21SW152-4NW BASS/MID RANGE DRIVER
KEY FEATURES:
- 96dB 1W/1m sensitivity
- 2500W AES power handling
- 30Hz-1kHz frequency response
- 153mm (6.0in) 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 V for 4 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 | 21SW152-4NW |
| Nominal Diameter | 550mm (21in) |
| Nominal Impedance | 4Ω |
| Minimum Impedance | 4.2Ω |
| AES Power Handling1 | 2500W |
| Maximum Power Handling2 | 5000W |
| Sensitivity (1W/1m)3 | 96dB |
| Resonance Frequency | 30Hz |
| Frequency Range | 30Hz-1kHz |
| Voice Coil Diameter | 153mm |
| Winding Material | Copper |
| Former Material | Glass Fiber |
| Winding Depth | 30mm |
| Magnetic Gap Depth | 12mm |
| Xmax4 | 13mm |
| Flux Density | 1.15T |
| 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 | 18kg |
Frequency Response Curve
Impedance Curve
TS Parameters5
| Model Number | 21SW152-4NW |
| Fs | 29Hz |
| Re | 3.2Ω |
| Le | 0.89mH |
| Mms | 510g |
| Mmd | 432g |
| Cms | 0.06mm/N |
| BL | 29.6Tm |
| Qms | 22.6 |
| Qes | 0.35 |
| Qts | 0.34 |
| Vas | 225L |
| Ref. Efficiency | 1.6% |
| Sd | 1680cm2 |
| EBP | 82Hz |
Mechanical Drawing
Additional information
| Series | SW SERIES |
|---|---|
| Diameter | 21in |
| Nominal Impedance | 8Ω |
| Continuous Power Handling | 2500W |
| Voice Coil Diameter | 153mm |
| Maximum Excursion | 13mm |
| Magnet Material | Neodymium Inside Slug |
Reviews
There are no reviews yet.