Loudspeaker degradation takes on various forms. Almost all speaker designs fall victim to some kind of change with age. In the case of the ProAc Response 2's, look for the following: 1).- The Scan-Speak silk-dome tweeters could eventually lose their stiffness as they are exposed to humidity. As these become softer, their response could change. 2).- The ATC drivers (woofer-mid), if they have a foam surrounds, they will eventually get dry-rot and disintegrate. If the surrounds are of buytl rubber, this material increases in stiffness over time, which changes the response, and eventually will tear under excursion. Buytl surrounds, being difficult to attach to polymer/plastic cones, sometimes detach from the cone as the glue, much like contact cement, dries out. Some manufacturers prevent this by sewing their buytl surrounds to the cones. Lifespan? It could be easily twenty years. However, loudspeaker technology is not one of quantum leaps but of small refinements, which with the passing years means much better loudspeakers in general. The trick is to keep listening to what's available and judge whether it is "better or worse" than what you have. After nine years with the same speakers, this listener recently went looking for something "better" and found it. Nontheless, although better, the new speakers were not strikingly different from the old, just more "refined".
How long do high quality speakers "last"
I am the original owner of a pair of ProAc Response 2 speakers. They are almost 7 years old, but have never been driven excessively hard. How long (i.e. useful lifespan in years) can I expect these speakers to "last" (i.e. no significant sonic degradation) if I care for them carefully? When they do start to degrade, what mechanical failures and sonic degradations can I expect to occur? Thanks in advance!!!
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- 43 posts total
- 43 posts total