BMS 15CN680 15" Coaxial Neodymium Speaker
3" + 1.75" VC,
500 W + 80 W, 80 x 60°
98 dB
8 Ohm

Features:
• Neodymium Coaxial Transducer
• 98 dB Sensitivity 1 W / 1 m
• 500 W + 80 W Power Handling
• 3" Coppler Sandwich Voice Coil
• Triple Aluminum demodulating Rings
• Elliptical 80° x 60° Waveguide for precise Directivity
• Single Point Source providing coherent Wave Front
• Very high SPL, superb Quality Sound
• Optimal for compact 2-way Systems

Specifications:
•Application 2-way Transducer
•Nominal Impendance: 8 Ohm
•Power handling AES noise: 500 W
•Sensitivity (1 W / 1 m): 98 dB
•Frequency response: 40 - 2000 Hz
•Voice Coil Diameter: 77 (3") mm
•Voice Coil Material: Cu
•Voice Coil Winding Depth: 19 mm
•Magnet Gap Depth: 8 mm
•Basket: Cast Aluminum
•Effect. diaphragm diameter D 335 mm

Thiele-Small Parameters:
•Resonance Frequency: ( Fs): 40.7 Hz
•DC Resistance: ( Re): 5.7 Ohm
•Mechanical Q Factor: ( Qms): 6.28
•Electrical Q Factor: ( Qes): 0.38
•Total Quality Factor: ( Qts): 0.36
•Equivalent Volume: ( Vas): 137 L
•Moving Mass: ( Mms): 0.110 kg
•Mechanical Complience: ( Cms): 0.14 mm / N
•BL Factor: ( BL): 20.6 Tesla m
•Effective Piston Area: ( Sd): 0.0834 m²
•Max. linear Excursion: ( Xmax): +/- 5.5 mm

High Frequency:
•Nominal Impendance: 8 Ohm
•Power Handling AES: 80 W
•Peak Power: 450 W
•Sensitivity (1 W / 1 m): 113 dB
•Frequency Range: 600 - 20000 Hz
•Recommended Crossover: 1200 Hz
•Voice Coil Diameter: 80° x 60° (1.75") mm
•Magnet Material: Neodymium
•Flux Density 2.2 T
•Voice Coil Material: Copper Clad Aluminium (2 Layers in- and outsde the VC)
•Voice Coil Former: Kapton TM
•Diaphragm Material: Polyester

Mounting Information:
•Overall Diameter: 388 mm
•Mounting Holes Diameter: 8 x (7 x 8) mm
•Bolt Circle Diameter: 371 mm
•Baffle cut-out Diameter: 358 mm
•Overall depth: 203 mm
•Net Weight: 5.3 kg