Wolfram Audio Au-18 V3 | 18" SPL Subwoofer | D2 | 2500W RMS

V3 UPDATES:

Upgraded to a Flatwound aluminum PE voice coil (made in America)
Doubled up on Tinsel leads - Each input now utilizes (2) XXL leads

Wolfram Audio introduces the Au-18: our unrivaled 18" SPL woofer when it comes to power, performance, and reliability. The Au series features a massive 300oz magnet coupled with a heavily vented magnetic gap for extreme cooling. The Au-18 utilizes a 3" 4-layer high temperature voice coil for an intense amount of power handling.

Au is the chemical symbol for Gold - one of the most rare and valuable materials on the face of the earth. That's exactly why the Au series from Wolfram Audio is the top choice for SPL woofers in it's class. These woofers are worth their weight in gold.

Specifications:

Wolfram Audio Au-18 V3 - 18" SPL Subwoofer
Dual 2 Ohm Voice Coil Configuration
Peak Power : 5000 Watts
RMS Power : 2500 Watts
Competition Grade Pressed Paper Cone
Stitched High Roll Foam Surround
Massive Triple Stacked Magnet
4 layer Nomex spider
3" Flatwound Alumimum PE Voice Coil
4 Gauge Push Terminals
Sensitivity : 86.7 dB
Fs : 36.5 Hz
Re : 2 or 4 Ohms
Qms : 4.42
Qes : 0.28
Qts : 0.27
Nref : 0.30%
Cms : 0.06 mm/N
Bl : 32.7
Vas : 17.9 L
Mms : 330.5 gr
Xmax : 38mm (One-Way)
Enclosure Recommendations:

CUTOUT - 16.75"

3.0 - 3.5 ft³ Sealed
5.0 - 5.5 ft³ Ported (Tuned 32hz - 34hz)