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Well There is only one thing that will pop a speaker that quickly and that is a DC voltage or a speaker that was faulty before you put it in the unit but you should always be using a known GOOD bench speaker when troubleshooting a radio if you had plugged a bench speaker into the unit under test you would have found this issue in less than 10 seconds???? Just sayin! and you should always protect the bench speaker with isolation that way you don't blow your test speaker/bench speaker in the event there is a DC voltage present on the line it may sound like overkill and it may only be an issue in 1 out of 1000 radios but it's that one time you always remember. I'm still in a bad mood damn gotta get out of it. LOL

[QUOTE="OldTech03, post: 689554, member: 51291"] Well There is only one thing that will pop a speaker that quickly and that is a DC voltage or a speaker that was faulty before you put it in the unit but you should always be using a known GOOD bench speaker when troubleshooting a radio if you had plugged a bench speaker into the unit under test you would have found this issue in less than 10 seconds???? Just sayin! and you should always protect the bench speaker with isolation that way you don't blow your test speaker/bench speaker in the event there is a DC voltage present on the line it may sound like overkill and it may only be an issue in 1 out of 1000 radios but it's that one time you always remember. I'm still in a bad mood damn gotta get out of it. LOL [/QUOTE]

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