Technical specifications

• Nominal Diameter: 250 mm (10 in)
• Overall Diameter: 261 mm (10.28 in)
• Bolt Circle Diameter: 246 mm (9.69 in)
• Baffle Cutout Diameter: 230 mm (9.06 in)
• Overall Depth: 131 mm (5.16 in)
• Flange/Gasket Thickness: 11.5 mm (0.45 in)
• Impedance: 8 ohm
• Minimum Impedance: 6.8 ohm
• AES Power: 300 W
• Program Power: 600 W
• Sensitivity: 99 dB
• Frequency Range: 100:2000 kHz
• Voice Coil Diameter: 65 mm (2.56 in)
• Voice Coil Material: Al
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 12.5 mm (0.49 in)
• Magnetic Gap Depth: 10.5 mm (0.41 in)
• Surround Type: Accordion
• Spider Profile: 1x variable height waves
• Chassis Material: Aluminum
• Magnet Material: Ferrite Ring
• Demodulating Ring: Aluminum Ring
• Flux Density: 1.3 T
• Driver Displacement Volume: 2 L (0.070 ft^3)

Thiele and small parameters

• Resonance (Fs) - 60 Hz
• DC Resistance (Re) - 5.4 Ohm
• Electrical Q (Qes) - 0.23
• Mechanical Q (Qms) - 10.5
• Total Q (Qts) - 0.23
• Compliance Equivalent Volume (Vas) - 32.0 L
• Diaphragm Area (Sd) - 345 cm²
• Maximum Linear Excursion (Xmax) - 4.50 mm
• Maximum Mechanical Excursion (Xdamage) - 12.2 mm
• Moving Mass - System (Mms) - 36.5 g
• Force Factor (BL) - 18.5 Tm
• Voice Coil Inductance (Le) - 0.6 mH
• Moving Mass - Diaphragm (Mmd) - 29.3 g
• Compliance (Cms) - 0.19 mm/N
• Mechanical Resistance (Rms) - 1.3 Kg/s
• Reference Efficiency (Eta Zero) - 3.09 %
• Efficiency Bandwidth Product (EBP) - 261

Shipping Information

• Net Weight: 7.5 kg (16.6 lb)
• Shipping Weight: 8.1 kg (17.9 lb)
• Shipping Box: 294 x 290 x 203 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