There were no conduction problems, but they are inexpensive because there are small dents and wrinkles. Adopts a diamond edge with clear high frequencies! diaphragm for JBL2440/2441 If you are a user, how about taking this opportunity (Sasaki Shota)
Maintenance information: 2022.9.26 conductivity confirmed (measured resistance value 8.1 ohm/8.1 ohm)
Accessories: original box
Key Specifications: 2 inch diaphragm for JBL 2440/2441