B&C 8NDL64 8-Inch Loudspeaker Driver - 350W RMS, 8 Ohm

The B&C 8NDL64 8-Inch Loudspeaker Driver boasts legendary B&C technology made with their famously critical quality control, allowing loudspeaker designs with appropriately scaled performance.

B&C 8NDL64 8-Inch Low Frequency Driver Features

- 700 W continuous program power capacity
- 64 mm (2.5 inch) copper voice coil
- 80 - 4000 Hz response
- 97 dB sensitivity
- Neodymium inside slug magnet assembly
- Shorting copper cap for extended HF response
- Ventilated voice coil gap for reduced power compression

B&C 8NDL64 8-Inch Low Frequency Driver Specifications

- Nominal Basket Diameter: 200 mm (8 inches)
- Nominal Impedance: 8 Ω
- Minimum Impedance: 7.2 Ω
- Nominal Power Handling: 350 W
- Continuous Power Handling: 700 W
- Frequency Response: 80 - 4000 Hz
- Sensitivity (1W/1m): 97.0 dB
- Voice Coil Diameter: 64 mm (2.5 inches)
- Winding Material: Copper
- Former Material: Glass Fibre
- Winding Depth: 14 mm (0.55 inches)
- Magnetic Gap Depth: 8.0 mm (0.31 inches)
- Flux Density: 1.25 T
- Connection: Spade Terminals

Design:
- Surround shape: Double Roll
- Cone shape: Exponential
- Magnet material: Neodymium Inside Slug
- Spider: Single
- Pole design: T-Pole
- Woofer cone treatment: WP Waterproof Front Side
- Recommended enclosure: 10.0 dm³ (0.35 ft³)
- Recommended tuning: 85 Hz

Parameters:
- Fs: 80 Hz
- Re: 5.4 Ω
- Qes: 0.25
- Qms: 10.91
- Qts: 0.25
- Vas: 9.6 dm³
- Sd: 220.0 cm²
- η₀: 1.88 %
- Xmax: ± 4.5 mm
- Xvar: ± 5.0 mm
- Mms: 28.0 g
- Bl: 17.5 Txm
- Le: 0.62 mH
- EBP: 320 Hz

Physical:
- Overall diameter: 225 mm (8.86 inches)
- Bolt circle diameter: 210 mm (8.27 inches)
- Baffle cutout diameter: 187 mm (7.36 inches)
- Depth: 95 mm (3.74 inches)
- Flange and gasket thickness: 10 mm (0.39 inches)
- Air volume occupied by driver: 1.5 dm³
- Net weight: 2.8 kg