Ground Zero GZW 12-30A
30th Anniversasy model
3500W
2 x 2 Ohm
3″ voice coil
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.
*netto
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