Intertechnik FE130/4.7/30 | 4.7 mH | 0.08 Ω | 5% | 9 AWG | Transformer Core Coil

Achieve precise crossover filtering in your speaker builds with this high-quality air core coil from Intertechnik. Designed for audiophiles and DIY enthusiasts, this transformer coil delivers exceptional performance in passive crossover networks, ensuring accurate frequency separation for clear, detailed audio reproduction. Whether you are upgrading existing speakers or constructing custom designs, this component is ideal for midrange and bass drivers where reliable inductance is critical.

The coil offers a 4.70 mH inductance with a tight ±5% tolerance, guaranteeing consistent results in your projects. Its exceptionally low DC resistance of just 0.08 Ω minimises signal loss and power dissipation, preserving amplifier efficiency and sound quality. The 3.00 mm copper wire winding provides robust current handling, while the 13 mm outer diameter and 5.5 mm recess diameter allow for easy integration into compact crossover boards. The air core design eliminates core saturation and distortion, delivering linear performance across the audio band.

Built with precision and durability in mind, this Intertechnik coil is a reliable choice for high-fidelity audio systems. Its meticulous construction ensures long-term stability, making it a worthy investment for discerning listeners and builders alike.