Description
Ground Zero′s 30th anniversary limited edition subwoofer is finally here!
This Klippel optimized subwoofer encapsulates the knowledge and expertise gathered by Ground Zero over its 30-year journey, making this subwoofer a true work of art: a black-painted open cast frame, a well-ventilated big magnet, gold-plated weight connectors, a pressed paper cone, a long stroke surround with golden stitching, and all of this is crowned by a carbon fiber dust cap with a golden Ground Zero logo.
This subwoofer doesn′t leave you cold even based on its technical specifications: FS 26.5 Hz, 1500W continuous power handling, 45mm Xmax!!! and a 3″ voice coil.
This subwoofer is recommended to be installed in a 90L vented enclosure.
Specifications
Model High-Quality SPL subwoofer
Diameter 30 cm / 12″
Power handling (RMS/SPL) 1500 / 3500 Watts
Impedance 2x 2 Ohm
Efficiency 85 dB
Power recommendation 1000 – 3500 Watts
Voice coil 75 mm / 3″ Copper
Cone Reinforced paper
Max. Excursion (Xmax) 45 mm / 1.77″
Mounting Ø 284 mm / 11.18″
Mounting depth 198 mm / 7.80″
Resonance frequency (Fs) 26.5 Hz
Damping ratio (Qts) 0.52
Equiv. air volume (Vas) 30,6 L / 1.08 cu.ft.
Enclosure recommendation
Vented: 90 Liter netto
Port area: 40 x 250 mm
Port length: 257 mm
Frequency: 25 Hz
