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View Full Version : which sub setup



swc204
07-30-2005, 12:19 AM
Hey, i was looking for a sub for my bedroom( its a 16 by 12 room, if that helps any). I was looking at the rl-i 10 or http://www.partsexpress.com/pe/pshowdetl.cfm?&DID=7&Partnumber=299-660. or http://www.partsexpress.com/pe/showdetl.cfm?&DID=7&Partnumber=295-404. And other similar priced subs. I will get whatever plate amp the sub requires.
Any suggestions? I dont know how big of sub i need it that size of room.

thanks

JimJ
07-30-2005, 12:22 AM
Dayton Titanic gets my vote...

swc204
07-30-2005, 12:26 AM
how would it do off of the 250watt plate amp? even tho its rated at 500rms.

JimJ
07-30-2005, 12:30 AM
It will still work fine. If in doubt, make the box a little larger than recommended to increase efficiency.

It'll wang.

PV Audio
07-30-2005, 12:46 AM
believe me, i can vouch for that


- gone in 60 seconds

swc204
07-30-2005, 03:12 AM
It will still work fine. If in doubt, make the box a little larger than recommended to increase efficiency.

It'll wang.

sealed? ported? what kind of port? and how much larger

swc204
07-30-2005, 03:15 AM
do i need a crossover? or anything other than a plate amp and a sub and a box. thanks for all the help

JimJ
07-30-2005, 11:12 AM
The crossover is built onboard the plate amp.

Porting it would be a good idea, to get the most out of 250W...tune very low, 20-25Hz. You'll have to run the T/S params through a box calculator to get the net enclosure volume and port lengths.

swc204
07-30-2005, 02:18 PM
hows this one http://www.partsexpress.com/pdf/295-404vented.pdf? or just try to design my own.

JimJ
07-30-2005, 02:25 PM
That looks good...

PV Audio
07-30-2005, 02:29 PM
i'd design my own personally. i would tune the 12" at 20 even.

JimJ
07-30-2005, 02:31 PM
23Hz should be fine. I doubt dropping the tuning 3Hz is going to be worth redesigning the box.

If you go with that circular port design though, I would recommend Aeroports to reduce chuffing...

PV Audio
07-30-2005, 02:40 PM
23Hz should be fine. I doubt dropping the tuning 3Hz is going to be worth redesigning the box.

If you go with that circular port design though, I would recommend Aeroports to reduce chuffing...
*shrugs* personal preference

yes indeed the flared vareity of ports are quite decent

swc204
07-30-2005, 02:42 PM
should i make it any bigger? if so how much bigger?

JimJ
07-30-2005, 02:44 PM
I would use their printed specs, if going with their enclosure...no need to make it bigger in that case.

If you were to lower the tuning frequency, you'd need to compensate enclosure volume accordingly.

swc204
07-30-2005, 02:48 PM
where do i put the port at? ive never used a round port. and i cant find a port that big on there site. maybe i missed it

JimJ
07-30-2005, 02:52 PM
Generally, you want the port to point in the same direction as the driver...though people have done it many ways with good results.

swc204
07-30-2005, 03:02 PM
can someone give me a link to port that is the same size as the one partsexpress recommends in the box design im going to use.

PV Audio
07-31-2005, 12:16 AM
can someone give me a link to port that is the same size as the one partsexpress recommends in the box design im going to use.
god did grace us with pvc piping ;)

PV Audio
07-31-2005, 12:17 AM
Generally, you want the port to point in the same direction as the driver...though people have done it many ways with good results.
side firing is fine...

swc204
07-31-2005, 01:45 AM
so pvc would work? do i have to do anything special to the pipe?

JimJ
07-31-2005, 01:46 AM
It's a good idea to sand down the rough edges on both ends of the pipe, to reduce port noise.