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B&C Speakers 12MH32-8 – 12" Midbass 8Ω
The 12MH32-8 is a high-efficiency midbass with low distortion and wide frequency response. Optimized for horn-loaded systems, PA heads and SPL builds where power and control are crucial.
Technical information
- Size: 12" / 320mm
- Impedance: 8 Ω
- Power endurance: 400 W RMS / 800 W program
- Sensitivity: 101 dB (1W/1m)
- Frequency range: 50 Hz – 3000 Hz
- Magnet material: Ferrite
- Voice coil: 76 mm copper, fiberglass shapes
- Winding depth: 14 mm
- Magnet gap: 8 mm
- Flux density: 1.4 T
- Demodulation ring: Aluminum
Thiele/Small parameters
| Parameter | Value |
|---|---|
| Fs | 53Hz |
| RE | 5.2 Ω |
| Qes | 0.20 |
| Qms | 7.20 |
| Qts | 0.19 |
| Vase | 63 dm³ |
| Sd | 522 cm² |
| η₀ | 4.8 % |
| Xmax | 5mm |
| Xvar | 7mm |
| MMS | 54g |
| Bl | 22.3 T·m |
| Smile | 0.83 mH |
| EBP | 265Hz |
Mounting dimensions
- Outer diameter: 316 mm
- Recessed diameter: 282 mm
- Front thickness: 12.5 mm
- Depth behind front: 120.5 mm
Material
- Front chassis: Cylindrical aluminum
- Magnet type: Ferrite
- Voice coil material: Copper
- Shapes: Fiberglass
Item information
- Product code: ALT012MH328M
- SKU: 12MH32-8
- Packaging: Sold individually
- Weight: approx. 7.6 kg
Recommended use
Suitable for horn-loaded mid-bass boxes, 2-way PA systems, SPL fronts and custom builds with requirements for low distortion and high efficiency.