Somebody posted that a few applications of WD-40 significantly loosened up the hardened rubber surrounds in older speakers. Take care none gets on the cone if it absorbent. Different types of oils are used in the manufacture of rubber as plasticizers. Might be worth a try. If it doesn't work satisfactorily, the annulus can still be replaced.
FWIW, I tried adding WD40 with a Q-Tip on some new spare butyl surround drivers I had laying around. It didn't do any harm and did have some effect on the surround stiffness, and any excess can be removed with rubbing alcohol.
FWIW, I tried adding WD40 with a Q-Tip on some new spare butyl surround drivers I had laying around. It didn't do any harm and did have some effect on the surround stiffness, and any excess can be removed with rubbing alcohol.
Last edited:
- Status
- This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.