Intertechnik HQG52/3.9/10 | 3.9 mH | 0.33 Ω | 5% | 18 AWG | Bell Core Coil

The Intertechnik Bell-Core Coil, with an inductance of 3.90 mH and a 1.00 mm copper winding, is a premium iron core inductor designed for demanding loudspeaker crossover networks. This high-quality component ensures precise frequency filtering, allowing you to achieve accurate and transparent sound reproduction in your custom speaker builds. Its robust construction and tight tolerance make it an ideal choice for audiophiles and DIY enthusiasts seeking to optimise the performance of their audio systems.

This coil is perfectly suited for use in passive crossover circuits, where it effectively manages the low-frequency driver section. Whether you are designing a new set of floor-standing speakers or upgrading an existing pair, the Bell-Core Coil delivers reliable and consistent results. It is particularly effective in applications requiring a stable inductance value, such as in two-way or three-way speaker systems, ensuring seamless integration between drivers.

Technically, the coil features a high-quality iron core that minimises magnetic saturation and distortion, while the 1.00 mm diameter copper wire offers low DC resistance for efficient power handling. The inductance is rated at 3.90 mH with a tolerance of ±5.0%, guaranteeing accurate crossover points. The HQG52 series construction ensures durability and stable performance over time, making it a dependable component for serious audio projects.

In summary, the Intertechnik Bell-Core Coil is a precise and reliable choice for achieving superior crossover filtering in high-fidelity speaker systems.