Speaker Voice Coil Neodymium Rings
Thin-wall neodymium rings for audio speaker voice coils, shipped unmagnetized. HTS 8505.19.3000 covers these specialized 'other' permanent magnet articles. Precision ID/OD tolerances ensure gap clearance in speaker assembly.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-assembled into complete speaker units
Finished speakers including magnets classify under microphone/speaker heading.
If magnetized transformer core rings
Similar ring geometry but transformer end-use changes electrical classification.
If Alnico rings for vintage speakers
Traditional speaker magnets of Alnico have specific alloy subheading.
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Import Tips & Compliance
• Frequency response simulation data validates audio-grade magnetic properties
• Epoxy coating specs prevent corrosion in humid speaker environments
• Avoid axial magnetization pre-import to maintain precursor status
Related Products under HTS 8505.19.30.00
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