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High-fidelity speaker voice coil and crossover potting

2025-09-11

Applications: High-end Hi-Fi speaker woofer voice coils and precision crossover circuits.

Challenges: Vigorous movement of the voice coil under high power generates high heat, vibrations cause micro-noise (hum) in the crossover inductor, and humid air oxidizes the copper wire.

Solution: Dip-potting the voice coil bobbin and integrally potting the inductors and capacitors on the crossover.

Core Value: Excellent thermal conductivity helps dissipate heat from the voice coil and increase power handling. The elastic potting compound effectively dampens vibrations, eliminates micro-noise, and isolates oxygen and moisture, protecting the voice coil and components and reproducing pure, powerful sound.

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