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<blockquote data-quote="defdaboss" data-source="post: 6912529" data-attributes="member: 601497">4 12&quot; rockford fosgate HX2 subs and 2 800.2 old school fosgate amp.i had (2) 2 12&quot; seal in a 15 H x 15 L x 30 W box (common box) and decided to upgrade to a port box. i know port require more volume than seal.i build 2 12&quot; box measuring 17 H x 15 D 32 W ported 1&quot;. wood thickness .75&quot;it&#039;s the biggest i could go.box volume (Ft3) = 1.62tuned frequency (FB)= 36 hzaccording to the manual the mininum allow for port box is Vb (min.) 1.50 cu. ft.------------------------------------------------------------------------------now my problem here is i was told 2 12&quot; ported would sound ALMOST like 4 12&quot; seal. and honestly it&#039;s loud okay but it&#039;s no where NEAR as loud as my 4 12&quot; is my box too small? also my port box is just a SLOT. not an L shape could this be the reason?each sub will be punching a lil over 400 watts each out of my 800.2 ... will a 1.62 ft3 box be big enough for that much power? it kinda sound distorted when i go really loud</blockquote>

[QUOTE="defdaboss, post: 6912529, member: 601497"] 4 12" rockford fosgate HX2 subs and 2 800.2 old school fosgate amp. i had (2) 2 12" seal in a 15 H x 15 L x 30 W box (common box) and decided to upgrade to a port box. i know port require more volume than seal. i build 2 12" box measuring 17 H x 15 D 32 W ported 1". wood thickness .75" it's the biggest i could go. box volume (Ft3) = [COLOR=Red]1.62[/COLOR] tuned frequency (FB)= 36 hz according to the manual the mininum allow for port box is Vb (min.) 1.50 cu. ft. ------------------------------------------------------------------------------ now my problem here is i was told 2 12" ported would sound ALMOST like 4 12" seal. and honestly it's loud okay but it's no where NEAR as loud as my 4 12" is my box too small? also my port box is just a SLOT. not an L shape could this be the reason? each sub will be punching a lil over 400 watts each out of my 800.2 ... will a 1.62 ft3 box be big enough for that much power? it kinda sound distorted when i go really loud [/QUOTE]

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