B&C 12CL64 12-Inch Speaker Driver - 250W RMS, 8 Ohm

The B&C 12CL64 12-Inch Speaker Driver boasts legendary B&C technology made with their famously critical quality control, allowing loudspeaker designs with appropriately scaled performance.

B&C 12CL64 12-Inch Speaker Driver Features

- 500 W continuous program power capacity
- 64 mm (2.5 in) copper voice coil
- 50 - 3000 Hz response
- 98 dB sensitivity
- Waterproofed on front of cone

B&C 12CL64 12-Inch Speaker Driver Specifications

- Nominal Basket Diameter: 320 mm (12.6 inches)
- Nominal Impedance: 8 Ω
- Minimum Impedance: 6.3 Ω
- Nominal Power Handling: 250 W
- Continuous Power Handling: 500 W
- Frequency Response: 50 - 3000 Hz
- Sensitivity (1W/1m): 98.0 dB
- Voice Coil Diameter: 64 mm (2.5 inches)
- Winding Material: Copper
- Former Material: Glass Fibre
- Winding Depth: 13 mm (0.51 inches)
- Magnetic Gap Depth: 8 mm (0.31 inches)
- Flux Density: 1.15 T
- Connection: Spade Terminals

Design:
- Surround shape: Double Roll
- Cone shape: Exponential
- Magnet material: Neodymium Inside Slug
- Spider: Single
- Pole design: Straight Pole
- Woofer cone treatment: WP Waterproof Front Side
- Recommended enclosure: 40.0 dm³
- Recommended tuning: 64 Hz

Parameters:
- Fs: 52 Hz
- Re: 5.5 Ω
- Qes: 0.32
- Qms: 4.3
- Qts: 0.3
- Vas: 64.0 dm³
- Sd: 522.0 cm²
- η₀: 3.4 %
- Xmax: ± 4.5 mm
- Xvar: ± 6.0 mm
- Mms: 55.0 g
- Bl: 17.5 Txm
- Le: 1.1 mH
- EBP: 162 Hz

Physical:
- Overall diameter: 313 mm (12.32 inches)
- Bolt circle diameter: 299 mm (11.77 inches)
- Baffle cutout diameter: 282 mm (11.1 inches)
- Depth: 133 mm (5.24 inches)
- Flange and gasket thickness: 9 mm (0.35 inches)
- Air volume occupied by driver: 2.0 dm³
- Net weight: 1.9 kg