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Details about  TWO SA-15 D4 SUNDOWN AUDIO 15" SA SUBS DVC 4 OHM PRO LOUD BASS SUBWOOFERS PAIR

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TWO SA-15 D4 SUNDOWN AUDIO 15" SA SUBS DVC 4 OHM PRO LOUD BASS SUBWOOFERS PAIR
TWO-SA-15-D4-SUNDOWN-AUDIO-15-SA-SUBS-DVC-4-OHM-PRO-LOUD-BASS-SUBWOOFERS-PAIR
Item Sold
Item condition:
New
Ended:
Apr 18, 2014 20:49:23 PDT
Price:
US $459.99
[
History:
]
Shipping:
FREE Standard Shipping | See details
Item location:
Los Angeles, California, United States

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Description

eBay item number:
130613122350
Seller assumes all responsibility for this listing.
Last updated on  Feb 20, 2014 14:22:31 PST  View all revisions

Item specifics

Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition
Type:

Non-Enclosed Subwoofer

Voice Coil:

Dual

Brand:

Sundown Audio

RMS Power:

1200 W

Model:

SA-15 D4

Size:

15 inches

MPN:

SA15D4

Enclosure Included:

No

Speaker Size:

15"

RMS Wattage:

1200

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Brand New! 2 Year Warranty!

Two SA-15 D4 - Sundown Audio 15" 600W Dual 4-Ohm SA Series Subwoofers Pair

Retail Price: $779.99

 Features & Specifications:

    General Features:
    The SA series was designed to be an excellent sounding subwoofer that is equally at home sealed or ported. We feel that the SA series is one of the best woofers available in it's price category and will satisfy the needs of a wide variety of users ranging from bass-heads to audiophiles!

    The SA series is also gaining popularity in SPL competitions due to their excellent voice coil cooling and rugged, durable constructions with several customers achieving output well over 150 dB!

    The Sundown SA series woofers represent the result of several years of testing and R&D into making the most rugged, longest lasting, and best sounding subwoofers possible in their price range. Not only do the SA series drivers have the capacity for extremely high output on the street and in the SPL lanes but they are also designed with low distortion in mind via their high linear excursion and dual faraday rings. The SA line has consistently proven itself to customers in the USA and worldwide both on the streets and in the SPL lanes since their introduction in mid-2009.

    The SA line was designed to be the centerpiece of the Sundown Audio subwoofer lineup -- the line to which all of our other lines are compared. We started with an FEA optimized motor design capable of 19mm of one-way Klippel verified excursion and significantly more x-mech (maximum mechanical excursion). This motor was mated to a top quality double layer nomex spider, an SPL competition grade paper cone, and a strong foam surround capable of handling the excursion and force generated by the motor structure. The motor also features dual faraday rings (shorting rings) to reduce inductive distortion. At Sundown Audio this still was not enough so we designed a highly optimized voice coil cooling system that ensures that an SA series woofer will never over-heat when used anywhere close to it's rated power level. This system allows our 2.5" coil to match and exceed the thermal performance of many 3" coil drivers on the market today. This same voice coil cooling system has been applied to all of our larger woofers lines as well due to it's proven effectiveness over the years in the SA series. 

    All of this hard work and engineering has lead to the incredible reputation now enjoyed by the SA series worldwide. We are very proud of what these woofers are capable of and we believe that they are one of the best woofers on the market today in their price and power range. 

    RE (ohms): 7.75
    FS (Hz): 36.95
    Vas (L): 52.35
    Qes: 0.85
    Qms: 6.63
    Qts: 0.75
    Le (mH): 4.98
    BL (NA): 25.87
    Mms (Grams): 315
    Cms (uM/N): 58.8
    Sens (1w/1m): 86.68
    Cutout Diameter: 14 1/8"
    Mounting Depth: 7 1/2"
    Overall Diameter w/ Gasket: 15 5/8"
    Displacement: 0.17ft^3
    RMS: 600W
    Recommended Box Specs (Sealed): 2.5ft^3 (Yields F3 of 41Hz)
    Recommended Box Specs (Ported): 3.5ft^3 (Tune to 35Hz, Yields F3 of 28Hz)


    19.0mm X‐Max by 70% BL method one‐way (38.0mm peak to peak)
    Thick black anodized aluminum voice coil formers for maximum strength and heat dissipation
    4‐layer copper high temperature voice coil windings with 45mm winding length
    Double layer permanently bonded high strength Nomex spider pack for maximum longevity and durability
    Thick flat tinsel lead wires tied down to the spider to prevent lead noise and breakage
    Custom tooled triple joint support ring
    Custom tooled frame spacer / ventilation ring
    High efficiency air‐flow management integrated into the motor for maximum voice coil cooling
    Dual Aluminum Faraday rings for reduced inductance and inductive distortion (pole cap and magnet ID)
    Two‐Year Warranty against defects in materials and workmanship



    Specifications are measured after about 5 minutes of break-in time. You will see the CMS loosen up another 33% after some serious play time which will both reduce the FS and Qts figures of the drivers. Some Re variance is shown based on coil temperature from break-in period. D2 is closer to 4.0 in series and D4 7.0 in series at room temperature. This does not affect box calculations.

    Box specifications are suggestions – other volumes and tunings can be used based on the needs of your application. The SA series woofers are compatible with most quality pre-fabricated enclosures as well. They also lend themselves favorably to fourth order band-pass enclosures.
Shipping Policy:

Domestic:

Please note that Free Shipping is within the continental US only. Free ground shipping does not apply to Alaska, Hawaii, APO/FPO military addresses and any US territories, including Puerto Rico, Guam, US Virgin Islands, Northern Mariana Islands and American Samoa.

Please contact us to inquire about the shipping cost to these locations.


International:

Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.

Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying.

These charges are normally collected by the delivering freight (shipping) company or when you pick the item up – do not confuse them for additional shipping charges.



 Warranty:

Each and every Sundown Audio product for sale on eBay.com by WoofersEtc is covered by the manufacturer under a 2 Year Warranty, and can be returned to Sundown Audio within this 2 Year period for warranty service. If you have purchased a Sundown Audio product from us within the last two years and it is failing to perform as intended by the manufacturer, please contact Sundown Audio directly, as they will be responsible for the warranty procedures performed on your product.

In order to maintain an inventory of 100%, Brand New, A-Stock, untouched products, all sales are final. We ask that you please be sure you are ordering the correct product.

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