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Topic Review (Newest First)
04-07-2014 02:00 AM
666WMD
Re: Trying to learn how to build slot boxes

You're welcome. Should make those X's nasty.
04-07-2014 01:30 AM
soloxp
Re: Trying to learn how to build slot boxes

I'll like to thank KickinBlazer for stand up late helping me under stand slot ports, I also like the thank 666WMD for helping out and giving me some pointer too.

Thanks guys...

[IMG][/IMG]
04-06-2014 05:29 AM
666WMD
Re: Trying to learn how to build slot boxes

The tuning will stay the same if it's what you want. As a rule, people go with port area being related to volume, but you also have to take into account the subs excursion. In the past most subs excursion was around 20mm, but newer subs like the SD X and Z have increased to 30mm so need more port area to keep up with the increased pressure inside the enclosure.
Seeing people run more power is a sign of underrated subs becoming more popular.
04-06-2014 04:03 AM
soloxp
Re: Trying to learn how to build slot boxes

Question...the more power you have the smaller the box you need, with in the sub spec. Lower power you go for bigger box. Is the tuning the same. I see a lot of people with big boxes and lot of power.
04-06-2014 03:35 AM
666WMD
Re: Trying to learn how to build slot boxes

Looks good to me.
04-06-2014 01:51 AM
soloxp
Re: Trying to learn how to build slot boxes

Ok, new stuff...how this look.

[IMG][/IMG]

[IMG][/IMG]

[IMG][/IMG]
04-05-2014 04:10 PM
soloxp
Re: Trying to learn how to build slot boxes

[QUOTE=666WMD;943927]
With those dimensions, are you going to build the box in the trunk? Cos it probably won't fit in through the opening once it's built.

That open is 17", (have to put the box in side ways, then turn it) right now I have the same side box in car with a 8" port. I want to try a slot box and also learn how to tune the port on them.

O and thanks on the port walls...i didn't see that last night. That brings the box to 4.57 net. I can bring down the port length now.
04-05-2014 03:55 AM
666WMD
Re: Trying to learn how to build slot boxes

Quote:
Originally Posted by soloxp View Post
I'm trying to learn how to build slot boxes, this will be my first box with out using (RE Box Cal). Can someone double check to see if the port is right. The box is 15h x 36w x 25d. Looking for around 27-28hz for 2 X12.

Thanks

x12.png Photo by soloxp | Photobucket

x12.jpg Photo by soloxp | Photobucket
Port length is measured down the middle of the port, not along the wall. The one you have pictured would be 28.08".

Quote:
Originally Posted by soloxp View Post
if i understand you, 15x36x24 is the max dimension i that will fix. box will be firing in to the car
With those dimensions, are you going to build the box in the trunk? Cos it probably won't fit in through the opening once it's built.

Quote:
Originally Posted by KickinBlazer View Post


with at least 4.5 inches of space on the port side of box it would effectivlly lower tuning another 2hz....and mount the woofers closer together and away from the port opening inside the box that will help port tuning aswell
You might want to change the # of common port walls to 3, it might change the net volume and tuning. At the moment it thinks you are doing a square port touching only one wall of the enclosure.
04-05-2014 03:11 AM
KickinBlazer
Re: Trying to learn how to build slot boxes

Quote:
Originally Posted by soloxp View Post
Cool, thanks again. good night
np man il take a look at the sketchup when it posts up tommorow
04-05-2014 03:05 AM
soloxp
Re: Trying to learn how to build slot boxes

Cool, thanks again. good night
04-05-2014 03:00 AM
KickinBlazer
Re: Trying to learn how to build slot boxes

the lowest i would ever go on a slot port is 14.5 square inches of port per cube...and 10 square inches of port per cube on aero's
04-05-2014 02:58 AM
KickinBlazer
Re: Trying to learn how to build slot boxes

Quote:
Originally Posted by soloxp View Post
So 4.75 is best over 4.5?
i had to enlarge the port to get the right amount of port area....i try at get at least 15.5 square inches of port per design
04-05-2014 02:57 AM
KickinBlazer
Re: Trying to learn how to build slot boxes

Quote:
Originally Posted by soloxp View Post
Thanks, I appreciate your help. I'll do the box in sketchup sometime today and post it to see if i put the sub in the right place.
ok we shall see later..time for bed for me i get to go to a sub collectors house tommorow with several old school subs and motors to take a look at
04-05-2014 02:55 AM
soloxp
Re: Trying to learn how to build slot boxes

So 4.75 is best over 4.5?
04-05-2014 02:51 AM
soloxp
Re: Trying to learn how to build slot boxes

Thanks, I appreciate your help. I'll do the box in sketchup sometime today and post it to see if i put the sub in the right place.
04-05-2014 02:45 AM
KickinBlazer
Re: Trying to learn how to build slot boxes



with at least 4.5 inches of space on the port side of box it would effectivlly lower tuning another 2hz....and mount the woofers closer together and away from the port opening inside the box that will help port tuning aswell
04-05-2014 02:35 AM
soloxp
Re: Trying to learn how to build slot boxes

29hz will be ok.
04-05-2014 02:33 AM
KickinBlazer
Re: Trying to learn how to build slot boxes

and are you sure you want to tune that low 27 to 28hz is low as hell....lowest id tune is 29....even at 29 you could dip down to 24hz with authority
04-05-2014 02:31 AM
soloxp
Re: Trying to learn how to build slot boxes

4.5 should be find.
04-05-2014 02:30 AM
KickinBlazer
Re: Trying to learn how to build slot boxes

well you would need all of the max measurments to make this work and the port would need to be widened to 4.5 inches so do you have 4.5 inches on the side of the box for the port to breath?
04-05-2014 02:28 AM
soloxp
Re: Trying to learn how to build slot boxes

Quote:
Originally Posted by KickinBlazer View Post
o damn you got plenty of power on tap .....ummm sundown recomends 2 cube per sub in high power aplications and 2.75 and higher on rated or lower power
would 4 cuft be good.
04-05-2014 02:23 AM
KickinBlazer
Re: Trying to learn how to build slot boxes

Quote:
Originally Posted by soloxp View Post
SAZ-3500 v2
o damn you got plenty of power on tap .....ummm sundown recomends 2 cube per sub in high power aplications and 2.75 and higher on rated or lower power
04-05-2014 02:21 AM
soloxp
Re: Trying to learn how to build slot boxes

SAZ-3500 v2
04-05-2014 02:18 AM
KickinBlazer
Re: Trying to learn how to build slot boxes

how much power you going to be giving the x 12's?
04-05-2014 02:17 AM
soloxp
Re: Trying to learn how to build slot boxes

Should I just stick with round ports. I might can for 26d. i'll have to check later today if that will help.
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