FREE 2-DAY SHIPPING ON ORDERS OVER $35

Sundown Audio SA-12 D4 v.2

Sundown Audio 12" 4-Ohm DVC Dual SA Series Subwoofer
No reviews yet Write a Review
$349.99
30 days Free Ground Shipping Inside the US within 48 hours
30 days Free Exchanges Guarantee
30 days Money-Back Guarantee if you are not satified
1 year Manufacture Warranty

We are a Sundown Audio authorized dealer so you get up-to-date, fully warrantied products.

The Sundown SA series has been our most popular line since its original introduction in 2009. What better way to create a new version 2 than to upgrade, literally, every single part of the woofer? We started with a larger, more powerful motor to drive the larger 2.75” coil and stronger soft parts – this maintains the perfect balance of the original SA series while also increasing the power handling to 1000-watts RMS.

When designing the SA v.2 series we started out with an FEA optimized motor & coil design capable of 19mm of one-way linear excursion by 70% BL and just over 35mm of x-mech. This motor & coil setup was then mated up to an extremely robust double-layer spider with fully tied-on & doubled-up “XL” tinsel leads (84-Strands of Conductor per lead), an SPL competition grade paper cone, and a strong foam surround. The motor also features a large magnet ID shorting ring (faraday ring) to reduce distortion causes by inductance & inductance variation over stroke.

We further improved the voice coil cooling system from the original SA series. This system allows our 2.75″ coil to match and exceed the thermal performance of many competing 3″ coil drivers on the market without requiring the usage of a much heavier voice coil than required for the design. The key to the SA series is, in fact, the perfect balance of motors force to mass. We have maintained that delicate balance in the v.2 through extensive testing and optimizations.

We then borrowed the new frame, aluminum surround bolt-on clamps, and aluminum vent rings that we tooled for the U-Series to further bring the SA to new heights of performance and reliability. At this point you can think of it as a little brother to the U Series.

This 18 inch model features a larger motor than the SA-10/12/15 v2 at a full 205mm diameter and a 60mm magnet stack height. The top plate is also thicker in order to more effectively move the higher mass 18″ soft parts. It has a large 234mm diameter spider pack for very high mechanical stroke capacity. It utilizes the same 2.75″ coil as the other SA v.2 series for a 1000-watt RMS power rating.

Performance:

  • Xmax = 19mm one-way by 70% BL
  • RMS Power = 1000-watts

Key Features:

  • Vented magnetic gap
  • Optimized high-velocity pole vent
  • Innovative high-velocity vented frame spacer ring
  • Black Aluminum 2.75” voice coil former for superior heat dissipation
  • High Temperature copper voice coil wire
  • Large aluminum faraday ring (Magnet ID)
  • Spring Loaded Terminals
  • Stitched-On Double “XL” Tinsel Leads to prevent fatigue and failure
  • High strength cast aluminum frame
  • Optimized for small ported, sealed, & band-pass enclosures
Brand Sundown Audio
Size 12"
RE (Ohms) 6.35
FS (Hz) 33.6039
VAS (L) 28.0603
Qes 0.4996
Qms 4.0178
Qts 0.4443
Le (mH) 4.6357
BL (NA) 29.39
Mms (Grams) 321.8425
Cms (uM/N) 69.6976
Sens (dB @ 1w/1m) 85.03
Sealed Enclosure 1.0 cu ft
Ported Enclosure 1.75 cu ft
Recommended Tuning 35Hz
Recommended Port Area 26 sq in
Depth 7.35"
Outside Diameter 12.83"
Cut-Out 11.01"
Parts Warranty 1 Year
Labor Warranty 1 Year