Technical specifications

• Nominal Diameter: 380 mm (15in)
• Overall Diameter: 418.4/388 mm (16.46/15.28in)
• Bolt Circle Diameter: 374 mm (14.72in)
• Baffle Cutout Diameter: 354 mm (13.98in)
• Overall Depth: 185 mm (7.28in)
• Flange/Gasket Thickness: 11.5 mm (0.45in)
• Impedance: 8 ohm
• Minimum Impedance: 6.5 ohm
• AES Power: 700 W
• Program Power: 1400 W
• Sensitivity: 99 dB
• Frequency Range: 40:4000 Hz
• Voice Coil Diameter: 77 mm (3in)
• Voice Coil Material: Al
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 23.5 mm (0.93in)
• Magnetic Gap Depth: 14 mm (0.55in)
• Surround Type: Triple
• Spider Profile: 1x variable height waves
• Chassis Material: Aluminum
• Magnet Material: Neodymium Slug Crown
• Demodulating Ring: Aluminum Ring
• Flux Density: 1.1 T
• Driver Displacement Volume: 4.1 L (0.145ft^3)

Thiele and Small parameters:  Need some help? Read our quick guide to TS Params.

• Resonance (Fs) - 38 Hz
• DC Resistance (Re) - 5.2 Ohm
• Electrical Q (Qes) - 0.31
• Mechanical Q (Qms) - 6.8
• Total Q (Qts) - 0.30
• Compliance Equivalent Volume (Vas) - 159.0 L
• Diaphragm Area (Sd) - 864 cm²
• Maximum Linear Excursion (Xmax) - 9.42 mm
• Maximum Mechanical Excursion (Xdamage) - 21.8 mm
• Moving Mass - System (Mms) - 115.0 g
• Force Factor (BL) - 21.5 Tm
• Voice Coil Inductance (Le) - 0.64 mH
• Moving Mass - Diaphragm (Mmd) - 86.3 g
• Compliance (Cms) - 0.15 mm/N
• Mechanical Resistance (Rms) - 4.0 Kg/s
• Reference Efficiency (Eta Zero) - 2.74 %
• Efficiency Bandwidth Product (EBP) - 123

Shipping Information

• Net Weight: 7.5 kg (16.5lb)
• 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