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: 232 mm (9.13 in)
• Overall Depth: 141.3 mm (5.56 in)
• Flange/Gasket Thickness: 12.5 mm (0.49 in)
• Impedance: 4 ohm
• Minimum Impedance: 4 ohm
• AES Power: 500 W
• Program Power: 1000 W
• Sensitivity: 96 dB
• Frequency Range: 60:4000 kHz
• Voice Coil Diameter: 77 mm (3 in)
• Voice Coil Material: Al
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 18 mm (0.71 in)
• Magnetic Gap Depth: 10.5 mm (0.41 in)
• Surround Type: Triple Roll
• Spider Profile: 1x constant height waves
• Chassis Material: Aluminum
• Magnet Material: Neodymium Slug
• Demodulating Ring: No
• Flux Density: 1.2 T
• Driver Displacement Volume: 1.6 L (0.057 ft^3)

Thiele and small parameters

• Resonance (Fs) - 60 Hz
• DC Resistance (Re) - 3.3 Ohm
• Electrical Q (Qes) - 0.26
• Mechanical Q (Qms) - 6.2
• Total Q (Qts) - 0.25
• Compliance Equivalent Volume (Vas) - 24.2 L
• Diaphragm Area (Sd) - 351 cm²
• Maximum Linear Excursion (Xmax) - 7.25 mm
• Maximum Mechanical Excursion (Xdamage) - 12.5 mm
• Moving Mass - System (Mms) - 50.1 g
• Force Factor (BL) - 15.5 Tm
• Voice Coil Inductance (Le) - 0.64 mH
• Moving Mass - Diaphragm (Mmd) - 42.7 g
• Compliance (Cms) - 0.14 mm/N
• Mechanical Resistance (Rms) - 3.0 Kg/s
• Reference Efficiency (Eta Zero) - 1.95 %
• Efficiency Bandwidth Product (EBP) - 231

Shipping Information

• Net Weight: 3.4 kg (7.5 lb)
• Shipping Weight: 4 kg (8.8 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