Sound Barrier SB180D — 1″ High Frequency Driver with 2″ Voice Coil
SB180D Overview
The Sound Barrier SB180D is a professional high frequency compression driver built around a 1″ throat and 2″ voice coil configuration, delivering 90W RMS / 180W peak power handling across a 1kHz to 16kHz frequency range. Its phenolic diaphragm and 30 oz. magnet structure provide consistent high-output performance with a rated sensitivity of 105 dB at a nominal impedance of 8 ohms. With distortion rated at a maximum of 0.05%, the SB180D is suited for system integrators, touring companies, and installers requiring reliable HF reproduction in two-way or three-way loudspeaker systems. The screw-on mounting type simplifies horn compatibility and field replacement.
At 4.6 lb. with a compact 4.7″ diameter and 3.2″ depth, the SB180D integrates efficiently into both custom enclosure builds and replacement driver applications without adding excessive weight to the system.
Key Features
- 1″ Throat / 2″ Voice Coil — Standard 1″ throat for broad horn compatibility, paired with a 2″ voice coil for improved power handling and thermal capacity
- 90W RMS / 180W Peak Power Handling — Supports high-output applications in live sound reinforcement and installed systems
- Phenolic Diaphragm — Durable diaphragm material suited for extended high-frequency reproduction and consistent performance under continuous use
- 105 dB Sensitivity — High sensitivity rating reduces amplifier demand and supports efficient system design
- 8 Ohm Nominal Impedance — Standard impedance for straightforward integration into existing amplifier and crossover configurations
- 0.05% Maximum Distortion — Low distortion ceiling ensures clean HF reproduction across the operating range
- 30 oz. Magnet — Substantial magnet structure supports consistent flux density and driver efficiency
- Screw-On Mounting — Tool-free horn attachment simplifies installation and driver swaps in the field
Technical Specifications
| Throat Size | 1″ |
| Voice Coil Size | 2″ |
| Power Handling | 90W RMS / 180W Max |
| Diaphragm Material | Phenolic |
| Frequency Range | 1kHz – 16kHz |
| Sensitivity | 105 dB |
| Nominal Impedance | 8 Ohm |
| Distortion | 0.05% Max |
| Magnet Size | 30 oz. |
| Overall Diameter | 4.7″ / 120 mm |
| Overall Depth | 3.2″ / 81.2 mm |
| Mounting Type | Screw-On |
| Weight | 4.6 lb. / 2.1 kg |
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