QT0017689
13.6 core
QT0017689, voice coil 13.6 core, OD 37.5 mm / ID 13.6 mm / SOD 35 mm, material N-40/S Built for speaker spider, damper, and loudspeaker suspension sourcing checks.
Buying Notes
Specification check: confirm OD, ID, SOD, FH, EH, voice-coil group, and material code instead of ordering by model alone.
Sample matching: send clear photos, drawings, or key measurements when the original model is unclear.
Quote support: share quantity, destination market, and sampling needs so pricing and lead time can be confirmed.
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