Intertechnik Bell-Core Coil – 39 mH | HQG52 | 0.50 mm Copper | ±5.0%

The Intertechnik Bell-Core Coil, with a substantial 39 mH inductance, represents a premium choice for audio enthusiasts and loudspeaker designers seeking precise crossover filtering. This iron core coil is specifically engineered to handle low-frequency applications with exceptional stability, ensuring your speaker systems deliver clean, accurate bass response without distortion or signal degradation.

Ideal for use in high-fidelity loudspeaker crossovers, this coil excels in woofer and subwoofer circuits where reliable inductance is critical. It is particularly suited for audiophile-grade projects, DIY speaker builds, and professional audio installations where component quality directly impacts sound performance. The robust construction makes it a dependable choice for both passive crossover networks and specialised filter designs.

Technically, the coil features a 0.50 mm copper wire wound on a high-quality iron core, offering an inductance of 39 mH with a tight tolerance of ±5.0%. The core measures 52 mm in width and 36 mm in height, with an AL value of 0.1, ensuring consistent magnetic properties. The HQG52 design minimises core losses and saturation effects, maintaining linear performance across the intended frequency range.

This Intertechnik coil combines precision engineering with durable materials, making it a reliable component for demanding audio applications. Whether upgrading existing speakers or building new systems, it provides the accuracy and stability required for exceptional sound reproduction.