65.8 core
N-20/2S
QT0000542
OD 190 mm
ID 65.8 mm
SOD 178 mm
Use the catalog to compare structured speaker spider and damper specifications before sending a factory RFQ.
Filters cover voice-coil group, material family, OD range, ID range, and keyword search across NO., model, and material code.
These guides help buyers confirm spider dimensions, materials, voice-coil fit, and factory sampling direction before requesting a quote.
How to compare OD, ID, SOD, free height, corrugation, material, and factory sampling requirements when choosing a speaker spider.
Compare cloth, cotton, Nomex, composite materials, resin treatment, and stiffness requirements before confirming damper samples.
A practical checklist for matching spider inner diameter, voice-coil group, excursion, and cone assembly clearance.