Ground Zero GZAW 12-2.5KD2
The Ground Zero GZAW 12-2.5KD2 is a 30 cm / 12″ high power subwoofer built for serious bass enthusiasts. Klippel optimized and rated at 2500 watts RMS, it combines a fiber reinforced non pressed paper cone with a solid aluminum cast basket and a 75 mm voice coil for massive, controlled output.
Key Features
- Klippel Optimized: Motor and suspension tuned by Klippel measurement for low distortion at high excursion
- Fiber Reinforced Paper Cone: Non pressed paper cone for stiffness and low weight
- High-Roll U-Surround: Allows 30 mm linear excursion for deep, powerful bass
- Solid Aluminum Cast Basket: Rigid, resonance free frame for high power applications
- 75 mm / 3″ Voice Coil: Handles 2500 watts RMS with excellent thermal capacity
- Dual 2 Ohm Voice Coils: Flexible wiring options for mono amplifiers
- Push Terminals: Quick and secure speaker wire connection
Technical Specifications
- Diameter: 30 cm / 12″
- Power Handling (RMS): 2500 W
- Power Recommendation: 1500 – 3000 W
- Impedance: 2x 2 Ohm
- Efficiency: 87 dB
- Voice Coil: 75 mm / 3″
- Cone: Reinforced paper
- Max. Excursion (Xmax): 30 mm / 1.18″
- Mounting Diameter: 282 mm / 11.10″
- Mounting Depth: 217 mm / 8.54″
- Resonance Frequency (Fs): 29.4 Hz
- Qts: 0.22
- Equivalent Air Volume (Vas): 36.4 L / 1.29 cu.ft.
Ideal for high power SPL builds that demand extreme output and reliability from a 12″ driver.















