Technical specifications

• Nominal Diameter: 450 mm (18 )
• Overall Diameter: 460 mm
• Bolt Circle Diameter: 440 mm
• Baffle Cutout Diameter: 416 mm
• Overall Depth: 210 mm
• Flange/Gasket Thickness: 27 mm
• Impedance: 8 ohm
• Program Power: 2000 W
• Power: 1000 W
• Sensitivity: 91.5 dB
• Frequency Range: 20-200 Hz
• Voice Coil Diameter: 100 mm (4 in)
• Voice Coil Former: Kapton
• Voice Coil Depth: 32 mm
• Magnetic Gap Depth: 10 mm
• Surround Material: Nomex
• Ferrofluid: Copper
• Terminals: Push
• Mounting Holes: 8

Thiele and small parameters

• Efficiency Bandwidth Product (EBP) - 65
• Resonance (Fs) - 36 Hz
• DC Resistance (Re) - 7 Ohm
• Mechanical Q (Qms) - 6.7
• Electrical Q (Qes) - 0.55
• Total Q (Qts) - 0.5
• Force Factor (BL) - 32.5 Tm
• Moving Mass - Diaphragm (Mmd) - 377 g
• Cas (Cas) - 93
• Dd (Dd) - 380
• Diaphragm Area (Sd) - 1134 cm²
• Maximum Linear Excursion (Xmax) - 14 mm
• Voice Coil Inductance (Le) - 3 mH
• Reference Efficiency (Eta Zero) - 0.73 %

Shipping Information

• Net Weight: 15.7 kg