B&C 18SW100 – 18″ High-Output Subwoofer Driver

The B&C 18SW100 is a professional 18-inch subwoofer driver engineered for high-output applications requiring deep bass extension, robust power handling, and exceptional durability. Designed for demanding sound reinforcement environments, this driver delivers powerful low-frequency performance with minimal distortion, making it an ideal choice for large-format subwoofer enclosures, touring systems, and fixed installations.

Low-Frequency Performance and Usable Range

With a nominal diameter of 460 mm (18 inches), the 18SW100 offers an expansive diaphragm area capable of moving substantial air to produce deep bass frequencies. Its frequency range of 35 Hz to 1000 Hz ensures that it can reproduce the full spectrum of low-frequency content, from deep sub-bass to upper bass, with clarity and impact. This wide bandwidth makes it versatile for various applications, including subwoofer arrays and hybrid bass modules in multi-way systems.

Power Handling and Thermal Management

The 18SW100 is designed to handle significant power levels, with a nominal power handling of 1500 W and a continuous program power handling of 3000 W. Its 100 mm (4-inch) split winding copper voice coil is constructed to withstand high thermal stress, ensuring consistent performance even under prolonged use. The voice coil’s design allows for efficient heat dissipation, minimizing the risk of power compression and maintaining output integrity during extended operation.

Sensitivity and Efficiency

With a sensitivity rating of 97 dB (1W/1m), the 18SW100 offers a balance between high output and efficient power usage. This sensitivity allows for strong acoustic performance without overloading amplifiers, making it suitable for both high-power applications and systems where amplifier headroom is a consideration. The driver’s efficiency contributes to its ability to deliver impactful bass with minimal distortion.

Electrical Characteristics and Integration

Operating at a nominal impedance of 8 Ω, the 18SW100 ensures stable electrical performance and predictable behavior when integrated into various audio systems. Its minimum impedance of approximately 6.5 Ω provides flexibility in amplifier matching, allowing for optimal power delivery and system performance. The driver’s impedance characteristics facilitate seamless integration into both passive and active crossover networks.

Mechanical Design and Durability

The 18SW100 features a robust mechanical design to withstand the rigors of professional audio applications. Key design elements include:

• Double silicone spider with optimized compliance: Enhances linearity and excursion control.

• Ventilated voice coil gap: Reduces power compression and improves thermal management.

• Aluminum demodulating ring: Minimizes distortion by improving the uniformity of the magnetic field.

• TWP waterproof cone treatment: Provides protection against moisture and environmental factors, ensuring longevity in various conditions.

These design features contribute to the driver’s durability and reliability, ensuring consistent performance over time.

Applications

The 18SW100 is suitable for a wide range of professional audio applications, including:

• Large-format subwoofer enclosures: Provides deep, powerful bass for large venues and outdoor events.

• Touring sound systems: Delivers consistent low-frequency performance in dynamic environments.

• Fixed installations: Ideal for permanent installations in clubs, theaters, and arenas requiring high-output bass.

• Hybrid bass modules: Can be used in combination with other drivers to create full-range systems with extended low-frequency response.

Its combination of power handling, efficiency, and durability makes it a versatile choice for demanding audio applications.

Specifications

• Nominal Diameter: 460 mm (18 in)

• Voice Coil Diameter: 100 mm (4 in)

• Continuous Power Handling: 3000 W

• Nominal Power Handling: 1500 W

• Nominal Impedance: 8 Ω

• Minimum Impedance: ~6.5 Ω

• Frequency Range: 35 Hz – 1000 Hz

• Sensitivity: 97 dB (1W/1m)

Performance Summary

The B&C 18SW100 subwoofer driver delivers deep, impactful bass with high efficiency and robust power handling capabilities. Its well-engineered design ensures minimal distortion and consistent performance, even under demanding conditions. Whether used in large-format subwoofer enclosures or as part of a hybrid bass module, the 18SW100 provides the low-frequency performance required for professional audio applications.

Conclusion

For audio professionals seeking a high-performance 18-inch subwoofer driver, the B&C 18SW100 offers a compelling combination of power handling, efficiency, and durability. Its design and specifications make it suitable for a variety of applications, from touring systems to fixed installations, where deep, powerful bass is essential. The 18SW100 stands as a reliable choice for those requiring exceptional low-frequency performance in demanding environments.

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About B&C Speakers S.r.L.

B&C Speakers products are built in Bagno a Ripoli (Florence), Italy., ensuring high quality products to suite your speaker building requirements. Their 10,500 square meter facility incorporates highly sophisticated automation and quality control. Over the years they become one of the world leaders in the Professional Audio market, a brand recognized everywhere as a premium product that offers excellent value to the consumer.