The foam or rubber surround will deteriorate over time. It is the most common failure mode of a speaker that is otherwise used with care. Foam surrounds are known to last 15-18 years. Rubber surrounds could last more than 20 years. A worn surround can cause a distorted low and mid-frequency response.
What he says…and keep your loudspeakers out of direct sunlight which in addition to overheating the speaker electronics, raises holy hell with the drivers and the rubber surrounds.
The foam or rubber surround will deteriorate over time. It is the most common failure mode of a speaker that is otherwise used with care. Foam surrounds are known to last 15-18 years. Rubber surrounds could last more than 20 years. A worn surround can cause a distorted low and mid-frequency response.
What he says…and keep your loudspeakers out of direct sunlight which in addition to overheating the speaker electronics, raises holy hell with the drivers and the rubber surrounds.