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Message: <blockquote data-quote="liftedcj7on44s" data-source="post: 4214961" data-attributes="member: 575614"><p>do u know how to test impedence rise? well if you have a dmm and a clamp take the dmm and connect it to the amp on the speaker terminals with the sub connected, take the clamp and put it on the positive wire running to the sub. plug in a test tone say 40hz and play this tone and get a steady reading on both the clamp and the dmm. lets say on the dmm you get 37 volts. and on the clamp you get 30 amps well divide the 2 together and you will get the impedence. this equation would come out to 1.23 ohms at 40hz. lower frequency test tones will greatly increase the impedence rise. And according to alot of people the AQ's and DD's have some of the worst impedence rise and this is probably why your voltage isnt dropping all that much.</p></blockquote><p></p>

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