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Alpha-S1812
• Drivers
LF 1x18"(460mm)
1x12"(300mm) neodymium
• Max SPL (Peak)
135dB
- Commodity name： Alpha-S1812
Overview
Alpha-S1812 is a high-performance passive subwoofer, designed with dual long-throw neodymium drivers in a cardioid configuration. Featuring an 18" forward-facing driver and a 12" rear-facing driver with a bandpass design, this setup offers precise low-frequency reproduction and minimizes energy loss behind the system. With a frequency response of 40Hz to 150Hz and a maximum SPL of 135dB peak, the Alpha-S1812 delivers powerful bass with exceptional efficiency. Built with durable waterproof plywood and protective coatings, it can be suspended or stacked with Alpha-F8 full-range speakers, providing reliable performance in demanding environments.
Specifications
| Drivers | LF 1x18"(460mm) 1x12"(300mm) neodymium |
| Frequency Response (±3dB) | 40Hz~150Hz |
| Dispersion | N/A |
| Sensitivity (1M/1W) | 99dB |
| Max SPL | 129dB (continuous)/135dB (peak) |
| Rated Power (RMS) | 1000W |
| PEAK Power | 4000W |
| Impedance | 8Ω |
| Dimensions ( HxWxD ) | 500 x 630 x 692 mm |
| Net Weight | 50 kg |
Dimensions
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• Drivers
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• Dispersion
Hor. 80° x Vert. 14°
• Max SPL（Peak）
LF: 132dB HF: 139dB
Applications
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