If treated properly, speakers will work for decades, although there can be some wear and tear issues because they do have moving parts. We get many perplexed customers with damaged speakers. How did it happen" Common problems:
1- Over or under powering. You can have a 1000 watt speaker, but if you use a 50 watt amp with the volume turned up higher that halfway, it will produce a square wave or clipping and it will be the bad signal that damages the voice coil.
2- Bad wiring: in the speaker cabinet, in the cabling to the speakers, from the amp, in the building- can all cause an intermittent signal and transients that can damage a speaker.
3- Turning the amp on with the volume turned up- more transient damage
4- Using outdoors. You cannot get the same volume from your speakers outside as you will inside. If you attempt to compensate by turning up the volume, you can go clip the signal. The techs at Sweetwater have it right when they say “Outdoor gigs require at least 12dB (16x’s the power) more sound output than indoors, and as much as 20dB (100x’s power!) to really do it right.”
5- Feedback at a high volume- causes one frequency to amplify for a long time overheating the voice coil
6- Power surges- from the electric company,or as listed above: turning volume on with power up too high, intermittant cabling etc.
How Can We Help" We can recone your speakers or send you DIY recone kits. We can install new Diaphragms or send you replacement Diaphragms. We can repair your crossovers. We can handle any and all of your speaker repair needs. Let us know how we can help you.