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Wolfram Audio introduces the Hg-15: our unrivaled 15" 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-15 utilizes a 3" 4-layer high temperature voice coil for an intense amount of power handling.

Specifications:

Wolfram Audio Hg-15 V2 - 15" 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 : 89.8 dB
Fs : 35.1 Hz
Re : 1.7 Ohm
Qms : 2.116
Qes : 0.48
Qts : 0.44
Nref : 0.44%
Cms : 0.06 mm/N
Bl : 18.5
Vas : 45.04 L
Mms : 369.48 g
Xmax : 38 mm (One-Way)

Enclosure Recommendations:

2.5 - 2.75 ft³ Sealed
3.5 - 4.0 ft³ Ported (Tuned 32hz - 34hz)
Mounting Depth: 9 7/8"
Cutout Diameter: 14 1/8""
Displacement: 0.17 ft³