Sound Barrier PRO121200 — 12-Inch Low Frequency Woofer with 4-Inch Voice Coil
PRO121200 Overview
The Sound Barrier PRO121200 is a 12-inch low-frequency woofer engineered for professional loudspeaker enclosure builds, system integration, and driver replacement applications. Rated at 600W RMS / 1200W peak power handling, it delivers robust low-end performance with a 96dB sensitivity rating and a usable frequency range of 47Hz to 1.8kHz. The driver is built around a 4-inch copper round and CCAR voice coil wound on a 99.2mm former, paired with a ferrite magnet assembly weighing 120 oz. This woofer is well suited for system integrators, cabinet builders, and touring companies requiring a high-power 12-inch driver with a proven thermal and mechanical design.
With an 8-ohm nominal impedance, the PRO121200 integrates cleanly into standard single or multi-driver configurations, and its 26 lb total weight reflects the substantial magnet structure behind its output capability.
Key Features
- High Power Handling — rated at 600W RMS and 1200W peak, suitable for demanding live sound and installed reinforcement applications
- 4-Inch Copper Round and CCAR Voice Coil — 99.2mm diameter voice coil for improved thermal dissipation and long-term reliability under sustained drive levels
- 96dB Sensitivity — efficient transduction that reduces amplifier headroom requirements in high-SPL system designs
- 47Hz to 1.8kHz Frequency Range — covers the full low-frequency band with usable extension into the lower midrange for flexible crossover point selection
- Ferrite Magnet Assembly — 120 oz. magnet structure provides consistent flux density and stable performance across operating temperatures
- 8-Ohm Nominal Impedance — standard impedance for straightforward integration into professional amplifier and crossover configurations
- 305mm Nominal Diameter — standard 12-inch form factor compatible with a wide range of professional enclosure designs
Technical Specifications
| Nominal Diameter | 12 inch / 305 mm |
| Power Capacity | 600W RMS / 1200W Peak |
| Sensitivity | 96dB |
| Nominal Impedance | 8 Ohm |
| Frequency Range | 47Hz to 1.8kHz |
| Voice Coil Material | Copper Round and CCAR |
| Voice Coil Diameter | 4 inch / 99.2 mm |
| Magnet Material | Ferrite |
| Magnet Weight | 120 oz. |
| Total Weight | 26 lb / 11.8 kg |
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