Intertechnik LU120/4.7/20 | 4,7 mH | 0,43 Ω | 3% | 12 AWG

The Intertechnik LU120/4.7/20 air core coil is a premium-grade component designed for audiophiles and loudspeaker builders who demand uncompromising performance. This 4.7 mH inductor ensures precise crossover filtering, allowing you to achieve clean, accurate sound reproduction in your speaker systems. Its low DC resistance of just 0.43 Ω minimises signal loss and power dissipation, making it ideal for high-fidelity audio applications where every detail matters.

This coil is perfectly suited for use in passive crossover networks for hi-fi speakers, studio monitors, and custom audio projects. Whether you are upgrading an existing design or building a new set of loudspeakers from scratch, the LU120/4.7/20 delivers consistent, reliable performance. Its ±3% tolerance guarantees that each unit meets exact specifications, ensuring predictable and repeatable results across multiple builds.

Technically, this air core coil features a 12 AWG wire diameter for excellent current handling and low eddy current losses. The outer diameter measures 120 mm, with a central hole of 5.3 mm and a recess diameter of 41.5 mm, facilitating straightforward mounting. The total height is 55 mm, and the winding width is 47.5 mm, providing a robust, stable construction. The core diameter of 49.5 mm further enhances its structural integrity.

In summary, the Intertechnik LU120/4.7/20 air core coil is a reliable, high-performance choice for discerning audio enthusiasts seeking precise crossover control and minimal signal degradation.