Technical specifications

• Nominal Diameter: 380 mm (15in)
• Overall Diameter: 393 mm (15.47in)
• Bolt Circle Diameter: 374 mm (14.72in)
• Baffle Cutout Diameter: 354 mm (13.94in)
• Overall Depth: 194.3 mm (7.65in)
• Flange/Gasket Thickness: 13.7 mm (0.54in)
• Impedance: 8 ohm
• Minimum Impedance: 6.4 ohm
• AES Power: 1400 W
• Program Power: 2800 W
• Sensitivity: 95 dB
• Frequency Range: 40:2000 Hz
• Voice Coil Diameter: 100 mm (4in)
• Voice Coil Material: Cu
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 28.9 mm (1.14in)
• Magnetic Gap Depth: 12 mm (0.47in)
• Surround Type: Triple
• Spider Profile: 2x non-adjacent symmetrical variable height waves
• Chassis Material: Aluminum
• Magnet Material: Neodymium Ring
• Demodulating Ring: Aluminum Ring
• Flux Density: 1.1 T
• Driver Displacement Volume: 4.1 L (0.145ft^3)

Thiele and small parameters

• Resonance (Fs) - 40 Hz
• DC Resistance (Re) - 5 Ohm
• Electrical Q (Qes) - 0.41
• Mechanical Q (Qms) - 10.9
• Total Q (Qts) - 0.40
• Compliance Equivalent Volume (Vas) - 86.9 L
• Diaphragm Area (Sd) - 841 cm²
• Maximum Linear Excursion (Xmax) - 12.45 mm
• Maximum Mechanical Excursion (Xdamage) - 24 mm
• Moving Mass - System (Mms) - 180.0 g
• Force Factor (BL) - 23.6 Tm
• Voice Coil Inductance (Le) - 1.34 mH
• Moving Mass - Diaphragm (Mmd) - 152.4 g
• Compliance (Cms) - 0.09 mm/N
• Mechanical Resistance (Rms) - 4.2 Kg/s
• Reference Efficiency (Eta Zero) - 1.33 %
• Efficiency Bandwidth Product (EBP) - 98

Shipping Information

• Net Weight: 7.3 kg (16.1lb)
• Shipping Weight: 8.6 kg (19.0lb)
• 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