SKU: 57730393145

Sundown Audio - SA-Series v.3 12"

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Description

Sundown Audio - SA-Series v.3 12"1500 Watts RMS 3000 Watts Peak Dual 2 or 4 ohm voice coils Vented magnetic gap & solid pole piece with vent channels Aluminum 2. 75 voice coil former for superior heat dissipation Innovative high velocity, cast aluminum vented frame spacer ring Magnet ID faraday ring & pole cap faraday ring for smooth acoustic response High temperature copper voice coil wire Spring loaded terminals Stitched on double XL tinsel leads This SA 10 12 v. 3 series is the

  • 1500 Watts RMS / 3000 Watts Peak
  • Dual 2 or 4 ohm voice coils
  • Vented magnetic gap & solid pole piece with vent channels
  • Aluminum 2.75” voice coil former for superior heat dissipation
  • Innovative high velocity, cast aluminum vented frame spacer ring
  • Magnet ID faraday ring & pole cap faraday ring for smooth acoustic response
  • High-temperature copper voice coil wire
  • Spring-loaded terminals
  • Stitched-on double β€œXL” tinsel leads

This SA-10/12 v.3 series is the next generation upgrade to the v.2 series. We stuck with the 2.75” coil diameter and added another 5mm of length for additional linear x-max (22mm now). We are able to perfectly balance the mass, motor force, and suspension stiffness for the intended power level. Compared to the v.2 the v.3 features taller cones and wider spiders to enhanced linearity and coil stability to the next level. We also utilized full 3D FEA to further optimize the spider packs for this generation.
The motor also features a large magnet shorting ring (faraday ring) & pole cap faraday ring to reduce distortion and deliver smoother response across the entire acoustic spectrum. With the v.3 upgrade we integrated a completely "locked-in" faraday ring that is physically held in place by the T-Yoke. The motor & coil setup is mated to an extremely robust multi-layer spider with fully tied-on & doubled-up β€œXL” tinsel leads. A competition-grade paper cone, strong foam surround, and custom-tooled aluminum frame (same frame as the bigger brother U v.2 series) are used to complete this masterpiece. On top of the ~22mm of one-way linear excursion we have an x-mech limit of 41mm one-way before coil bottom making it nearly "bottomless." The new motor was designed as a "little brother" to the U v.2 series so you will also note the updated venting system with a solid pole piece from the back and channeled pole on the inside.
Dual-2-Ohm T/S Specs
RMS Power (D2)
1500
Peak Power (D2)
3000
Re-Ohms (D2)
3.04
FS-Hz (D2)
35
Vas-L (D2)
22.188
Qes (D2)
0.525
Qms (D2)
2.308
Qts (D2)
0.428
Le-mH (D2)
31.1785
BL-NA (D2)
22.99
Mms-Grams (D2)
369.747
Cms-uM/N (D2)
55.431
Sensitivity-dB @ 1w/1m (D2)
84.5
Xmax (D2)
22mm
Dual-4-Ohm T/S Specs
RMS Power (D4)
1500
Peak Power (D4)
3000
Re-Ohms (D4)
6.06
FS-Hz (D4)
35
VAS-L (D4)
19.22
Qes (D4)
0.516
Qms (D4)
2.396
Qts (D4)
0.424
Le-mH (D4)
4.6357
BL-NA (D4)
32.182
Mms-Grams (D4)
372.752
Cms-uM/N (D4)
48.017
Sensitivity-dB @ 1w/1m (D4)
84.9
Xmax (D4)
22mm
Subwoofer Measurements
Documentation
Displacement (Inches)
0.18
Depth (Inches)
8.4"
Cutout (Inches)
11.2"
Motor Diameter (Inches)
7.8"
Ported Enclosure Specs
Ported Enclosure Size
1.75cu ft
Recommended Port Area
26sq in
Recommended Port Tuning
35hz
Sealed Enclosure Specs
Sealed Enclosure Size
1.0cu ft
4th Order Enclosure Specs
4th Order Sealed Side
.75cu ft
4th Order Ported Side
2.25cu ft
4th Order Port Area
15sq in
4th Order Port Length
6"
Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 57730393145

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4.1 β˜…β˜…β˜…β˜…β˜…
Based on 21 reviews
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Product Reviews
C
Verified Purchase
Cecy Melero
Lowell, US
β˜…β˜…β˜…β˜…β˜… 4
amazing
Format: Kindle
Knot the Bride was a fantastic read! The characters were all amazing and well-developed. It was easy to like them all. Sophia, Luca, Nick, and Gavin were all perfect for each other. It was such a charming story that had me hooked the entire time. I did wish there were POVs from Luca, Nick, and Gavin but it was still an amazing book without it. I am excited to read the next book in the Willowside Omegaverse series! This is definitely a must-read for fans of omegaverse romance!. I received a free copy of this book and am voluntarily leaving a review.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2025
T
Verified Purchase
Tara
Natrona Heights, US
β˜…β˜…β˜…β˜…β˜… 3
3 Star Read,
Format: Kindle
This book wasn't bad, but wasn't my cup of tea. It's highly disappointing because the storyline is so original. There is no real conflict or resolution, so the entire thing feels flat. As a lover of omegaverse books, I know there is a ton of variety out there, and ov is really up to the author. But this one is weird. Omegas have multiple scent glands all over their bodies and go into week long heats every month. Alphas have knots in the middle of their shaft instead of the base, and the knot doesn't always swell, no explanation of when or why. It doesn't engage at all when the mouth is in play. I also didn't enjoy the author's writing style. Each paragraph is only 1 or 2 sentences long, and the entire book reads very stacato. The conversations are stiff and unnatural feeling. Everything is very repetitive, both in word choice and in thought. The same thing is repeated 3 or 4 times over a single page, multiple times over. I ended up doing so much skimming. The first 50% of the book is all slow burn, and the last 50% is almost straight mediocre spice. This wouldn't have been all bad if the grammar and spelling errors didn't start at the exact same time. Tongue is repeatedly misspelled in the middle of the spice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 14, 2024
D
Debby & Brian
Lowell, US
β˜…β˜…β˜…β˜…β˜… 5
Cozy Omegaverse
Format: Kindle
This is the true definition of Cozy Omegaverse. LA wedding coordinator meets her pack at the location for a couple’s destination wedding. Low angst because they are scent matched high heat with heats and knots. Everything you love about this genre with very little anxiety. Simply a fun experience to read and a book I will comeback to when I’m in a slump. I simply love reading this book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
I
Verified Purchase
Iputmybookdownforthis
West Palm Beach, US
β˜…β˜…β˜…β˜…β˜… 4
Cute Omegaverse story
Format: Kindle
3.75 stars and 2 for spice. Adorable Omegaverse story about a wedding planner who has to go to a small town to plan a wedding for a movie star. While there, she meets her pack. This covers her struggles of not living there but trying to keep her relationship going with her 3 Alphas. It's a quick read and cute, so I recommend it for people who like light-hearted RH stories.
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Reviewed in the United States on May 31, 2025
D
Verified Purchase
Dani
Lowell, US
β˜…β˜…β˜…β˜…β˜… 3
real good
Format: Kindle
This was a solid read for the ABO universe. The characters are great. The smut scenes were well written. And the town is so cute I want to go there. It didn’t have much character development it just felt like I was getting to the characters as they were getting to know each other.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2025

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