • BL Factor: Bl - 25 T · m • Effective Moving Mass: Mms - 62 g • Equivalent Cas air load: Vas - 47 liters • Effective piston area: Sd - 0.053 m2 • Max. linear excursion (mathematical): Xmax - 5.5 mm • Voice-coil inductance @ 1 kHz: Le1K - 1.5 mH • Half-space efficiency: Eff - 4.4% Mounting Information: • Overall Diameter: 320 / 12.6 mm/inch • Bolt Circle Diameter: 293 - 304 / 11.5 - 12 mm/inch • Bolt Hole Diameter: 6.5 / 0.3 mm/inch • Front Mount Baffle Cut-out: 284 / 11.2 mm/inch • Rear Mount Baffle Cut-out: 284 / 11.2 mm/inch • Depth: 144 / 5.66 mm/inch • Volume occupied by the driver: 2.2 / 0.77 liters/ft3 Shipping Information: • Net Weight: 5.9 / 13 kg/lbs • Shipping Weight: 6.7 / 14.7 kg/lbs