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<blockquote data-quote="cotjones" data-source="post: 5270676" data-attributes="member: 573988">I&#039;m pretty sure the 3db gain is only when you are talking about going from 1 sub to 2... doubling the output gives the 3 db increase doubling the output again would take 4 giving a total of 106db... lets just make a chart... keep in mine all subs taking same power, enclosure, air space etc.1 sub&nbsp; &nbsp; &nbsp;&nbsp; =&nbsp;&nbsp; 0db gain&nbsp; (100db&#039;s)2 subs&nbsp; &nbsp;&nbsp; =&nbsp;&nbsp; 3db gain4 subs&nbsp; &nbsp;&nbsp; =&nbsp;&nbsp; 6db gain8 subs&nbsp; &nbsp;&nbsp; =&nbsp;&nbsp; 9db gain16 subs&nbsp;&nbsp; =&nbsp;&nbsp; 12db gain32 subs&nbsp;&nbsp; =&nbsp;&nbsp; 15db gain64 subs&nbsp;&nbsp; =&nbsp;&nbsp; 18db gain128 subs =&nbsp; &nbsp; 21db gain (121 db&#039;s)so of course the numbers are rough but that is how it works? so this work too:4 subs&nbsp; &nbsp; &nbsp;&nbsp; = 0 gain (100dbs)8 subs&nbsp; &nbsp; &nbsp;&nbsp; = 3 gain16 subs&nbsp; &nbsp;&nbsp; = 6 gain32 subs&nbsp; &nbsp;&nbsp; = 9 gain64 subs&nbsp; &nbsp;&nbsp; = 12 gain128 subs&nbsp;&nbsp; = 15 gain256 subs&nbsp;&nbsp; = 18 gain512 subs&nbsp;&nbsp; = 21 gain (121 db&#039;s)right?</blockquote>

[QUOTE="cotjones, post: 5270676, member: 573988"] I'm pretty sure the 3db gain is only when you are talking about going from 1 sub to 2... doubling the output gives the 3 db increase doubling the output again would take 4 giving a total of 106db... lets just make a chart... keep in mine all subs taking same power, enclosure, air space etc. 1 sub = 0db gain (100db's) 2 subs = 3db gain 4 subs = 6db gain 8 subs = 9db gain 16 subs = 12db gain 32 subs = 15db gain 64 subs = 18db gain 128 subs = 21db gain (121 db's) so of course the numbers are rough but that is how it works? so this work too: 4 subs = 0 gain (100dbs) 8 subs = 3 gain 16 subs = 6 gain 32 subs = 9 gain 64 subs = 12 gain 128 subs = 15 gain 256 subs = 18 gain 512 subs = 21 gain (121 db's) right? [/QUOTE]

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