Jantzen Audio 000-1278 | 0,22 mH | 0,21 Ω | 3% | 18 AWG

The Jantzen Audio 000-1278 air core coil is a premium component designed for audiophiles and loudspeaker builders who demand accuracy and transparency in their crossover networks. This 0.22 mH inductor, wound with 18 AWG wire, delivers a low DC resistance of just 0.21 Ω, ensuring minimal signal loss and preserving the integrity of your audio signal.

Ideal for use in high-fidelity speaker systems, this coil excels in crossover filtering applications where precise frequency division is critical. Whether you are constructing a new set of bookshelf speakers, upgrading an existing design, or building a custom multi-way system, this air core inductor provides the reliable performance needed to achieve a clean, natural soundstage. Its ±3% tolerance guarantees consistent results across production runs, making it a dependable choice for both hobbyists and professional engineers.

Technically, the coil features an air core construction, which eliminates core saturation and distortion, allowing for linear performance across a wide frequency range. With dimensions of 41 mm by 10 mm, it is compact enough to fit into tight enclosures while still offering robust handling. The 3% power tolerance ensures it can manage typical audio signal levels without overheating. Backed by Jantzen Audio’s reputation for quality, this coil is a sound investment for any serious loudspeaker project.