QT0019281
19.8 core
QT0019281, voice coil 19.8 core, OD 78.5 mm / ID 19.8 mm / SOD 71.8 mm, material C-20 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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