gofar99 Messages: 1949 Registered: May 2010 Location: Southern Arizona
Illuminati (5th Degree)
Hi, For conventional speakers I figure about 25-30 years or so.. I have some Klipsch KG4s from ca 1976 and they are just fine. I reconed a set of Altec 10-10s that were about the same age about 5 years ago. I did the recone because one got
damaged not because they failed. On the other had a set of Pioneers only went 10 years before going south. For other types like my ESLs they recommend changing the mylar at about 15 years. Mine are now 10 and show no signs of problems. Other folks might have some different experiences but if you need to change/repair yours more often you are probably over driving them and causing issues with the coil wires or former.
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