1. tuning a box to 35?

i just made a fiberglass box for 2 re se's, i have heard i should tune to 35, and i need to know how to do that...

2. Re: tuning a box to 35?

The way I tuned my box years ago when I had a JL12w5 was the port length and diameter. I contact JL and they gave me the port size depending on what I wanted it tuned to.

3. Re: tuning a box to 35?

Originally Posted by hotown
i just made a fiberglass box for 2 re se's, i have heard i should tune to 35, and i need to know how to do that...
Whats the volume of the box ... what is the width and height of the port ...

- Steve

4. Re: tuning a box to 35?

the box is around 4 1/2 to 5 cubes. i didnt make any ports yet

5. Re: tuning a box to 35?

well pick a length and height, or diameter for the port, we'll give ya length..

6. Re: tuning a box to 35?

they will be 3in ports. how many do i need?

7. Re: tuning a box to 35?

For 4.75 cu ft. tuned @35Hz

Use 3 3" diameter ports that are 7.6" long.

or

Use 4 3" diameter ports that are 11" long. (more port area = less noise)

8. Re: tuning a box to 35?

it would be hard to get alot of port area with round ports but.....u could do 4 3" ports 10.85 inches long. i duno if thats enough port area tho, according to John (snova) u need 10-15 in.^3 for each cube..

9. Re: tuning a box to 35?

well, i want it loud, so dont i want less ports then? what if i made one long rectangle port across the bottom?

10. Re: tuning a box to 35?

would that work, by making a little rectangular box, and leave the 2 sides off and cut and glue that into my box? i will want it 1 1/2 high. it doesnt matter how long, cause it goes across the width of my trunk facing the inside.i just need a width and depth...if that idea will work...?

11. Re: tuning a box to 35?

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