Product Overview
About: Sundown Audio SDDN-15 15" 3500W RMS Limited Edition Competition Subwoofer - Dual 1 Ohm
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.
Features:
- 3,500 watts RMS
- Available in 10 through 18-inch versions
- Dual 1 ohm coils
- Mega V2 Cone
- Aluminum 3.3” x 80mm coil
- Dual 8 AWG terminals with dual-layer tinsel leads
- Custom cross-cut pole piece with Neodymium cap for increased output and thermal control
- 5-layer spider
- 1,336 oz (83.5 lbs) magnet with integrated thermal ventilation
- Optimized for Ported & 6th order enclosures
- Carbon cone upgrade available
Thiele-Small Parameters:
- Dc Resistance (Re): 1.9288
- Resonance Frequency (Fs): 30.1414
- Zmax: 35.3235
- Electrical Factor (Qes): 0.2435
- Mechanical Factor (Qms): 4.2164
- Total Factor (Qts): 0.2302
- Inductance (Le): 3.9833
- Diam: 304.8
- Cone Area (Sd): 72965.8753
- Equivalent Volume (Vas): 38.5984
- Bl Factor (Bl): 28.6263
- Mechanical Mass (Mms): 546.3203
- Mechanical Compliance (Cms): 51.0346
- Sensitivity 1w/1m: 88.1227 dB
- Xmax: 35mm
