bx for 2 type R ported

[armitank]

box for 2 alpine type R 12's..... upgrading from 1 type R to 2 and need to build a box,...

box has to be within 35" wide, 15"tall, and 19" deep.... want it to be tuned at 34hz, and have a slot port

im doing ok with the box dimensions and everything itself, but i have no idea how long or wide the port should be, any help is appreciated

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[Jeremy M 10+ year member]

RE port caculator (sp?) can give u those specs, search good for RE Audio and u should see it there...just put in what u have for dimensions then mess with the port width until u find the hz u want.

 

[armitank]

thanks alot you truly dont know how long i was looking around... i think i stumbled onto that site too, a few hours ago, but didnt realize you could replace the numbers on it with other ones...//content.invisioncic.com/y282845/emoticons/rolleyes.gif.c1fef805e9d1464d377451cd5bc18bfb.gif

 

[armitank]

is 3.6cu ft internal good for two 12" type R's? tuned at 35hz

 

[99grandprixGT 5,000+ posts]

is 3.6cu ft internal good for two 12" type R's? tuned at 35hz

wow thoose are almost exactly the dimensions i have to work with for my two 12 Rs. did you account for the woofer displacment.

 

[armitank]

wow thoose are almost exactly the dimensions i have to work with for my two 12 Rs. did you account for the woofer displacment.

yes, thats what it ended up being

 

[99grandprixGT 5,000+ posts]

if you end up building the box let me know how it sounds