This is a Brand NEW Aftermarket Replacement JBL / Selenium 

RPST350 8 ohm Replacement Diaphragm.

For

 JBL / Selenium ST350 Super Tweeter.

• Voice coil: 1.1875" (30mm)
• Diameter: 4.0625" (103mm)
• Impedance: 8 ohm
• Phenolic ring diaphragm on Kapton former

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