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: 180 mm (7.09in)
• Flange/Gasket Thickness: 13.1 mm (0.52in)
• Impedance: 8 ohm
• Minimum Impedance: 6.3 ohm
• AES Power: 500 W
• Program Power: 1000 W
• Sensitivity: 98 dB
• Frequency Range: 35:3150 Hz
• Voice Coil Diameter: 77 mm (3in)
• Voice Coil Material: Cu
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 22 mm (0.87in)
• Magnetic Gap Depth: 10.5 mm (0.41in)
• Surround Type: M-Roll
• Spider Profile: 1x variable height waves
• Chassis Material: Aluminum
• Magnet Material: Ferrite Ring
• Demodulating Ring: No
• Flux Density: 1.2 T
• Driver Displacement Volume: 4.1 L (0.145ft^3)

Thiele and small parameters

• Resonance (Fs) - 35 Hz
• DC Resistance (Re) - 5.1 Ohm
• Electrical Q (Qes) - 0.27
• Mechanical Q (Qms) - 10.7
• Total Q (Qts) - 0.26
• Compliance Equivalent Volume (Vas) - 191.8 L
• Diaphragm Area (Sd) - 847 cm²
• Maximum Linear Excursion (Xmax) - 9.25 mm
• Maximum Mechanical Excursion (Xdamage) - 16 mm
• Moving Mass - System (Mms) - 108.0 g
• Force Factor (BL) - 21 Tm
• Voice Coil Inductance (Le) - 1.4 mH
• Moving Mass - Diaphragm (Mmd) - 80.1 g
• Compliance (Cms) - 0.19 mm/N
• Mechanical Resistance (Rms) - 2.2 Kg/s
• Reference Efficiency (Eta Zero) - 2.90 %
• Efficiency Bandwidth Product (EBP) - 130

Shipping Information

• Net Weight: 8.4 kg (18.5lb)
• Shipping Weight: 9.5 kg (20.9lb)
• 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