What to do with old car sub?

jwb009 · 28th February 2006, 11:54 PM

Hi,
I have an old Eclipse 12" sub that I used in my car back in my highschool days. It's been collecting dust for quite awhile now, and I thought maybe I could build a HT sub out of it. Is this feasible? If so, which plate amp should I get?

I used a 50w x 2 Rockford Fosgate amp in my car (before they sold out to best buy). So how bout a 100w amp from PE? Any info and ideas appreciated. Thanks

Bogie · 3rd March 2006, 01:30 PM

It probably won't work all that well for home theater or indoor music. Auto subs are generally built for about 50hz as the lowest that they really worry about. For home theater, to do it right, you want a sub with an fs of about 20hz, and plenty of xmax. I've got a pair of PE's Dayton Quatro 15 drivers in 5.5 cube 18.5hz ported boxes, and they have the potential to really hack off the neighbors.

Of course, initially, I was going to suggest plugging it into the wall...

DoomPixie · 5th March 2006, 05:33 PM

depends what your after, i use a car sub in my computer sound system and it sounds a lot better than any of the other sub's i have tried.. It's also LOUD.. just remember they usually need more power to make them sing indoors.. it's in a ported box btw.. didnt have much luck with car subs in sealed boxes indoors.. but ported do work.. just dont expect them to beat a GOOD home theater sub..
Owen

69stingray · 8th March 2006, 02:13 AM

I say build a box for them....what do you have to loss? I did and not too bad considering my only true cost was materials and a plate amp. The subs were collecting dust.

http://home.comcast.net/~zachbeth/AU.../SUBWOOFER.htm

DigitalJunkie · 8th March 2006, 02:58 AM

I just stuck a 'no-name' cheap-o 12-inch driver in a 1.96CuFt sealed box I had sitting around..Not too bad really!
And all it cost was a can of spraypaint! (the box was un-painted.)

I'm with 69stingray -Build/buy a simple box and give it a shot!
If it works out you've got a sub,if not you're not out much.

jwb009 · 8th March 2006, 04:17 AM

Good call. Materials are free for me, so I just need an amp, might as well give it a go! thanks

28th February 2006, 11:54 PM	#1
jwb009 diyAudio Member Join Date: Sep 2005	What to do with old car sub? Hi, I have an old Eclipse 12" sub that I used in my car back in my highschool days. It's been collecting dust for quite awhile now, and I thought maybe I could build a HT sub out of it. Is this feasible? If so, which plate amp should I get? I used a 50w x 2 Rockford Fosgate amp in my car (before they sold out to best buy). So how bout a 100w amp from PE? Any info and ideas appreciated. Thanks

8th March 2006, 02:13 AM	#4
69stingray diyAudio Member Join Date: Apr 2005 Location: NH	I say build a box for them....what do you have to loss? I did and not too bad considering my only true cost was materials and a plate amp. The subs were collecting dust. http://home.comcast.net/~zachbeth/AU.../SUBWOOFER.htm __________________ Audio DIY Page FOLLOWMY529.COM - Subscribe and follow the performance of my daughter's 529 College Saving Account.

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3rd March 2006, 01:30 PM	#2
Bogie diyAudio Member Join Date: Dec 2004 Location: St. Louis	It probably won't work all that well for home theater or indoor music. Auto subs are generally built for about 50hz as the lowest that they really worry about. For home theater, to do it right, you want a sub with an fs of about 20hz, and plenty of xmax. I've got a pair of PE's Dayton Quatro 15 drivers in 5.5 cube 18.5hz ported boxes, and they have the potential to really hack off the neighbors. Of course, initially, I was going to suggest plugging it into the wall...

5th March 2006, 05:33 PM	#3
DoomPixie diyAudio Member Join Date: Jun 2005 Location: Aberystwyth / Llanelli (wales)	depends what your after, i use a car sub in my computer sound system and it sounds a lot better than any of the other sub's i have tried.. It's also LOUD.. just remember they usually need more power to make them sing indoors.. it's in a ported box btw.. didnt have much luck with car subs in sealed boxes indoors.. but ported do work.. just dont expect them to beat a GOOD home theater sub.. Owen

8th March 2006, 02:58 AM	#5
DigitalJunkie diyAudio Member Join Date: Apr 2003 Location: Portland,Oregon Blog Entries: 4	I just stuck a 'no-name' cheap-o 12-inch driver in a 1.96CuFt sealed box I had sitting around..Not too bad really! And all it cost was a can of spraypaint! (the box was un-painted.) I'm with 69stingray -Build/buy a simple box and give it a shot! If it works out you've got a sub,if not you're not out much.

8th March 2006, 04:17 AM	#6
jwb009 diyAudio Member Join Date: Sep 2005	Good call. Materials are free for me, so I just need an amp, might as well give it a go! thanks

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