Intertechnik TRI/120/3.90/0.60 | 3,9 mH | 0,58 Ω | 1% | 23 AWG

Achieve precise crossover network performance with this high-quality air core coil, designed for audiophile-grade speaker systems. The 3.9 mH inductor offers a DC resistance of 0.58 Ω and a tolerance of ±1%, ensuring accurate and consistent filtering for demanding audio applications. This Tritec Coil from Intertechnik is an ideal choice for custom loudspeaker builds, crossover upgrades, or any project requiring reliable inductance with minimal signal degradation.

This air core roll is particularly suited for use in passive crossover networks where low distortion and high linearity are paramount. Its construction eliminates core saturation, making it perfect for high-power audio systems and critical listening environments. Whether you are designing a two-way bookshelf speaker or a complex multi-way floor-standing system, this coil delivers the performance required for transparent sound reproduction.

The coil features a 23 AWG wire diameter of 0.6 mm, with an external diameter of 12 mm and a total height of 55 mm. The winding width measures 47.5 mm, while the centre hole diameter is 5.3 mm, and the core diameter is 49.5 mm. With a recess diameter of 41.5 mm, it integrates seamlessly into standard crossover boards. The DC resistance of 0.58 Ω ensures minimal power loss, and the tight ±1% tolerance guarantees precise crossover points.

Elevate your speaker designs with this meticulously engineered air core coil, offering exceptional build quality and electrical performance for discerning audio enthusiasts.