BMS 12CN680 12" Coaxial Neodymium Speaker 3" + 1.75" VC, 500 W + 80 W, 80°x 60° 98 dB 8 Ohm

Specifications:

• Application 2-way Transducer
• Nominal Impedance: 8 Ohm
• Power handling AES noise: 500 W
• Sensitivity (1 W / 1 m): 98 dB
• Frequency response: 50 - 20000 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
• Voice Coil Inductance Le 0.6 mH

Thiele-Small Parameters:

• Resonance Frequency: ( Fs): 46 Hz
• Mechanical Q Factor: ( Qms): 5.8
• Electrical Q Factor: ( Qes): 0.27
• Total Quality Factor: ( Qts): 0.26
• Equivalent Volume: ( Vas): 58 L
• Moving Mass: ( Mms): 0.069 kg
• Mechanical Complience: ( Cms): 0.170 mm / N
• BL Factor: ( BL): 20.6 Tesla m
• Effective Piston Area: ( Sd): 0.0487 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: 1300 Hz
• Voice Coil Diameter: 44.4 (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: 318 mm
• Mounting Holes Diameter: 8 x (7 x 8) mm
• Bolt Circle Diameter: 300 mm
• Baffle cut-out Diameter: 284 mm
• Overall depth: 180 mm
• Net Weight: 5.1 kg