Intertechnik HQ43/3.9/095 | 3,9 mH | 0,41 Ω | 5% | 19 AWG

The Intertechnik HQ43/3.9/095 is a premium iron core coil designed to deliver precise and reliable crossover filtering in high-fidelity loudspeaker systems. With an inductance of 3.9 mH and a low DC resistance of just 0.41 Ω, this component ensures minimal signal loss and efficient power handling, making it an excellent choice for audiophiles and DIY speaker builders seeking accurate frequency division.

This roller core coil is ideally suited for use in passive crossover networks for two-way or three-way speaker designs, where it can effectively manage bass and midrange drivers. Its robust construction and tight ±5% tolerance guarantee consistent performance across production batches, ensuring that your speaker system maintains its intended acoustic character over time. Whether you are upgrading an existing design or building a custom set of loudspeakers, this coil provides the reliability and sonic transparency required for critical listening applications.

Technically, the coil features a 19 AWG copper wire with a diameter of 0.95 mm, wound on a 43 mm outer diameter core with a 4.8 mm centre hole and a 22.5 mm core diameter. The total height is 45.5 mm, with a winding width of 30 mm, allowing for compact integration into crossover boards. The low resistance and precise inductance value contribute to clean, undistorted signal transmission, enhancing overall sound quality.

In summary, the Intertechnik HQ43/3.9/095 iron core coil offers a dependable solution for achieving accurate crossover filtering, combining technical precision with robust build quality for superior audio performance.