Ground Zero GZW 10-30A
The Ground Zero GZW 10-30A is a 25 cm / 10″ sound quality subwoofer built for clean, musical low end. A Klippel optimized motor, scooped and pressed paper cone and solid aluminum cast basket combine with a 50 mm copper voice coil for 450 watts RMS of controlled bass in compact sealed or vented enclosures.
Key Features
- Klippel Optimized Motor: Laser-measured motor design for low distortion and linear excursion
- Scooped and Pressed Paper Cone: Light, stiff cone for fast and accurate bass reproduction
- U-Shape Foam Surround: Allows long linear stroke with 20 mm Xmax
- Solid Aluminum Cast Basket: Rigid, resonance-free platform for the driver
- 50 mm / 2″ Copper Voice Coil: Dual 2 Ohm coils for flexible wiring at 4 or 1 Ohm
- Audiophile Polycot Spider: Precise centering and consistent suspension behaviour
- Carbon Dustcap and Aluminum Shortening Ring: Reduced inductance and lower distortion
Technical Specifications
- Diameter: 25 cm / 10″
- Power Handling: 450 W RMS
- Power Recommendation: 300 – 600 W RMS
- Impedance: 2 x 2 Ohm
- Efficiency: 86 dB
- Voice Coil: 50 mm / 2″ copper
- Maximum Excursion (Xmax): 20 mm / 0.79″
- Mounting Diameter: 236 mm / 9.29″
- Mounting Depth: 148 mm / 5.83″
- Resonance Frequency (Fs): 40 Hz
- Total Q (Qts): 0.52
- Equivalent Air Volume (Vas): 21.4 L / 0.76 cu.ft.
- Recommended Enclosure: Sealed 25 – 50 L net (0.88 – 1.77 cu.ft.); vented 36 L net (1.27 cu.ft.), F3 33 Hz
An ideal choice for listeners who want deep, accurate sound quality bass from a compact 10″ subwoofer.
