18 Sound 5W430 – Compact, High-Efficiency LF Driver for Precision Bass Performance
The 18 Sound 5W430 is a high-performance 5-inch low-frequency driver engineered for compact audio systems that demand accurate bass reproduction, rugged construction, and long-term reliability. Built in Italy by 18 Sound—a global leader in loudspeaker transducer technology—the 5W430 combines professional-grade performance with a compact footprint, making it ideal for use in studio monitors, line arrays, portable column speakers, and custom loudspeaker enclosures.
Whether you’re designing a space-saving portable PA, assembling a tight low-end array, or crafting a precision reference monitor, the 5W430 offers deep, controlled bass, consistent output, and mechanical durability—attributes trusted by touring professionals, installers, and speaker designers worldwide.
Optimized for Tight, Controlled Bass
At the core of the 5W430 is a 25 mm (1-inch) copper voice coil, wound on a fiberglass former. This configuration ensures excellent thermal stability and efficiency during continuous operation. The voice coil’s design is optimized for linear excursion and low distortion, allowing the driver to deliver clean, dynamic bass with impressive clarity, even at higher power levels.
With a frequency response ranging from 60 Hz to 8,000 Hz, the 5W430 is tailored for low-to-mid frequency reproduction, capturing the fundamental body of instruments and vocals while allowing smooth integration with mid and high-frequency components. Whether in sealed or reflex enclosures, it performs with consistency and articulation across its range.
High Sensitivity and Efficient Output
The 5W430 features a high sensitivity rating of 89 dB (1W/1m), making it an extremely efficient transducer for its size class. This allows sound designers to achieve full, articulate low-end response without requiring excessive amplification—especially useful in mobile and battery-powered setups where efficiency is key.
With an AES power handling of 80W and a program power rating of 120W, the 5W430 is capable of sustaining high SPL output with minimal distortion, making it ideal for demanding professional audio applications.
Built for Real-World Durability
Engineered with a reinforced treated paper cone, the 5W430 balances rigidity and damping for a natural, controlled response across its operating bandwidth. The cone is humidity-resistant, making the driver suitable for both indoor and semi-outdoor applications.
The ventilated voice coil gap enhances thermal dissipation, reducing power compression and ensuring consistent performance during extended use. Combined with a double-layer ferrite magnet system, the driver achieves excellent motor force and linearity, even under heavy loads.
Applications & Use Cases
The 5W430 is designed to excel in a wide variety of applications where precision bass and space-saving design are essential. In line array systems and column loudspeakers, its compact size and lightweight build make it a go-to option for creating tightly packed yet powerful arrays. Sound designers looking to add articulate low-end punch in mid-sized venues will appreciate its clarity and responsiveness.
Its high sensitivity and accurate reproduction also make it ideal for studio monitors, where detail and transient response are critical. In portable PA systems or powered speaker designs, the 5W430 offers reliability and output without compromising portability.
For fixed installations in cafes, retail stores, or public venues, the 5W430 offers a discreet yet powerful solution that performs day in and day out. Its humidity-resistant cone and durable motor structure make it a strong contender in both indoor and covered outdoor environments.
Product Specifications
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Nominal Diameter: 5 inches (125 mm)
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Rated Impedance: 8 Ohms
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Minimum Impedance: 6.5 Ohms
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Power Handling (AES): 80 Watts
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Program Power: 120 Watts
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Sensitivity: 89 dB (1W/1m)
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Frequency Range: 60 Hz – 8.0 kHz
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Voice Coil Diameter: 25 mm (1.0 inches)
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Voice Coil Material: Copper
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Cone Material: Treated Paper
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Magnet Material: Ferrite
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Weight: 2.3 kg approx.
Conclusion
The 18 Sound 5W430 is a compact low-frequency driver that delivers high-efficiency, powerful bass, and rugged durability in a space-saving format. From studio-grade monitors to mobile PA systems, its exceptional power handling, consistent response, and integration flexibility make it a premium choice for professionals seeking top-tier low-frequency performance in tight spaces.
Whether you’re designing fixed installations or mobile audio systems, the 5W430 provides the precision, clarity, and power you expect from 18 Sound’s world-class engineering.
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About 18 Sound
18 Sound products are proudly made in Reggio Emilia, Italy, combining advanced technology with Italian craftsmanship. Known for their high-performance professional audio components, 18 Sound is a trusted name in the global audio industry. Their state-of-the-art manufacturing and strict quality control ensure exceptional reliability and sound clarity. 18 Sound products are designed to meet the demands of speaker builders and audio professionals, 18 Sound offers premium products with outstanding value and performance worldwide.
