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<blockquote data-quote="brian84corvette" data-source="post: 5421652" data-attributes="member: 586635">hello all.i wana make a wall.&nbsp;&nbsp; possibly a temp wall to start with,that is actually a box,&nbsp; but with small trim pannels to complete the wall.I drive a vette.&nbsp;&nbsp; its a crap box.&nbsp; its ok - I dealhave been driving around with out my rear view mirror for a week.I think I can hack it.my sub is 18&quot; re sx.&nbsp;&nbsp; wants 8.0 cubes net.port recomendation is 35 hz.I might wana tune my wall port in the 38 to 40 range tho.id like to do hair tricks,&nbsp; and be stupid loud.im already silly loud with my 5.4 cube net ported box,&nbsp; sub up rear port at glassbut the port and sub firing directly up at my hatch glass is causing quite a rukusback there,&nbsp;&nbsp; and I cant seem to shut that shit up.&nbsp; ( the glass and rear latch are rattling a ton )so sub facing foward to cabbin -&nbsp; and port also = best idea to me = wall.if sub is dead center -&nbsp;&nbsp; I woud want 2 ports.&nbsp; &nbsp; maby by each head rest of the seats.&nbsp; &nbsp; wana be loud as f.&nbsp; &nbsp; how large should the slot ports be ?like 4&quot; by 8&quot; each one - and how deep is obviously determined by cubic area inside the box right ???&nbsp;&nbsp; to give certan hz tuning ......any one who has actually made a wall in their rides ,&nbsp; please chime in.lmk how you used certan mathmatical formulas to calculate portand tuning,&nbsp;&nbsp; as im a little lost.&nbsp; &nbsp;&nbsp; mostly cause im going to build box inside of the car - and realley dont know exactly how many cubes im going to end up with.altho im hoping for 8.0 net.&nbsp; after ports and sub disp.my sub sound good on 5.4 cubes net,&nbsp;&nbsp; but it seems like it would realley shinein a much larger box I think.any how,&nbsp; chime in.lmk how you guys think I should start to calculate this stuff.id like to start collecting materials for it.</blockquote>

[QUOTE="brian84corvette, post: 5421652, member: 586635"] hello all. i wana make a wall. possibly a temp wall to start with, that is actually a box, but with small trim pannels to complete the wall. I drive a vette. its a crap box. its ok - I deal have been driving around with out my rear view mirror for a week. I think I can hack it. my sub is 18" re sx. wants 8.0 cubes net. port recomendation is 35 hz. I might wana tune my wall port in the 38 to 40 range tho. id like to do hair tricks, and be stupid loud. im already silly loud with my 5.4 cube net ported box, sub up rear port at glass but the port and sub firing directly up at my hatch glass is causing quite a rukus back there, and I cant seem to shut that shit up. ( the glass and rear latch are rattling a ton ) so sub facing foward to cabbin - and port also = best idea to me = wall. if sub is dead center - I woud want 2 ports. maby by each head rest of the seats. wana be loud as f. how large should the slot ports be ? like 4" by 8" each one - and how deep is obviously determined by cubic area inside the box right ??? to give certan hz tuning ...... any one who has actually made a wall in their rides , please chime in. lmk how you used certan mathmatical formulas to calculate port and tuning, as im a little lost. mostly cause im going to build box inside of the car - and realley dont know exactly how many cubes im going to end up with. altho im hoping for 8.0 net. after ports and sub disp. my sub sound good on 5.4 cubes net, but it seems like it would realley shine in a much larger box I think. any how, chime in. lmk how you guys think I should start to calculate this stuff. id like to start collecting materials for it. [/QUOTE]

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