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

Specifications:
- Wolfram Audio Hg-18 - 18" SPL Subwoofer
- Dual 2 or 4 Ohm Voice Coil Configuration
- Peak Power : 4000 Watts
- RMS Power : 2000 Watts
- Competition Grade Pressed Paper Cone
- Stitched High Roll Foam Surround
- Massive Triple Stacked Magnet
- 4 layer Nomex spider
- 3" Copper 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:
- 3.0 - 3.5 ft³ Sealed
- 5.0 - 5.5 ft³ Ported (Tuned 32hz - 34hz)
- Displacement: 0.17 ft³