Ground Zero Hydrogen GZHW 30 12" (30cm) Subwoofer Masori

The Hydrogen GZHW 30 from Ground Zero is a 12-inch high-performance Subwoofer with a power handling capacity of 1500 watts RMS and an SPL output of 3000 watts. The device features a 75 mm copper voice coil and a reinforced paper cone. The construction is based on a solid aluminum die-cast basket and a long-stroke U-shaped surround. Additional features include a 2-layer polycotton centering and a carbon dust cap. The Klippel-optimized unit is available in versions with an impedance of 2x1 ohm or 2x2 ohm. The efficiency is rated at 85 dB. Features 12-inch (30 cm) Subwoofer High-performance design Power handling: 1500 watts RMS Power handling: 3000 watts SPL Power recommendation: 1000 – 3000 watts 75 mm copper voice coil Reinforced paper cone Solid aluminum die-cast basket Long-stroke U-shaped surround 2-layer polycotton centering Carbon dust cap Klippel-optimized Technical Specifications Diameter: 300 mm Impedance: 2x1 ohm or 2x2 ohm Efficiency: 85 dB Max. excursion (Xmax): 45 mm Mounting diameter: 284 mm Mounting depth: 198 mm Resonance frequency (Fs): 39.1 Hz Total Q factor (Qts): 0.56 Equivalent air volume (Vas): 17.6 liters