Technical specifications

• Nominal Diameter: 200 mm (8in)
• Overall Diameter: 209 mm (8.23in)
• Bolt Circle Diameter: 197.5 mm (7.78in)
• Baffle Cutout Diameter: 183 mm (7.20in)
• Overall Depth: 95 mm (3.74in)
• Flange/Gasket Thickness: 7 mm (0.28in)
• Impedance: 4 ohm
• Minimum Impedance: 3.8 ohm
• AES Power: 250 W
• Program Power: 500 W
• Sensitivity: 93 dB
• Frequency Range: 80:5000 Hz
• Voice Coil Diameter: 52 mm (2.05in)
• Voice Coil Material: Al
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 13.6 mm (0.54in)
• Magnetic Gap Depth: 8 mm (0.31in)
• Surround Type: Triple
• Spider Profile: 1x variable height waves
• Chassis Material: Steel
• Magnet Material: Ferrite Ring
• Demodulating Ring: No
• Flux Density: 1.1 T
• Driver Displacement Volume: 0.7 L (0.025ft^3)

Thiele and small parameters

• Resonance (Fs) - 70 Hz
• DC Resistance (Re) - 3.3 Ohm
• Electrical Q (Qes) - 0.43
• Mechanical Q (Qms) - 11.1
• Total Q (Qts) - 0.41
• Compliance Equivalent Volume (Vas) - 14.0 L
• Diaphragm Area (Sd) - 223 cm²
• Maximum Linear Excursion (Xmax) - 5.47 mm
• Maximum Mechanical Excursion (Xdamage) - 11.6 mm
• Moving Mass - System (Mms) - 25.7 g
• Force Factor (BL) - 9.7 Tm
• Voice Coil Inductance (Le) - 0.36 mH
• Moving Mass - Diaphragm (Mmd) - 21.9 g
• Compliance (Cms) - 0.20 mm/N
• Mechanical Resistance (Rms) - 1.0 Kg/s
• Reference Efficiency (Eta Zero) - 1.17 %
• Efficiency Bandwidth Product (EBP) - 163

Shipping Information

• Net Weight: 3.04 kg (6.7lb)
• Shipping Weight: 3.2 kg (7.1lb)
• Shipping Box: 227 x 224 x 113 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