how to check sub and amp??

[deLeo 10+ year member]

okay well i pulled everything out and dmmed everything its all reading good...

i think one of the coils on my sub is messed up but the dmm still reads 1.7 on each coil.

how can i test the sub and then how can i test the amp to see what blew?

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[deLeo 10+ year member]

k i put a 9v on each coil and everything is good with the sub...

amp isnt in protect and still plays im so confused lol

 

[deLeo 10+ year member]

Boobies?