Technical specifications

• Nominal Diameter: 250 mm (10 in)
• Overall Diameter: 256.8 mm (10.11 in)
• Bolt Circle Diameter: 243.8 mm (9.60 in)
• Baffle Cutout Diameter: 233.3 mm (9.19 in)
• Overall Depth: 102 mm (4.02 in)
• Flange/Gasket Thickness: 8 mm (0.31 in)
• Impedance: 4 ohm
• Minimum Impedance: 3.6 ohm
• AES Power: 150 W
• Program Power: 300 W
• Sensitivity: 96 dB
• Frequency Range: 50:4500 kHz
• Voice Coil Diameter: 37 mm (1.46 in)
• Voice Coil Material: Al
• Voice Coil Former: Kapton
• Voice Coil Depth: 11.9 mm (0.47 in)
• Magnetic Gap Depth: 8 mm (0.31 in)
• Surround Type: Accordion
• Spider Profile: 1x constant height waves
• Chassis Material: Steel
• Magnet Material: Ferrite Ring
• Demodulating Ring: No
• Flux Density: 1 T
• Driver Displacement Volume: 0.6 L (0.021 ft^3)

Thiele and small parameters

• Resonance (Fs) - 55 Hz
• DC Resistance (Re) - 3 Ohm
• Electrical Q (Qes) - 0.52
• Mechanical Q (Qms) - 9.2
• Total Q (Qts) - 0.49
• Compliance Equivalent Volume (Vas) - 61.0 L
• Diaphragm Area (Sd) - 360 cm²
• Maximum Linear Excursion (Xmax) - 4.62 mm
• Maximum Mechanical Excursion (Xdamage) - 10.4 mm
• Moving Mass - System (Mms) - 24.8 g
• Force Factor (BL) - 7 Tm
• Voice Coil Inductance (Le) - 0.30 mH
• Moving Mass - Diaphragm (Mmd) - 17.1 g
• Compliance (Cms) - 0.34 mm/N
• Mechanical Resistance (Rms) - 0.9 Kg/s
• Reference Efficiency (Eta Zero) - 1.88 %
• Efficiency Bandwidth Product (EBP) - 106

Shipping Information

• Net Weight: 2.2 kg (4.9 lb)
• Shipping Weight: 2.6 kg (5.7 lb)
• Shipping Box: 282 x 280 x 140 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