Subwoofer GZW 12-30A
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Description
Description
Ground Zero GZW 12-30A – 30th Anniversary Limited Edition SPL Subwoofer – 12″
🔥 Highlights:
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💥 High SPL Power – 1,500 W RMS / 3,500 W max
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🛡 Ultra-Robust Construction – Solid cast aluminum basket and reinforced paper cone
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🎯 Precision and Linearity – Klippel® optimized for perfect cone excursion control
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🌬 High Excursion – Long-throw U-surround and 75 mm voice coil for deep bass
📝 Description:
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.
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The 75 mm (3″) copper voice coil ensures optimal thermal management.
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The 2-layer Polycot spider and carbon dust cap provide stability and durability.
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Designed for vented or sealed enclosures, it delivers deep and controlled sound.
📊 Technical Specifications:
| 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® |
🎯 Why choose it?
✔ For deep and powerful bass
✔ Robust construction suitable for high SPL levels
✔ Limited edition for Ground Zero collectors and enthusiasts
