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Sundown Audio SA-15 v.2 - 1,000 Watts RMS

$532.99
$426.39
SKU:
SA-15 v.2
UPC:
810111130868
Condition:
New
Availability:
Usually Ships in 1-2 Days
Shipping:
Calculated at Checkout

Sundown Audio SA-15 v.2 - 1,000 Watts RMS

$532.99
$426.39

Sundown Audio SA-15 v.2 - 1,000 Watts RMS

$532.99
$426.39

About: Sundown Audio SA-15 v.2 - 1,000 Watts RMS

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.

Features: 

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

Upgrades compared to the v1 SA series (Rev.1,2,3):

  • Magnet outer diameter increased from 180mm to 190mm
  • Magnet slugs increased from 25mm to 27mm in height (total 4mm more height)
  • Motor structure fully bolted together with 3x M6 bolts (eliminates the possibility of motor shifting)
  • Top-Plate “Slits” implemented as with the X and Z series. Increased cooling & reduced distortion.
  • Improved gap venting — more / flared gap vents.
  • Improve pole-vent design — smoothly flared on both sides.
  • Coil increased from 63.5mm (2.5″) to 70mm (2.75″) in diameter. Higher thermal capacity.
  • New “U series” style cast-aluminum frame for taller cones (more x-mech both top-side from cone to spider and bottom from spider to top plate)
  • Aluminum cast gasket to bolt-on surround.
  • Aluminum cast vent ring to enhance thermal transfer from motor to the frame.
  • Standard with double “XL” leads and “bolted-on” spider
  • Larger and thicker surround (same tooling as U series).
  • Strongest paper cones we have ever produced… new two-piece mold technique.
  • “Large Flange” dust cap just like our larger woofers. Essentially eliminates dust-cap glue failure.
  • Larger spider diameter on the 12/15″ models (the 10″ retains the same 188mm spider)… 12″ up to ~200mm and 15″ up to ~210mm
  • Improved spider material for longer life.

Enclosure Specifications: 

  • Sealed Enclosure: 2.0 cu ft
  • Ported Enclosure: 3.0 cu ft
  • Recommended Tuning: 35Hz
  • Recommended Port Area: 44 sq in
  • Depth: 8.65"
  • Outside Diameter: 15.59″
  • Cut-Out: 14.01″

Specifications: 

T/S SPECSSAV2 15″ D2SAV2 15″ D4
RE (Ohms) 3.89 5.83
FS (Hz) 36.8387 37.4160
VAS (L) 51.9387 45.3391
Qes 0.5847 0.6963
Qms 5.1005 5.7094
Qts 0.5245 0.6206
Le (mH) 3.6326 4.7903
BL (NA) 24.4656 29.1578
Mms (Grams) 388.9706 431.9464
Cms (uM/N) 47.9860 41.8886
Sens (dB @ 1w/1m) 88.22 87.08

 

 

Returns Policy

You may return most new, unopened items within 30 days of delivery for a refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect item).

You should expect to receive your refund within two-three weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

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We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

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Need help? We're available at+1 (416) 745-1021 or Email us atcontactus@singhelectronics.ca