Sundown Audio NS-18 V.4 D1 18" 2500 Watt RMS Dual 1-Ohm Nightshade V.4 Series Subwoofer
- SKU #: 01894
- Sundown Audio NS-18 V.4 D1 2500W RMS Dual 1-Ohm Subwoofer
- Description TBA
| DC Resistance (Re) | Ω | 1.3 |
|---|---|---|
| Resonance Frequency (Fs) | Hz | 30.89 |
| Equivalent Volume (Vas) | L | 97.43 |
| Electrical Q Factor (Qes) | 0.421 | |
| Mechanical Q Factor (Qms) | 4.5169 | |
| Total Q Factor (Qts) | 0.3853 | |
| Voice Coil Inductance (Le) | mH | 1.049 |
| Force Factor (BL) | NA | 17.36 |
| Moving Mass (incl. Air Load) (Mms) | g | 502.85 |
| Suspension Compliance (Cms) | μm/N | 52.76 |
| Sensitivity | 1w / 1m | 90.08 dB |
| Sealed Enclosure Suggestion | cu. ft. | N/A |
| Ported Enclosure Suggestion | cu. ft. | 7.00 |
| Displacement | cu. ft. | TBA |
| Depth | in | TBA |
| Outside Diameter | in | 18.42 |
| Cutout | in | 16.69 |
| Recommended Tuning | Hz | 32 |
| Recommended Port Area | sq. in | 112 |
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