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Aux feed subs?
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<blockquote data-quote="Jack Arnott" data-source="post: 90511" data-attributes="member: 304"><p>Re: Aux feed subs?</p><p></p><p>Regarding phase shift, and subs. </p><p>I have not read the thread for a while. I have been percolatin'. </p><p></p><p>It seems to me that the matter at hand is being looked at from the wrong end of the telescope. </p><p>I think that no matter how you go about getting a *haystack* low end on the kick drum, there is going to be phase shift. </p><p>EG, if you have a perfectly flat PA, both frequency and phase. Then you are going to have to boost a lot of LF on the kick strip to get that haystack. This is going to induce phase shift. </p><p>And to my way of thinking, no matter where you do get your boost from, it is going to bring phase shift into the equation. So, if you separate the crossover frequencies, and then boost the sub output, this is still going to induce relative phase shift. So, no matter where the gain comes from, if it is not naturally there in the signal when it reaches the board, there is going to be phase shift. </p><p></p><p>Alternatively. If you are using a lot of HPF on the input strips on the board, there is also going to be a lot of phase shift going on. </p><p></p><p>BUT, if you are using subs on an separate send, and most of your mix is not going to the subs. And if because of this, you are not using very much HPF on the board, and running your strips flatter because of this, then you will be inducing lest phase shift overall into the mix. </p><p></p><p>So, to my way of thinking at the moment, aux fed subs will not correct any phase shift in the low end, nor will they eliminate any in instruments going to the subs. </p><p>But, there will be overall much less phase shift in the mix/system. </p><p></p><p>Regards, Jack</p><p></p><p></p><p>Either that or you've been eating too much meat.</p></blockquote><p></p>
[QUOTE="Jack Arnott, post: 90511, member: 304"] Re: Aux feed subs? Regarding phase shift, and subs. I have not read the thread for a while. I have been percolatin'. It seems to me that the matter at hand is being looked at from the wrong end of the telescope. I think that no matter how you go about getting a *haystack* low end on the kick drum, there is going to be phase shift. EG, if you have a perfectly flat PA, both frequency and phase. Then you are going to have to boost a lot of LF on the kick strip to get that haystack. This is going to induce phase shift. And to my way of thinking, no matter where you do get your boost from, it is going to bring phase shift into the equation. So, if you separate the crossover frequencies, and then boost the sub output, this is still going to induce relative phase shift. So, no matter where the gain comes from, if it is not naturally there in the signal when it reaches the board, there is going to be phase shift. Alternatively. If you are using a lot of HPF on the input strips on the board, there is also going to be a lot of phase shift going on. BUT, if you are using subs on an separate send, and most of your mix is not going to the subs. And if because of this, you are not using very much HPF on the board, and running your strips flatter because of this, then you will be inducing lest phase shift overall into the mix. So, to my way of thinking at the moment, aux fed subs will not correct any phase shift in the low end, nor will they eliminate any in instruments going to the subs. But, there will be overall much less phase shift in the mix/system. Regards, Jack Either that or you've been eating too much meat. [/QUOTE]
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