Intertechnik LUT44/039/10 | 0,39 mH | 0,37 Ω | 3% | 18 AWG

The Intertechnik LUT44/039/10 air core inductor is a precision component designed for high-fidelity loudspeaker crossover networks. With its 0.39 mH inductance and low 0.37 Ω DC resistance, this inductor ensures accurate frequency division while minimising signal loss, making it an excellent choice for audiophiles and DIY speaker builders seeking transparent, distortion-free sound reproduction.

This inductor is ideally suited for use in passive crossover designs where maintaining signal purity is paramount. It excels in midrange and tweeter filtering applications, where its air core construction eliminates the core saturation and hysteresis distortion associated with ferrite or iron-core alternatives. Whether you are upgrading an existing speaker system or building a custom design from scratch, this component delivers consistent, reliable performance.

Constructed with 18 AWG wire and a ±3% tolerance, the LUT44/039/10 offers precise inductance values for accurate crossover points. The coil features an outer diameter of 44 mm, a winding width of 24 mm, and a total height of 30 mm, with a central hole diameter of 5.3 mm for easy mounting. The 0.9 mm wire diameter ensures robust current handling, while the 28 mm core diameter and 25.5 mm recess diameter facilitate straightforward integration into your project.

Backed by Intertechnik’s reputation for quality, this air core inductor is a reliable choice for achieving clean, detailed audio performance in any high-fidelity loudspeaker system.