Jantzen Audio 000-1121 | 0,43 mH | 0,445 Ω | 3% | 20 AWG

The Jantzen Audio 000-1121 air core coil is a meticulously engineered component designed to elevate the performance of high-fidelity loudspeaker systems. As a premium choice for audio enthusiasts and professional designers alike, this coil ensures precise crossover filtering, allowing for accurate signal separation that results in a cleaner, more natural sound reproduction. Its construction reflects Jantzen Audio’s commitment to quality, making it an ideal upgrade for custom speaker builds or repairs where sonic integrity is paramount.

This 0.43 mH air core coil is particularly suited for use in passive crossover networks, where it effectively manages the frequency distribution between drivers such as woofers, tweeters, and midrange units. Whether you are designing a new set of bookshelf speakers or refining an existing high-end audio system, this component delivers consistent performance across a range of applications, from home theatre setups to dedicated stereo listening rooms. Its low DC resistance of 0.445 Ω minimises signal loss, ensuring that the audio signal remains pure and uncoloured.

Technically, the coil is wound with 20 AWG wire and features a tolerance of ±3%, guaranteeing reliable inductance values for accurate crossover design. The air core construction eliminates core saturation and hysteresis distortion, preserving the dynamic range and detail of your music. With compact dimensions of 32 x 15 mm, it integrates easily into tight enclosures while maintaining excellent thermal stability. This coil is a testament to Jantzen Audio’s dedication to precision engineering, offering a robust solution for discerning audio projects.