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Sundown Audio U-12 D2 12" 1500W RMS Dual 2-Ohm U-Series Subwoofer

Details
Speaker Type
Surround Sound, Subwoofer, Woofer
Vehicle Speaker Size
12 inch
Audio Output Mode
Surround

Description
Finalized terminal spacing, basket color, venting, cast aluminum surround clamp rings, etc. After about a year of work I think the U series maybe ready to start production soon. Stay tuned for more updates! This will be our new series to bridge the gap from the SA to the X v.2 series -- it is also the most direct replacement for the discontinued Z v.3 series but at a much lower price. They use the same voice coil as the X v.2 series; therefore RMS power is 1500-watts rated conservatively. The motor is a similar design to the X v.2 series with one less magnet slug since it isn't needed for use on these frames & soft parts. It also retains a magnet ID shorting ring just like the X v.2 series motor. I have tooled 4 new cone bodies & surrounds to mate up to an entirely different frame tooling from the 1st prototypes. These surrounds are based on the Z v.3 18" surround geometry as this has been our go-to cone for SPL (we use those cones in our Terra for our World Record in SS 3-4 class). We also have tooled the cones to support the same wide-flange dust caps we use on all the new platform drivers. They also feature custom tooled cast aluminum vent spacers to mate up correctly to these frames. We tooled 2 different spacers for this line. Another new feature (also fully custom tooled) is the cast aluminum surround bolt-on ring. We tooled one for each size U series. These woofers will have a similar sound to the Z v.3 series -- meaning they do not have the "new platform" sound of the X, Z, NS, etc.

Features & details
* Specifications: DC Resistance (Re): 3.8 Ω | Resonance Frequency (Fs): 42.2 Hz | Equivalent Volume (Vas): 17.9 L | Electrical Q Factor (Qes): 0.30 | Mechanical Q Factor (Qms): 2.67 | Total Q Factor (Qts): 0.27 | Force Factor (BL): 31.2 NA | Moving Mass (incl. Air Load) (Mms): 290.2 g | Suspension Compliance (Cms): 0.05 mm/N | Sensitivity: 88.4 dB 1w / 1m
* Box Recommendations: Sealed Enclosure Suggestion: 1.0 cu. ft. | Ported Enclosure Suggestion: 2.0 cu. ft. | Displacement: 0.21 cu. ft. | Depth: 7.75 in | Outside Diameter: 12.83 in | Cutout: 11.01 in | Recommended Tuning: 32 Hz | Recommended Port Area: 32 sq. in.
PM for more details.

wag ka magulat sa price! magulat ka sa tunog😏

Details
Speaker Type
Subwoofer
Vehicle Speaker Size
10 Inch
Speaker Maximum Output Power
500 Watts
Speaker Nominal Output Power
500 Watts
Model Number
SA-8 V.3 D2

Features & details
* Specifications: DC Resistance (Re): 3.36 Ω | Resonance Frequency (Fs): 38.29 Hz | Equivalent Volume (Vas): 6.88 L | Electrical Q Factor (Qes): 0.324 | Mechanical Q Factor (Qms): 6.310 | Total Q Factor (Qts): 0.309 | Force Factor (BL): 18.94 NA | Moving Mass (incl. Air Load) (Mms): 144 g | Suspension Compliance (Cms): 120 μm/N | Sensitivity: 82.79 dB 1w / 1m
* Box Recommendations: Sealed Enclosure Suggestion: Not Recommended | Ported Enclosure Suggestion: 0.5 - 0.75 cu. ft. @ 35 Hz | Displacement: 0.08 cu. ft. | Depth: 6.625 in |Outside Diameter: 8.375 in | Cutout: 7.375 in
PM for details.

We like to party 🎉

VERY CONSERVATIVELY RATED AT "2000W RMS"


The Z v.5 is the second step up in our “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 our custom tooled and patented frames (US Patent Numbers D691596, D691597, D691598, and D741841).

We mate 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 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 in the stock configuration – which means it is now a much longer 4-layer compared to a shorter 8-layer found in the Z v.4 series. The 4-Layer coil is able to shed heat faster, has a much lower inductance, and has less mass all while allowing for a higher linear excursion and thus significantly less distortion. We leveraged the much larger motor to keep total motor force similar to the Z v.4 Rev.2 while also having all of the other advantages listed prior. We do also offer an optional 8-layer coil that offers a significantly higher motor force factor & thus a lower Qts.

Compared to the Z v.4 Rev.2 we also increased the thickness of the Magnet ID shorting ring by 33% to further reduce static inductance and inductive distortion over strong. Based on our years of experience with the Z v.4 series we improved the voice coil ventilation to be even more effective and feature reduced turbulence in order to reduce voice coil temperatures & 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 you are used to using for Sundown Audio subwoofers, although, the will tolerate 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.


T/S SPECS Zv5 12″ D1 Zv5 12″ D2
RE (Ohms) 2.0 4.0
FS (Hz) 33.0 35.6
VAS (L) 21.1 17.6
Qes 0.52 0.53
Qms 3.63 4.33
Qts 0.46 0.47
Le (mH) 0.73 1.78
BL (NA) 15.2 22.5
Mms (Grams) 291.5 298.7
Cms (uM/N) 0.08 0.07
Sens (dB @ 1w/1m) 83.4db 83.6db


ENCLOSURE SPECIFICATIONS
Sealed Enclosure Not Recommended
Ported Enclosure 2.5 cu ft
Recommended Tuning 32Hz
Recommended Port Area 40 sq in
Displacement 0.23 cu ft
Depth 10.5″
Outside Diameter 12.67″
Cut-Out 11.09″

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pm lang mga ka pudpud 😉
pre-order lang po tayo☺️
☎️+63 929 490 9051

Alpine W10S4 10" 750 Watt Peak 250 Watt RMS 4-Ohm Car Audio Subwoofer Sub
ready to ship anytime.
we only accept pre-order

☎️+63 929 490 9051

Made from highest quality A356 cast-aluminum
Larger Plenum and oversized runners for maximum power gains
Improved airflow and enhanced venturi effect
Bolt-on fitment compatible with all OEM sensors
66mm throttle body opening can be port-matched up to 70mm
Ideal for turbocharged and naturally aspirated applications
**Not compatible with OEM D-series throttle body. Must use larger-bore Skunk2 throttle body or similar
Fitment: 1988 - 2000 Honda Civic (1.6L CX/DX/EX/GX/HX/LX), 1993 - 1997 Honda Del Sol (1.6L S/Si) and 1988 - 1991 Honda CR-X (1.6L S/Si).
we only accept pre-orders

☎️+63 929 490 9051