Technical specifications

• Nominal Diameter: 250 mm (10 in)
• Overall Diameter: 260 mm (10.24 in)
• Bolt Circle Diameter: 246 mm (9.69 in)
• Baffle Cutout Diameter: 233 mm (9.17 in)
• Overall Depth: 110 mm (4.33 in)
• Flange/Gasket Thickness: 7 mm (0.28 in)
• Impedance: 8 ohm
• Minimum Impedance: 6.8 ohm
• AES Power: 250 W
• Program Power: 500 W
• Sensitivity: 96 dB
• Frequency Range: 50:4000 kHz
• Voice Coil Diameter: 52 mm (2.05 in)
• Voice Coil Material: Al
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 13.7 mm (0.54 in)
• Magnetic Gap Depth: 8 mm (0.31 in)
• Surround Type: Triple Roll
• Spider Profile: 1x variable height waves
• Chassis Material: Steel
• Magnet Material: Ferrite Ring
• Demodulating Ring: No
• Flux Density: 1.1 T
• Driver Displacement Volume: 1.25 L (0.044 ft^3)

Thiele and small parameters

• Resonance (Fs) - 50 Hz
• DC Resistance (Re) - 5.8 Ohm
• Electrical Q (Qes) - 0.54
• Mechanical Q (Qms) - 13.1
• Total Q (Qts) - 0.52
• Compliance Equivalent Volume (Vas) - 50.5 L
• Diaphragm Area (Sd) - 358 cm²
• Maximum Linear Excursion (Xmax) - 5.52 mm
• Maximum Mechanical Excursion (Xdamage) - 13.1 mm
• Moving Mass - System (Mms) - 35.9 g
• Force Factor (BL) - 11.3 Tm
• Voice Coil Inductance (Le) - 0.6 mH
• Moving Mass - Diaphragm (Mmd) - 28.2 g
• Compliance (Cms) - 0.28 mm/N
• Mechanical Resistance (Rms) - 0.9 Kg/s
• Reference Efficiency (Eta Zero) - 1.20 %
• Efficiency Bandwidth Product (EBP) - 93

Shipping Information

• Net Weight: 3.2 kg (7.1 lb)
• Shipping Weight: 3.7 kg (8.2 lb)
• Shipping Box: 282 x 280 x 155 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