Technical specifications

• Nominal Diameter: 380 mm (15in)
• Overall Diameter: 393 mm (15.47in)
• Bolt Circle Diameter: 374 mm (14.72in)
• Baffle Cutout Diameter: 356 mm (14.02in)
• Overall Depth: 181.3 mm (7.14in)
• Flange/Gasket Thickness: 13.7 mm (0.54in)
• Impedance: 4 ohm
• Minimum Impedance: 3.2 ohm
• AES Power: 600 W
• Program Power: 1200 W
• Sensitivity: 97 dB
• Frequency Range: 40:3150 Hz
• Voice Coil Diameter: 77 mm (3in)
• Voice Coil Material: Al
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 22.3 mm (0.88in)
• Magnetic Gap Depth: 12 mm (0.47in)
• Surround Type: Triple
• Spider Profile: 1x variable height waves
• Chassis Material: Aluminum
• Magnet Material: Neodymium Slug
• Demodulating Ring: Aluminum Ring
• Flux Density: 1.1 T
• Driver Displacement Volume: 3.4 L (0.120ft^3)

Thiele and small parameters

• Resonance (Fs) - 38 Hz
• DC Resistance (Re) - 2.7 Ohm
• Electrical Q (Qes) - 0.35
• Mechanical Q (Qms) - 9
• Total Q (Qts) - 0.34
• Compliance Equivalent Volume (Vas) - 153.2 L
• Diaphragm Area (Sd) - 847 cm²
• Maximum Linear Excursion (Xmax) - 9.15 mm
• Maximum Mechanical Excursion (Xdamage) - 15.6 mm
• Moving Mass - System (Mms) - 114.7 g
• Force Factor (BL) - 14.3 Tm
• Voice Coil Inductance (Le) - 0.68 mH
• Moving Mass - Diaphragm (Mmd) - 86.8 g
• Compliance (Cms) - 0.15 mm/N
• Mechanical Resistance (Rms) - 3.0 Kg/s
• Reference Efficiency (Eta Zero) - 2.25 %
• Efficiency Bandwidth Product (EBP) - 109

Shipping Information

• Net Weight: 4.6 kg (10.1lb)
• Shipping Weight: 5.7 kg (12.6lb)
• Shipping Box: 430 x 427 x 236 mm

Notes

1 - AES Power: 2 Hours Test According to AES 2-1984 Rev. 2003
2 - Maximum/Program power is defined as 3 dB greater than AES Power
3 - Xmax: Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
4 - Xdamage: Maximum excursion before permanent damage