Zv.6-18 | 2,500 WATT RMS 18" SUBWOOFER
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The Z v.6 is the second step up in Sundown's "ultra-high excursion" subwoofer lineup after the X v.3 series and replaces the world-famous Z v.5 series. All models (10,12,15,18) feature our custom tooled and patented frames (US Patent Numbers D691596, D691597, D691598, and D741841).
Sundown mates these new platform frames to a quad stacked 240mm (9.45”) diameter motor structure with a total magnet stack height of 100mm (3.94”) featuring a hyper-extended pole and extreme clearances (allowing over 4" p-p travel before mechanical bottom effectively making it bottomless). Compared to the X v.3 motor both the top & back plates are thicker allowing for even more magnetic strength and excursion potential. For the Z v.6 the top plate is another 5mm thicker than even the outgoing Z v.5 series!
This motor drives a 3" diameter 8-Layer Flat Wire Aluminum Voice Coil wound on a thick aluminum former to incredible levels of excursion. The Z v.6 now uses the same voice coil as the NS v.5 series. The Z v.5 utilized a 4-layer voice coil – the change to an 8-layer was to answer our customers desire for higher motor force (more output) and it does just that!
Based on Sundown's years of experience with the Z v.4 and Z v.5 series we've also improved the voice coil ventilation to be even more effective. The Z v.6 features a high-velocity pole vent, a heavily vented magnetic gap, and (all new for the v.6) machined channels in four places around the pole piece itself.
The Z v.6 series was designed from the ground-up to become the new standard in the low-frequency / small ported box subwoofer category in this price range. They will work in the same small enclosures that are commonly used for for Sundown Audio's subwoofers, although, they can be used with enclosures up to about 50% larger than those if you desire even more low-end extension.
The Z v.6 series is really a different kind of woofer due to its incredibly linear suspension. They are designed for the LOWEST level of bass extension possible in a small enclosure while maintaining extremely low levels of distortion.
Features:
- Xmax = 35mm one-way by 70% BL
- RMS Power = 2500-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.
Specifications:
- Resonance Frequency (Fs): 25.7 Hz
- Equivalent Volume (Vas): 150.1 L
- Electrical Q Factor (Qes): 0.54
- Mechanical Q Factor (Qms): 4.78
- Total Q Factor (Qts): 0.49
- Voice Coil Inductance (Le): 0.83 mH
- Force Factor (BL): 16.5 NA
- Moving Mass (incl. Air Load) (Mms): 458.7 g
- Suspension Compliance (Cms): 0.08 mm/N
- Sensitivity: 88.6 dB 1w / 1m
- Weight: 111LB
Box Recommendations:
- Sealed: N/A
- Ported: 7.0 cu. ft.
- Displacement: 0.26 cu. ft.
- Depth: 14.05 in
- Outside Diameter: 18.42 in
- Cutout Diameter: 16.69 in
- Recommended Tuning: 32 Hz
- Recommended Port Area: 112 sq. in
FAQ
We always reccomend a big 3 kit for every vehicle, regardless of the system. However, if you plan on running more than 1,500 watts we reccomend a good AGM battery underhood, and then from there more power will need more electrical upgrades depending on power.
