8″ speaker driver Woofer
Technical Specifications
Product Highlights
- 400W continuous program power capacity
- 50mm (2″) copper voice coil
- Frequency response: 90Hz – 5kHz
- Sensitivity: 98dB (1W/1m)
1. Typical Characteristics
| Parameter | Value |
|---|---|
| Nominal Diameter | 200 mm |
| Nominal Impedance | 8 Ω |
| Minimum Impedance | 7.2 Ω |
| Nominal Power Handling (AES) | 200 W |
| Sensitivity (1W/1m) | 98 dB |
| Frequency Range | 90Hz – 5kHz |
| Voice Coil Diameter | 50 mm |
| Winding Material | Copper |
| Former Material | Kapton |
| Winding Depth | 10 mm |
| Magnetic Gap Depth | 8 mm |
| Flux Density | 1.25 T |
2. Design Features
| Component | Specification |
|---|---|
| Surround Shape | Triple Roll |
| Cone Shape | Exponential |
| Magnet Material | Ceramic |
| Spider | Single |
| Pole Design | Straight Pole |
| Cone Treatment | None |
3. Technical Parameters
| Parameter | Value |
|---|---|
| Fs (Resonance Frequency) | 88 Hz |
| Re (DC Resistance) | 6 Ω |
| Qes | 0.2 |
| Qms | 3.8 |
| Qts | 0.19 |
| Vas (Equivalent Volume) | 13.0 L |
| Sd (Effective Piston Area) | 220.0 cm² |
| η0 (Efficiency) | 4.1% |
| Xmax (Linear Excursion) | 1.0 mm |
| Xvar (Maximum Excursion) | 4.5 mm |
| Mms (Moving Mass) | 18 g |
| BL (Force Factor) | 16.6 T·m |
| Le (Voice Coil Inductance @1kHz) | 0.5 mH |
| EBP (Efficiency Bandwidth Product) | 440 |
4. Mechanical & Shipping Data
| Dimension | Measurement |
|---|---|
| Overall Diameter | 225 mm |
| Bolt Circle Diameter | 210 mm |
| Baffle Cutout Diameter | 187.0 mm |
| Depth | 91 mm |
| Flange Thickness | 11 mm |
| Driver Air Volume | 1.2 L |
| Net Weight | 4.2 kg |
| Shipping Weight | 4.55 kg |
| Package Dimensions | 220×220×130 mm |
Key Advantages
✔ Professional-Grade Power Handling – 400W program power for demanding applications,It is very suitable for line array speakers.
✔ High-Efficiency Design – 98dB sensitivity delivers impactful bass
✔ Premium Copper Voice Coil – 50mm winding for superior thermal management
✔ Triple Roll Surround – Enhances linear excursion while reducing distortion
✔ Ceramic Magnet System – 1.25T flux density ensures strong motor force
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