2 inches taller than the subs, your going to have to angle the baffle alot though.

blah, not 15.5 I meant to say 17 inches, my bad.

Yup, 17" high and angle the baffle. It should work, but alot of angle will be needed.

[quote author=BigAir  link=1098662008&amp/0#6 date=1098715846]
 I know I've said before that I will take pics of mine, but this time I mean it.  
[/quote]

I'll hold you to that.. I want to see that thing!  ;D

Whoa that is alot of angle. Good looking box though BigAir, i'd love to have a listen.

sweet
question,

what moves more air or is louder?

2x 10 inchers long excursion 500wrms each

or

2 x 15 inchers regular excursion 250 wrms each?

my point is if we want louder / more bass why not just use more powerful 10s' and a bigger amp?

why mod the box to suit 15s?

but the driver regarless what size moves backwards and forwards at the speed the amp/signal dictates,so if a smaller driver is moveing farther then doesnt it move as much air?

Yes, but a 10" driver would have to move quite alot farther than a 15" driver to make up for the lesser cone area.

A 10" driver has roughly 78cm^3 cone area
A 15" has roughly 176cm^3

So the 10" would have to move roughly 2.25 times the distance of the 15" to achieve the same SPL at a given frequency. Of course thats assuming they both have the same sensitivity.

That is still alot more movement, and think about the excursion required to generate low frequencies such as 30Hz...

Cheers, Mike

just thinking out loud

9 volt driver?

you mean increasing the signal strength from the head unit from about 2 or 4 too 9? into the amp?

I know a DBDrag competitor hitting 163 with two 15" Juggernauts and about 3000 watts per sub. I'll second the bs call, but im sure it does hit hard.  ;D

sooooooo, If I angle it too much I won't have enough sealed air space for the subs???

Back to comparing long-excursion 10s vs. 15s there is a very good reason to go with larger drivers. The less the excursion the less the distortion and the less the strain on the driver. "Effortless" is the word for all the best bass reproducers. The less the driver moves to achieve the SPL the better.

[quote author=kmon  link=1098662008/15#28 date=1099591792]nice work guys, i was wondering what kind of mounting depth you had with the baffle at that extreme on an angle. Maybe i could invert the sub and fire into the sealed area? If i have to go with 12's my feelings wont be hurt too bad but having 15's would be nice. [/quote]
I built a 12 inch version with MTX thunder 9000's for a friend. MTX amp with 600 watts RMS bridged at 4 Ohms.  I  mounted the speaker inverted and in reverse phase.  I calculated the speaker displacement and the amount of volume I lost in the sealed side when angling the baffle.  Turning the speaker around kept the box volumes the same as before modification so the tuning would be the same....although I modded the port area to allow more airflow.  I also added some bracing in the ported side to take up some space....just try to keep your box volumes equal in ratio.  Also a note of interest....Horn mouth size is in direct ratio with cone area. 15 inch speakers have twice the cone area as ten inch drivers.  In my opinion the horn mouth should be twice the size then.... You decide. ???