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97 GTP box
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<blockquote data-quote="Moble Enclosurs" data-source="post: 7503279" data-attributes="member: 634917"><p>Both. The recommendations are just that......recommended for optimal performance. The listener creates a less than optimal configuration everytime, because everyone is different. But yes, it is taken into consideration. The recommendations, just as any, are for a basis, and will likely always be altered for a specific listening preference, BUT a basis is always best to use as it allows the driver to be controlled the way it was meant to. You dont want to put a 10" sub in an 8 cubic ft ported box just because you want to play below 20Hz.it will unload at high power, no question. So, given the driver recommendations (my own calculations), we can keep tuning controlled as well as all other factors by basing the changes from basis parameters.</p><p></p><p>As far as "norm", I do not base anything on "norms", but individual preferences and off of correct acoustics for safe operation of the driver and proper loading and acoustical performance. You would be surprised how many people come to enjoy the sound of a properly designed subwoofer box above 40Hz tuning.....even some at 50. The designs at the clubs, and concerts are not even designed to perform with efficiency below 50hz, even though it feels like it. It just happens that a lot of people like 30-33hz for low end sound, but this is not always recommended. And in some cases, tuning as low as 30 can ruin the efficiency of the design, depending on the preferences, variables, and limitations of course.</p><p></p><p>By the way, where do you plan on building the box, if not in the trunk? And again, I cannot give anymore information about a design without a purchase of a design.</p></blockquote><p></p>
[QUOTE="Moble Enclosurs, post: 7503279, member: 634917"] Both. The recommendations are just that......recommended for optimal performance. The listener creates a less than optimal configuration everytime, because everyone is different. But yes, it is taken into consideration. The recommendations, just as any, are for a basis, and will likely always be altered for a specific listening preference, BUT a basis is always best to use as it allows the driver to be controlled the way it was meant to. You dont want to put a 10" sub in an 8 cubic ft ported box just because you want to play below 20Hz.it will unload at high power, no question. So, given the driver recommendations (my own calculations), we can keep tuning controlled as well as all other factors by basing the changes from basis parameters. As far as "norm", I do not base anything on "norms", but individual preferences and off of correct acoustics for safe operation of the driver and proper loading and acoustical performance. You would be surprised how many people come to enjoy the sound of a properly designed subwoofer box above 40Hz tuning.....even some at 50. The designs at the clubs, and concerts are not even designed to perform with efficiency below 50hz, even though it feels like it. It just happens that a lot of people like 30-33hz for low end sound, but this is not always recommended. And in some cases, tuning as low as 30 can ruin the efficiency of the design, depending on the preferences, variables, and limitations of course. By the way, where do you plan on building the box, if not in the trunk? And again, I cannot give anymore information about a design without a purchase of a design. [/QUOTE]
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