Jantzen Audio 000-5142 | 4,0 mH | 0,59 Ω | 3% | 20 AWG

The Jantzen Audio 000-5142 iron core coil with discs is a premium-grade inductor engineered to deliver exceptional performance in loudspeaker crossover networks. Designed for audiophiles and DIY enthusiasts who demand accurate bass reproduction, this component ensures that low-frequency signals are handled with precision and minimal distortion. Its robust construction makes it an ideal choice for high-fidelity audio systems, studio monitors, and custom speaker builds where clarity and control are paramount.

At the heart of this inductor lies a 4.0 mH inductance value, paired with an impressively low DC resistance of just 0.59 Ω. This combination allows for efficient energy transfer and reduced power loss, contributing to a tighter, more defined bass response. The coil is wound with 20 AWG wire (0.81 mm diameter) and features a ±3% tolerance, ensuring consistent performance across production batches. The iron core design, complete with protective discs, minimises core saturation and distortion, even at higher signal levels. Measuring 35 x 46 mm, this compact yet powerful component integrates seamlessly into crossover circuits, offering reliable operation and long-term stability. Whether upgrading an existing system or building from scratch, this Jantzen Audio coil delivers the sonic accuracy and build quality that discerning listeners expect.