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<blockquote data-quote="cotjones" data-source="post: 3430030" data-attributes="member: 573988">actually i did miss your post...but i don&#039;t see why it matters...i don&#039;t know exactly why...i can guess....its the frequency at which the sub reaches the best compromise between moving the cone mass quickly and mostly...so like at 20 hz the motor moves the cone mass easily but has to reach a larger&nbsp; Xmax to produce output, but at 200 hz it&#039;s harder to move the cone mass but it doesn&#039;t have to have as large of an Xman to produce the same output level...so Fs would be the peak between the graph of these 2 lines...so when 2 different size subs have the same motor (RE&#039;s) the only difference is a little added cone mass so the Fs doesn&#039;t go up as muchbut in lines of subs where bigger size = stronger motor, the added cone mass is over-compensated for with a larger motor making the Fs much lower because it is less difficult to reach a higher Xmax with a stronger motorthats just a guess...</blockquote>

[QUOTE="cotjones, post: 3430030, member: 573988"] actually i did miss your post... but i don't see why it matters... i don't know exactly why... i can guess.... its the frequency at which the sub reaches the best compromise between moving the cone mass quickly and mostly... so like at 20 hz the motor moves the cone mass easily but has to reach a larger Xmax to produce output, but at 200 hz it's harder to move the cone mass but it doesn't have to have as large of an Xman to produce the same output level... so Fs would be the peak between the graph of these 2 lines... so when 2 different size subs have the same motor (RE's) the only difference is a little added cone mass so the Fs doesn't go up as much but in lines of subs where bigger size = stronger motor, the added cone mass is over-compensated for with a larger motor making the Fs much lower because it is less difficult to reach a higher Xmax with a stronger motor thats just a guess... [/QUOTE]

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