Mayhem 18 Ascendant Audio 18" 2500W Mayhem Series Subwoofer

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Mayhem 18 Ascendant Audio 18" 2500W Mayhem Series Subwoofer

The Mayhem Series of subwoofer utilizes many technological advances to create the toughest daily driving sub on the market.  Our engineers have spent hundreds of hours analyzing the various failure modes of other drivers and producing new technologies and solutions to prevent these problems.  Starting with our patent pending Helicool motor system, air is forced through axial cooling channels each time the cone moves.  This positive displacement of air over the coil means increased thermal capacity and power handling.  Using our proprietary suspension assembly techniques, we laminate multiple progressive spiders together for exceptional durability.  Our specially formulated adhesives and adhesive agents have been specifically designed to handle high heat and mechanical stresses of 2500+Watts of power.  The 30mm of Xmax ensures extreme linear ability and monsterous deep bass while the high motor force ensures plenty of skull cracking upper bass as well.

The Mayhem Series is the ultimate in bass performance.

  • Brutal Streetbasser
  • 12", 15" and 18" Dual 2 Ohm models.
  • Triple stack FEA optimized motor
  • 3" 4 layer aluminum coil
  • Triple layer reinforced collar
  • Five progressive spiders
  • Ultra rigid reinforced cone body
  • Hybrid foam surround
  • Cast Alluminum basket
  • Wrap round rubber gasket
  • Silver 8AWG Push terminals
  • 2500W RMS

Thiele-Small Parameters
18"
Coils Dual 1 Ω / Dual 2 Ω
Re

0.7 Ω / 1.4 Ω

Fs 33.7 Hz / 33.2 Hz
Qms 6.52 / 6.62
Qes 0.29 / 0.27
Qts 0.28 / 0.26
Mms 307 g / 317 g

Sd

1210 cm^2

Vas 148.9 l
SPL 94.8 / 94.9 1W/1m
Bl 17.7 / 26.2 Tesla Meters
Xmax 30mm (one-way)
RMS 2500w