Intertechnik FE130/180/20 | 18 mH | 0.33 Ω | 5% | 12 AWG | Transformer Core Coil

The Intertechnik Transformer Coil, rated at 18 mH and identified by the FE130 designation, represents a high-quality component for discerning audio enthusiasts and professional loudspeaker designers. This precision-wound coil is engineered to deliver accurate and reliable performance in crossover networks, ensuring that your speaker systems produce clean, well-defined sound with minimal distortion.

Ideal for use in passive crossover circuits, this coil excels at filtering specific frequency ranges to direct the correct signals to woofers, midrange drivers, and tweeters. Whether you are building custom loudspeakers from scratch, upgrading an existing design, or repairing vintage audio equipment, this component provides the consistency and electrical stability required for critical audio applications. Its robust construction makes it suitable for both home hi-fi systems and professional studio monitors.

Technically, this coil offers an inductance of 18 mH with a tight tolerance of ±5.0%, ensuring predictable and repeatable performance. The DC resistance is a low 0.33 Ω, which minimises power loss and heat generation, while the 2.00 mm copper wire diameter allows for efficient current handling. The external diameter measures 13 mm, with a recess diameter of 5.5 mm, facilitating straightforward mounting in your enclosure. Manufactured by Intertechnik, a trusted name in audio components, this coil combines precision engineering with durable materials.

For your next loudspeaker project, this transformer coil delivers the accuracy and reliability needed to achieve superior sound quality.