B&C 12MH32 12-Inch Speaker Driver - 400W RMS, 8 Ohm, Spring Terminals

The B&C 12MH32 12-Inch Speaker Driver boasts legendary B&C technology made with their famously critical quality control, allowing loudspeaker designs with appropriately scaled performance.

Recone Kit: JP61484 (B&C RCK12MH328)

B&C 12MH32 12-Inch Speaker Driver Features

- 800 W continuous program power capacity
- 76 mm (3 in) copper voice coil
- 50 - 3000 Hz response
- 101 dB sensitivity
- Aluminium demodulating ring allows a very low distortion figure

B&C 12MH32 12-Inch Speaker Driver Specifications

- Nominal Basket Diameter: 320 mm (12.6 inches)
- Nominal Impedance: 8 Ω
- Minimum Impedance: 6.5 Ω
- Nominal Power Handling: 400 W
- Continuous Power Handling: 800 W
- Frequency Response: 50 - 3000 Hz
- Sensitivity (1W/1m): 101.0 dB
- Voice Coil Diameter: 76 mm (3 inches)
- Winding Material: Copper
- Former Material: Glass Fibre
- Winding Depth: 14 mm (0.55 inches)
- Magnetic Gap Depth: 8 mm (0.31 inches)
- Flux Density: 1.4 T
- Connection: Spring Terminals

Design:
- Surround shape: Double Roll
- Cone shape: Radial
- Magnet material: Ferrite
- Spider: Single
- Pole design: T-Pole
- Woofer cone treatment: None

Parameters:
- Fs: 53 Hz
- Re: 5.2 Ω
- Qes: 0.2
- Qms: 7.2
- Qts: 0.19
- Vas: 63.0 dm³
- Sd: 522.0 cm²
- η₀: 4.8 %
- Xmax: ± 5.0 mm
- Xvar: ± 7.0 mm
- Mms: 54.0 g
- Bl: 22.3 Txm
- Le: 0.83 mH
- EBP: 265 Hz

Physical:
- Overall diameter: 316 mm (12.4 inches)
- Bolt circle diameter: 296 mm (11.6 inches)
- Baffle cutout diameter: 282 mm (11.1 inches)
- Depth: 133 mm (5.24 inches)
- Flange and gasket thickness: 12 mm (0.47 inches)
- Net weight: 8.5 kg