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The Z v.5 is the second step up in Sundown's "ultra-high excursion" subwoofer lineup after the X v.2 series and replaces the world-famous Z v.4 series. The 10, 12, 15, and 18" models all feature of Sundown's custom tooled and patented frames.
Sundown mates these new platform frames to a triple stacked 234mm (9.21”) diameter motor structure with a total magnet stack height of 102mm (4.01”) 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.2 motor both the top & back plates are thicker allowing for even more magnetic strength and excursion potential.
This motor drives a 3" diameter 4-Layer Flat Wire Aluminum Voice Coil wound on a thick aluminum former to incredible levels of excursion. The Z v.5 now uses the same voice coil as the NS v.3 series – which means it is now a much longer 4-layer vs. a shorter 8-layer. The 4-Layer coil is able to shed heat faster, has a much lower inductance, and less mass all while being much longer allowing for a higher linear excursion and thus less distortion. They also leveraged the much larger motor to keep total motor force slightly higher than the Z v.4 Rev.2 while also having all of the other advantages listed prior.
Compared to the Z v.4 Rev.2 Sundown also increased the thickness of the Magnet ID shorting ring by 33% to further reduce static inductance and inductive distortion. Based on Sundown's years of experience with the Z v.4 series they've improved voice coil ventilation to be even more effective and features reduced turbulence in order to reduce voice coil temperatures and increase reliability.
The Z v.5 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.5 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.
- Sundown Audio Z-12 V.5 D2 Car Subwoofer
- Power Handling:
- RMS: 2000 Watts
- Voice coli configuration: Dual 1 Ohm
- Xmax = 35mm one-way by 70% BL
- Heavily vented magnetic gap
- Spring Loaded Terminals
- Optimized high-velocity pole vent
- Innovative high-velocity vented frame spacer ring
- Black aluminum 3 inch 4-layer voice coil
- Mega-Roll v.2 surround
- Custom tooled six spoke basket
- Large aluminum Faraday (shorting) Ring
- Stitched-On Double-XL Tinsel Leads to prevent fatigue and failure
- Top Mount Depth: 11.99"
- Recommended Ported Box: 2.50 cubic ft.
- Woofer Displacement: 0.23 cubic ft.
- Outside Diameter: 12.67"
- Cutout Diameter: 11.09"
- Recommended Tuning Frequency: 32hz
- Recommended Port Area: 40 in^2