SPW-18125AC 18 Inch Woofer
- 4 INCH ROUND COPPER VOICE COIL
- 93.5 dB/SPL SENSITIVITY
- 700 WATT RMS
- 46 ~ 2000 Hz FREQUENCY RESPONSE
GENERAL SPECIFICATIONS
| Nominal diameter | 18 inch |
|---|---|
| Nominal impedance | 8 Ω |
| Magnet weight | 125 oz |
| Power rating | 700W RMS |
| Peak power | 1400W |
| Sensitivity | 93.5 dB |
| Frequency range | 46~2000 Hz |
| Voice coil diameter | 4 inch |
| basket material | Die Cast Aluminum |
| Magnet material | Ferrite |
| Coil material | Round Copper |
| Former material | Aluminum |
| Cone material | Paper |
| Surround material | Cloth |
SMALL SIGNAL PARAMETERS
| DC resistance(Re) | 5.1 Ω |
|---|---|
| Resonance frequency(Fs) | 46.8 |
| Moving mass(Mms) | 193.4 g |
| Compliance(Cms) | 0.06 mm/N |
| Force factor(BL) | 17.3 N/A |
| Mechanical Q-factor(Qms) | 4.91 |
| Electrical Q-factor(Qes) | 0.97 |
| Total Q-factor(Qts) | 0.81 |
| Equivalent air volume(Vas) | 140.5 L |
| Voice coil Inductance(Le) | 1.04 mH |
| Diaphragm area(Sd) | 1294.6 cm² |
Frequency Response
Impedence Curve
Dimensions
