Technical specifications

• Nominal Diameter: 300 mm (12in)
• Overall Diameter: 316 mm (12.44in)
• Bolt Circle Diameter: 298.5 mm (11.75in)
• Baffle Cutout Diameter: 284 mm (11.18in)
• Overall Depth: 155.75 mm (6.13in)
• Flange/Gasket Thickness: 12.5 mm (0.49in)
• Impedance: 8 ohm
• Minimum Impedance: 6.3 ohm
• AES Power: 600 W
• Program Power: 1200 W
• Sensitivity: 98 dB
• Frequency Range: 50:4000 Hz
• Voice Coil Diameter: 77 mm (3in)
• Voice Coil Material: Al
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 18.5 mm (0.71in)
• 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: 2.4 L (0.085ft^3)

Thiele and small parameters

• Resonance (Fs) - 50 Hz
• DC Resistance (Re) - 5.1 Ohm
• Electrical Q (Qes) - 0.30
• Mechanical Q (Qms) - 11.1
• Total Q (Qts) - 0.29
• Compliance Equivalent Volume (Vas) - 73.7 L
• Diaphragm Area (Sd) - 540 cm²
• Maximum Linear Excursion (Xmax) - 7.25 mm
• Maximum Mechanical Excursion (Xdamage) - 19.5 mm
• Moving Mass - System (Mms) - 56.0 g
• Force Factor (BL) - 17.3 Tm
• Voice Coil Inductance (Le) - 0.74 mH
• Moving Mass - Diaphragm (Mmd) - 41.8 g
• Compliance (Cms) - 0.18 mm/N
• Mechanical Resistance (Rms) - 1.6 Kg/s
• Reference Efficiency (Eta Zero) - 2.98 %
• Efficiency Bandwidth Product (EBP) - 167

Shipping Information

• Net Weight: 4.2 kg (9.3lb)
• Shipping Weight: 5 kg (11.0lb)
• Shipping Box: 350 x 346 x 216 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