Sundown Audio Z-18 V.5 D2 18" 2000 Watts RMS Dual 2-Ohm Z-V.5 Series Subwoofer
- SKU #: 01031
Features and Specifications:
- Xmax = 35mm one-way by 70% BL
- RMS Power = 2000-watts
- * Heavily vented magnetic gap
- * Optimized high-velocity pole vent
- * Innovative high-velocity vented frame spacer ring
- Black Aluminum 3” voice coil former for superior heat dissipation
- High Temperature 4-Layer Aluminum Flat Wire Voice Coil (Made in USA)
- Large aluminum Faraday Ring (Magnet ID)
- Pole Cap Faraday Ring / Air-Flow Optimization Plug
- Spring Loaded Terminals
- Stitched-On Double-XL Tinsel Leads to prevent fatigue and failure
- Mega-Roll v.2 Surround Technology
- High strength, custom tooled & patented cast aluminum frame
- Optimized for small ported & band-pass enclosures
- * -- These features combine to create the optimized coil ventilation system.
Box Specification Recommendations:
- Sealed: N/A
- Ported: 7.00 ft^3
- Displacement: 0.26 ft^3
- Depth: 11.39"
- Outside Diameter: 18.42"
- Cut-Out: 16.69"
- Recommended Tuning: 32hz
- Recommended Port Area: 112 in^2
| DC Resistance (Re) | Ω | 4.0 |
|---|---|---|
| Resonance Frequency (Fs) | Hz | 25.0 |
| Equivalent Volume (Vas) | L | 156.2 |
| Electrical Q Factor (Qes) | 0.58 | |
| Mechanical Q Factor (Qms) | 5.07 | |
| Total Q Factor (Qts) | 0.52 | |
| Voice Coil Inductance (Le) | mH | 1.65 |
| Force Factor (BL) | NA | 22.5 |
| Moving Mass (incl. Air Load) (Mms) | g | 467 |
| Suspension Compliance (Cms) | mm/N | 0.09 |
| Sensitivity | 1w / 1m | 88.1 dB |
| Sealed Enclosure Suggestion | cu. ft. | N/A |
| Ported Enclosure Suggestion | cu. ft. | 7.0 |
| Displacement | cu. ft. | 0.26 |
| Depth | in | 14.05 |
| Outside Diameter | in | 18.42 |
| Cutout | in | 16.69 |
| Recommended Tuning | Hz | 32 |
| Recommended Port Area | sq. in | 112 |
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