BMS 12C382 12" Coaxial Speaker 3" + 1,75" VC, 500 W + 80 W, 98 dB, 8 Ohm

Specifications:

• Application: Nominal Impedance: 2-way Transducer
• Ohm Power Handling AES Noise: 8
• W Sensitivty (1 W / 1 m): 500
• dB Frequency response: 98
• Hz Voice Coil Diameter: 45 - 20000
• mm Voice Coil Material: 77 (3")
• Cu mm Voice Coil winding Depth:
• 19 mm Magnet Gap Depth:
• 10 Cast Aluminum Basket
• Effect. Diaphragm Diameter D 249 mm

Thiele-Small Parameters:

• Resonance Frequency: ( Fs): 52 Hz
• DC Resistance: ( Re): 5.80 Ohm
• Mechanical Q Factor: ( Qms): 5.60
• Electrical Q Factor: ( Qes): 0.30
• Total Quality Factor: ( Qts): 0.29
• Equivalent Volume: ( Vas): 57 L
• Moving Mass: ( Mms): 0.055 kg
• Mechanical Complience: ( Cms): 0.170 mm / N
• BL Factor: ( BL): 18.6 Tesla m
• Effective Piston Area: ( Sd): 0.0487 m²
• Max. linear Excursion: ( Xmax): +/- 4.5 mm

High Frequency:

• Nominal Impedance: 8 Ohm
• Power Handling AES: 80 W
• Peak Power: 450 W
• Sensitivity (1 W / 1 m): 110 dB
• Frequency Range: 700 - 20000 Hz
• Recommended Crossover: 1100 Hz
• Voice Coil Diameter: 44.4 (1.75") mm
• Magnet Material: Ceramic
• Flux Density 1.8 T
• Voice Coil Material: Copper Clad Aluminium
• (2 layers in- and outside of the VC) Kapton TM Voice Coil Former:
• Basket: Cast Aluminium
• 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: 285 mm
• Overall depth: 166 mm
• Net Weight: 7.75 kg