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Sundown Audio SDDN 18" D1

3500W RMS 18" SDDN Series Dual 1-ohm Limited Edition Competition Car Subwoofer

Sundown Audio
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• Peak RMS Power: 3500 watts
• Impedance: Dual 1 ohm
• Mega V2 Cone
• Mount depth: 15.12"
• Sensitivity: 89.43 dB

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Description


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Sundown Audio SDDN 18" D1

Designed in-house by Sundown Founder Jacob Fuller, the 3,500-watt RMS SDDN is available in 10, 12, 15, and 18-inch models. Each unit boasts a massive 83-pound motor with integrated thermal ventilation, featuring a custom cross-cut pole piece with a Neodymium cap for increased output and thermal control. Sundown’s signature Mega V2 cone is paired with a five-layer spider, a 3.3” x 80mm aluminum voice coil (dual 1-ohm), and dual tinsel leads per eight-gauge terminal.


Product Details:

  • 18" Dual 1 ohm SDDN Series Subwoofer
  • Power Handling:
    • RMS: 3500 watts
  • Mega V2 cone
  • Five-layer spider
  • Custom cross-cut pole piece with neodymium cap
  • Optimized for ported and bandpass crossovers
  • Dual 8 AWG terminals with dual-layer tinsel leads
  • Aluminum voice coil
  • 35 mm Xmax
  • 1336 oz. Double Stacked Neodymium magnet motor structure
  • Resonance Frequency (Fs): 30.04 Hz
  • Sensitivity: 89.43 dB
  • Top-mount depth: 15.12"
  • Cutout diameter: 16.7"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually


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Specifications & Details


Subwoofer Specifications
Series
SDDN Series
Subwoofer Size
18"
RMS Power Handling
3500 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
1 ohm
Voice Coil Material
Aluminum
Sensitivity
89.43 dB
Xmax (millimeters)
35 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Mega V2
Magnet Structure
Double Stacked
Magnet weight
1336 oz.
Magnet Type
Neodymium
Subwoofer Grille
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Bandpass
Ported / Vented
Top-Mount Depth (Mounting Depth)
15.12"
Cutout Diameter
16.7"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
30.04 Hz
Equivalent Compliance (Vas)
72.28 liters
Total Speaker Q Value (Qts)
0.31
Electrical Q Value (Qes)
0.33
Electrical Resistance of Voice Coil (Re)
2.03 ohm
Mechanical Q Value (Qms)
5.15
What is in the box?
Paperwork
User manual
WITB: Subwoofers
Subwoofer
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SW-SDDN18D1

Weight:

150.00lbs

Internal SKU:

sddn18d1

Internal Product ID:

206582

Customer Ratings & Reviews


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