SPW-840SC 8 Inch Woofer
- 1 INCH ROUND COPPER VOICE COIL
- 89.1 dB/SPL SENSITIVITY
- 200 WATT RMS
- 58 - 4200 Hz FREQUENCY RESPONSE
- 松压盆
GENERAL SPECIFICATIONS
| Nominal diameter | 8 inch |
|---|---|
| Nominal impedance | 8 Ω |
| Magnet weight | 40 oz |
| Power rating | 120W RMS |
| Peak power | 240W |
| Sensitivity | 89.1 dB |
| Frequency range | 58~4200 Hz |
| Voice coil diameter | 1 inch |
| basket material | Steel |
| Magnet material | Ferrite |
| Coil material | Round Copper |
| Former material | Aluminum |
| Cone material | Paper |
| Surround material | Cloth |
SMALL SIGNAL PARAMETERS
| DC resistance(Re) | 7.2 Ω |
|---|---|
| Resonance frequency(Fs) | 83.0 Hz |
| Moving mass(Mms) | 17.8 g |
| Compliance(Cms) | 0.21 mm/N |
| Force factor(BL) | 6.8 N/A |
| Mechanical Q-factor(Qms) | 7.67 |
| Electrical Q-factor(Qes) | 1.45 |
| Total Q-factor(Qts) | 1.22 |
| Equivalent air volume(Vas) | 13.6 L |
| Voice coil Inductance(Le) | 0.54 mH |
| Diaphragm area(Sd) | 216.4 cm² |
Frequency Response
Impedence Curve
Dimensions
