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💥 High SPL Power – 1,500 W RMS / 3,500 W max
🛡 Ultra-Robust Construction – Solid cast aluminum basket and reinforced paper cone
🎯 Precision and Linearity – Klippel® optimized for perfect cone excursion control
🌬 High Excursion – Long-throw U-surround and 75 mm voice coil for deep bass
The GZW 12-30A is a high-end SPL subwoofer designed for enthusiasts of powerful and precise sound. Its robust construction with a cast basket and reinforced paper cone allows it to handle extreme sound levels while maintaining faithful reproduction of low frequencies.
The 75 mm (3″) copper voice coil ensures optimal thermal management.
The 2-layer Polycot spider and carbon dust cap provide stability and durability.
Designed for vented or sealed enclosures, it delivers deep and controlled sound.
| Feature | Value |
|---|---|
| Type | 12″ SPL Subwoofer |
| Diameter | 30 cm / 12″ |
| RMS / max power | 1,500 / 3,500 W |
| Impedance | 2 x 2 Ω |
| Efficiency | 85 dB |
| Voice coil | Copper 75 mm / 3″ |
| 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 |
| Equivalent air volume (Vas) | 30.6 L / 1.08 ft³ |
| Surround | Long-throw U |
| Optimization | Klippel® |
✔ For deep and powerful bass
✔ Robust construction suitable for high SPL levels
✔ Limited edition for Ground Zero collectors and enthusiasts
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