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Speaker damage?

Hello, I was just setting up a new pair of speakers when I plugged the source's RCA connectors into the amp while the amp was already on. This produced some incoherent static - nothing too loud as the volume on the amp was only at moderate levels - but I'm still concerned this could have been bad for the speakers. The speakers are so new that I'm not familiar with the sound enough to know if it has changed. Could this have caused damage to them?

Thank you.
mtm1502
itzhak1969
515 posts
 
Most likely nothing happened and everything is OK , but next time plug interconnects or speaker cables only when the amp is off.
folkfreak's avatar
folkfreak
1,349 posts
 
One of the easiest ways to blow a woofer is with a high volume ground buzz -- loose RCA connections can do this very easily as I discovered to my cost with a pair of Magico V3s -- one reason to avoid those "twist to tighten" "collect chucking " WBT plugs, I've had too many where the shield has gotten loose
mtm1502 OP
2 posts
 
Folkfreak, that was what happened but if the volume was only at listening level or lower would there be any issue? What is the best way to tell if there was any woofer damage?
folkfreak's avatar
folkfreak
1,349 posts
 
When I damaged my woofer it was immediately audible (buzzing sounds) -- but woofers are tough and you'd really be hearing it before they got damaged -- mine was a full volume short without any volume control.
agitater
4 posts
 
The static you heard is no different in frequency range from the loud static heard between stations when running through the FM dial on a tuner. Speakers are meant to produce sound at rather loud volumes. What happened was that you were startled when you heard the sound. But your speakers weren't startled - they just did what they were supposed to do - and were not damaged in any way. 
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