18SW100-8NW BASS/MID RANGE DRIVER
KEY FEATURES:
- 97.5dB 1W/1m sensitivity
- 1200W AES power handling
- 35Hz-1kHz frequency response
- 99.3mm (4.0in) copper voice coil
- Lightweight neodymium inside slug motor system
- Aluminum demodulating ring for lower distortion
- Double silicon spider for superior excursion control and linearity
- Heavy-duty cast aluminum chassis for increased rigidity
- Suitable for high SPL subwoofer designs
Description
NOTES:
1、Two hours test according to AES 2-1984 Rev. 2003. Power calculated on rated minimum impedance.
2、Maximum power is defined as 3dB greater than Nominal power.
3、Applied RMS Voltage is set to 2.83 V for 8 ohms Nominal Impedance.
4、Xmax= [(winding depth – magnetic gap depth)/2] + (magnetic gap depth/3).
5、Thiele-Small parameters are measured after a preconditioning test.
6、Power test made with continuous pink noise signal within the frequency range.
General Specifications
| Part Number | 18SW100-8NW |
| Nominal Diameter | 460mm (18in) |
| Nominal Impedance | 8Ω |
| Minimum Impedance | 6.4Ω |
| AES Power Handling1 | 1200W |
| Maximum Power Handling2 | 2400W |
| Sensitivity (1W/1m)3 | 97.5dB |
| Resonance Frequency | 35Hz |
| Frequency Range | 35Hz-1kHz |
| Voice Coil Diameter | 99.3mm |
| Winding Material | Copper |
| Former Material | Glass Fiber |
| Winding Depth | 28.6mm |
| Magnetic Gap Depth | 12.5mm |
| Xmax4 | 12.2mm |
| Flux Density | 1.1T |
| Basket Material | Cast Aluminum |
| Magnet Material | Neodymium Inside Slug |
| Suspension Material | Double Fabric |
| Surround Material | W-Roll Cloth-sealed |
| Cone Material | Curvilinear Paper |
| Net Weight | 8.6kg |
Frequency Response Curve
Impedance Curve
TS Parameters5
| Model Number | 18SW100-8NW |
| Fs | 35Hz |
| Re | 5.3Ω |
| Le | 0.89mH |
| Mms | 228g |
| Mmd | 204g |
| Cms | 0.09mm/N |
| BL | 25.2Tm |
| Qms | 6.5 |
| Qes | 0.41 |
| Qts | 0.39 |
| Vas | 192L |
| Ref. Efficiency | 1.9% |
| Sd | 1225cm2 |
| EBP | 85Hz |
Mechanical Drawing
Additional information
| Series | SW SERIES |
|---|---|
| Diameter | 18in |
| Nominal Impedance | 8Ω |
| Continuous Power Handling | 1200W |
| Voice Coil Diameter | 99.3mm |
| Maximum Excursion | 12.2mm |
| Magnet Material | Neodymium Inside Slug |
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