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Aux feed subs?
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<blockquote data-quote="Chris Johnson" data-source="post: 89815" data-attributes="member: 975"><p>Re: Aux feed subs?</p><p></p><p></p><p></p><p>Indeed, I should have been more clear. </p><p></p><p>As with all these things, what we do in the electrical domain is merely a means to an end when it comes to influencing the acoustical domain, which is what our listeners experience.</p><p></p><p>I still use 'aux fed' subs regularly, but not in the way you typically think about them:</p><p></p><p>First off, I only feed the subs from a fixed-level group that is, within the console, phase aligned with the main outputs. I may also do the same thing with front fills, as an example. This group is setup such that having a source assigned to L,R,Sub yeilds exactly the same result as having it assigned to L,R and having the subs crossed over with the mains.</p><p>Then, instead of thinking of things I want to add to the sub, I'm really thinking of things I want to remove from the sub.</p><p>What I find is that this functions as an EQ tool, without affecting the overall system response at all. It allows me, for example, to get great low-end performance out of a vocal mic with only the 4 bands of EQ I have to work with on the console, because I'm not wasting a band tuning the effects of the sub.</p><p>Secondly, it helps in a practical sense because subs are difficult to get right. Getting great low end performance in line with the performance of the main arrays (in a typical system where you might assume the main arrays crossover at around 60-90Hz) requires lots of boxes, lots of amps, and proper positioning of sources. This is not always an available option. Sometimes because lesser system techs don't really know how to achieve these kinds of results, but often because practical considerations won't allow you to have your subs accross the front of the stage, only a LR stacks will work, or maybe you can't fly any subs, etc...</p><p></p><p>So, thats my approach. I do feed the subs a seperate console output, but its not a channel aux, and its constructed in a way that doesn't negatively impact the system as a whole.</p></blockquote><p></p>
[QUOTE="Chris Johnson, post: 89815, member: 975"] Re: Aux feed subs? Indeed, I should have been more clear. As with all these things, what we do in the electrical domain is merely a means to an end when it comes to influencing the acoustical domain, which is what our listeners experience. I still use 'aux fed' subs regularly, but not in the way you typically think about them: First off, I only feed the subs from a fixed-level group that is, within the console, phase aligned with the main outputs. I may also do the same thing with front fills, as an example. This group is setup such that having a source assigned to L,R,Sub yeilds exactly the same result as having it assigned to L,R and having the subs crossed over with the mains. Then, instead of thinking of things I want to add to the sub, I'm really thinking of things I want to remove from the sub. What I find is that this functions as an EQ tool, without affecting the overall system response at all. It allows me, for example, to get great low-end performance out of a vocal mic with only the 4 bands of EQ I have to work with on the console, because I'm not wasting a band tuning the effects of the sub. Secondly, it helps in a practical sense because subs are difficult to get right. Getting great low end performance in line with the performance of the main arrays (in a typical system where you might assume the main arrays crossover at around 60-90Hz) requires lots of boxes, lots of amps, and proper positioning of sources. This is not always an available option. Sometimes because lesser system techs don't really know how to achieve these kinds of results, but often because practical considerations won't allow you to have your subs accross the front of the stage, only a LR stacks will work, or maybe you can't fly any subs, etc... So, thats my approach. I do feed the subs a seperate console output, but its not a channel aux, and its constructed in a way that doesn't negatively impact the system as a whole. [/QUOTE]
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