SPW-18123AC 18" Subwoofer
- 4 INCH INSIDE/OUTSIDE COPPER VOICE COIL
- 98 dB/SPL SENSITIVITY
- 900 WATT RMS
- 40 ~ 2000 Hz FREQUENCY RESPONSE
GENERAL SPECIFICATIONS
| Nominal diameter | 18 inch |
|---|---|
| Nominal impedance | 8 Ω |
| Magnet weight | 123 oz |
| Power rating | 900W RMS |
| Peak power | 1800W |
| Sensitivity | 98 dB |
| Frequency range | 40 ~ 2000 Hz |
| Voice coil diameter | 4 inch |
| Basket material | Die Cast Aluminum |
| Magnet material | Ferrite |
| Coil material | Inside/Outside Copper |
| Former material | Fiberglass |
| Cone material | Paper |
| Surround material | Cloth |
THIELE-SMALL PARAMETERS
| DC resistance(Re) | 5.1 Ω |
|---|---|
| Resonance frequency(Fs) | 43 |
| Moving mass(Mms) | 174.1 g |
| Compliance(Cms) | 0.08 mm/N |
| Force factor(BL) | 22.0 N/A |
| Mechanical Q-factor(Qms) | 7.21 |
| Electrical Q-factor(Qes) | 0.49 |
| Total Q-factor(Qts) | 0.46 |
| Equivalent air volume(Vas) | 166.4 L |
| Voice coil Inductance(Le) | |
| Diaphragm area(Sd) | 1230 cm² |
DIMENSIONS & WEIGHT
| Multipack quantity | |
|---|---|
| Multipack size W x D x H | |
| Multipack weight |
Frequency Response
Impedence Curve
Dimensions
