B & C 10NDL88 - 500W 8 Ohm Loudspeaker

Technical specifications

• Nominal Diameter: 250 mm (10.0 )
• Overall Diameter: 261 mm (10.28 )
• Bolt Circle Diameter: 245 mm (9.65 )
• Baffle Cutout Diameter: 230.0 mm (9.06 )
• Overall Depth: 128 mm (5.04 )
• Flange/Gasket Thickness: 15 mm (0.59 )
• Impedance: 8 ohm
• Minimum Impedance: 6.3 ohm
• Program Power: 1000 W
• Power: 500 W
• Sensitivity: 96.0 dB
• Frequency Range: 61 Hz
• Voice Coil Diameter: 88 mm (3.5 )
• Voice Coil Material: Aluminium
• Voice Coil Former: Glass Fibre
• Voice Coil Depth: 21.7 mm (0.85 )
• Magnetic Gap Depth: 11.0 mm (0.43 )
• Cone Shape: Curvilinear
• Cone Treatment: WP Waterproof Front Side
• Surround Type: Triple Roll
• Spider: Double Silicone
• Pole Design: T-Pole
• Flux Density: 1.05 T
• Driver Displacement Volume: 1.5 L
• Recommended Enclosure: 20.0
• Recommended Tuning: 70

Thiele and Small parameters:  Need some help? Read our quick guide to TS Params.

• Resonance (Fs) - 61 Hz
• DC Resistance (Re) - 5.1 Ohm
• Electrical Q (Qes) - 0.26
• Mechanical Q (Qms) - 7.3
• Total Q (Qts) - 0.25
• Compliance Equivalent Volume (Vas) - 18.4 L
• Diaphragm Area (Sd) - 320.0 cm²
• Reference Efficiency (Eta Zero) - 1.59 %
• Maximum Linear Excursion (Xmax) - 8.1 mm
• Xvar (Xvar) - 7.5
• Moving Mass - System (Mms) - 53.5 g
• Force Factor (BL) - 20.0 Tm
• Voice Coil Inductance (Le) - 1.18 mH
• Efficiency Bandwidth Product (EBP) - 234

Shipping Information

• Net Weight: 4.6 kg
• Shipping Weight: 5.2 kg
• Shipping Box: 295x314x175
• Multipack Quantity: 1