About: BlastKing Profile15 15″ 1000W RMS High Output Woofer - 8 Ohms (Each)

The BlastKing Profile series brings high output, low frequency woofers in 12”, 15”, 18” and 21” options. These transducers are capable of very low frequencies and are intended for use in a reflex or horn loaded cabinets. They are all made in a high-quality die cast aluminum frame and boast a heavy-duty ferrite magnet that allows for increased power ratings. The Profile transducers are perfect for those needing high level, low frequency output transducers with very low distortion.

Specifications:

• Nominal Basket Diameter: 15" (381 mm)
• Rated Impedance: 8 ohm
• Rated Power Handling: 1000 Watts
• Program Power: 2000 Watts
• Sensitivity: 96.4 dB
• Frequency Range: 38Hz - 1200Hz
• Magnet Weight: 150 Oz
• Magnet Dimensions: 9.8" x 5.5" x 1" (250 x 140 x 25 mm) 
• Minimum Impedance 5.3 ohm
• Voice Coil Diameter: 4" (99.2 mm) 
• Voice Coil Material: Fiberglass
• Voice Coil Length: 0.9" (23 mm)
• Number of Layers: 2
• Kind of Layers: Inside/Outside
• Top Plate Thickness:0.59" (15 mm)

Thiele & Small Parameters:

• Resonance Frequency (Fs): 38Hz
• DC Resistence (Re): 5.3 ohm
• Mechanical Factor (Qms): 1.75
• Electrical Factor (Qes): 0.4
• Total Factor (Qts): 0.33
• BL Factor (BL): 28 T – m
• Effective Moving Mass (Mms): 173 gr
• Equivalent Cas Air Load (Vas): 205 liters
• Effective Piston Area (Sd): 0.122 M²
• Maximum Linear Excursion (Xmax): 8 mm
• Half-Space Efficiency (Eff): 2.2%

Mounting Information:

• Overall Diameter: 15.51" (394 mm)
• Bolt Circle Diameter: 14.6"-14.8" (371-376 mm) 
• Bolt Hole Diameter: 0.25" (6.5 mm) 
• Front Mount Baffle Cut-Out: 13.94" (354 mm)
• Rear Mount Baffle: Cut-Out: 13.94" (354 mm)
• Depth: 6.1" (155 mm)