Intertechnik HQ58/3.0/150 | 3,0 mH | 0,13 Ω | 5% | 15 AWG

The Intertechnik HQ58/3.0/150 is a premium 3.0 mH iron core coil engineered for audiophile-grade loudspeaker crossover networks. This roller core inductor delivers precise frequency filtering, ensuring your speaker designs achieve accurate driver integration and balanced sound reproduction. Its robust construction makes it ideal for high-fidelity home audio systems, professional studio monitors, and custom DIY speaker projects where component quality directly impacts sonic performance.

This coil excels in low-pass and band-pass crossover applications, effectively managing power distribution between woofers and midrange drivers. The 15 AWG wire diameter (1.5 mm) combined with an exceptionally low DC resistance of just 0.13 Ω minimises signal loss and heat generation, allowing your amplifier to drive speakers efficiently without unwanted power dissipation. The ±5% tolerance ensures consistent performance across production batches, critical for matched stereo pairs or multi-way systems.

Technically, the coil features a 58 mm outer diameter with a 28.8 mm core diameter and 4.8 mm central bore for secure mounting. The total height of 46.5 mm and winding width of 28 mm provide a compact yet thermally stable footprint. The iron roller core design reduces magnetic saturation and distortion at higher power levels, preserving signal integrity. Whether upgrading existing crossovers or building new designs, this Intertechnik coil offers the reliability and precision demanded by serious audio enthusiasts.