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Aux feed subs?
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<blockquote data-quote="Gert Sanner" data-source="post: 88887" data-attributes="member: 4355"><p>Re: Aux feed subs?</p><p></p><p></p><p></p><p>Hi Evan,</p><p>No thats not what I am saying at all. Sorry for the confusion. What I am referring to is strictly the relationship between two components in a PA System. Because the question was about sub on aux. So lets say I have a System flown in the Air and Subs on the ground. If I control the Subvolume separate from the Main Pa Volume and turn them down for example. A certain point on the slope of the crossover filter will now move down on the frequency scale. David named that the acoustical crossover earlier on. This must have an effect on my phase alignment and time alignment between the Subs and the flown PA. So once I have tuned the system and aligned all components with each other I should not move this relationship between the cabinets anymore. So to me it seems wrong to have the subs on a separate Fader and to move them up and down during a show. Changes should, in my opinion, then only be made by EQ and to the entire System. But I am aware that the negative effects depend on many factors. What filters are used and the ideal crossoverpoint for the cabinet. But I would like to stress that I was not refering to any channel eq or Low cuts in desk channels. I am also aware that opinions here vary and some people swear by SUB on AUX. :razz:</p></blockquote><p></p>
[QUOTE="Gert Sanner, post: 88887, member: 4355"] Re: Aux feed subs? Hi Evan, No thats not what I am saying at all. Sorry for the confusion. What I am referring to is strictly the relationship between two components in a PA System. Because the question was about sub on aux. So lets say I have a System flown in the Air and Subs on the ground. If I control the Subvolume separate from the Main Pa Volume and turn them down for example. A certain point on the slope of the crossover filter will now move down on the frequency scale. David named that the acoustical crossover earlier on. This must have an effect on my phase alignment and time alignment between the Subs and the flown PA. So once I have tuned the system and aligned all components with each other I should not move this relationship between the cabinets anymore. So to me it seems wrong to have the subs on a separate Fader and to move them up and down during a show. Changes should, in my opinion, then only be made by EQ and to the entire System. But I am aware that the negative effects depend on many factors. What filters are used and the ideal crossoverpoint for the cabinet. But I would like to stress that I was not refering to any channel eq or Low cuts in desk channels. I am also aware that opinions here vary and some people swear by SUB on AUX. :razz: [/QUOTE]
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