B&C 12CLA76 12-Inch Speaker Driver - 350W RMS, 8 Ohm

The B&C 12CLA76 12-Inch Speaker Driver - now offered with a high temperature copper-clad aluminium voice coil - is rewarded with higher sensitivity and smoother high frequency response. An efficiently designed motor makes these a good fit for many more applications, especially where flown, and manufacturing design means the CLA series can be price competitive with ferrite motor designs offering similar performance.

B&C 12CLA76 12-Inch Speaker Driver Features

- 700 W continuous program power capacity
- 76 mm (3 in) copper clad aluminum voice coil
- 50 - 3000 Hz response
- 98.5 dB sensitivity
- Waterproofed on front of cone
- Ventilated voice coil gap for reduced power compression

B&C 12CLA76 12-Inch Speaker Driver Specifications

- Nominal Basket Diameter: 320 mm (12.6 inches)
- Nominal Impedance: 8 Ω
- Minimum Impedance: 6.1 Ω
- Nominal Power Handling: 350 W
- Continuous Power Handling: 700 W
- Frequency Response: 50 - 3000 Hz
- Sensitivity (1W/1m): 98.5 dB
- Voice Coil Diameter: 76 mm (3 inches)
- Winding Material: CCAW
- Former Material: Glass Fibre
- Winding Depth: 16 mm (0.63 inches)
- Magnetic Gap Depth: 11 mm (0.43 inches)
- Flux Density: 1.2 T
- Connection: Spade Terminals

Design:
- Surround shape: Triple 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: 60 Hz

Parameters:
- Fs: 52 Hz
- Re: 5.1 Ω
- Qes: 0.26
- Qms: 4.9
- Qts: 0.25
- Vas: 56.0 dm³
- Sd: 522.0 cm²
- η₀: 2.9 %
- Xmax: ± 5.3 mm
- Xvar: ± 6.5 mm
- Mms: 64.0 g
- Bl: 20.2 Txm
- Le: 0.44 mH
- EBP: 200 Hz

Physical:
- Overall diameter: 313 mm (12.32 inches)
- Bolt circle diameter: 299 mm (11.77 inches)
- Baffle cutout diameter: 283 mm (11.14 inches)
- Depth: 143 mm (5.63 inches)
- Flange and gasket thickness: 9 mm (0.35 inches)
- Air volume occupied by driver: 2.3 dm³
- Net weight: 3.3 kg