Intertechnik HQR32/1.8/71 | 1,8 mH | 0,80 Ω | 5% | 21 AWG

The Intertechnik HQR32/1.8/71 is a premium 1.8 mH iron core coil engineered for audiophile-grade loudspeaker crossover networks. This tube core inductor delivers precise filtering to ensure seamless driver integration, enhancing clarity and soundstage in your custom speaker builds. Ideal for both DIY enthusiasts and professional audio designers, it excels in low-frequency applications where accurate inductance and minimal signal loss are critical. Whether you are upgrading existing speakers or constructing new high-fidelity systems, this coil provides the reliability and performance demanded by serious audio projects.

Technically, the HQR32/1.8/71 features a 21 AWG winding with a DC resistance of just 0.80 Ω, ensuring efficient power handling and reduced energy dissipation. Its inductance value of 1.8 mH is held to a tight ±5% tolerance, guaranteeing consistent crossover behaviour. The coil’s robust construction includes an outer diameter of 32 mm, a core diameter of 15 mm, and a total height of 26 mm, with a winding width of 20 mm. The central bore measures 5 mm, while the recess diameter is 12 mm, facilitating straightforward mounting. This iron core design offers superior saturation characteristics compared to air core alternatives, making it an excellent choice for bass and midrange filters where higher inductance values are required without excessive coil size. Trust Intertechnik’s engineering to bring precision and longevity to your audio creations.