Recommended sub for a 0.4 cu ft box?
Thread Starter
Team Owner
Joined: May 2002
Posts: 24,337
Likes: 25
From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
Recommended sub for a 0.4 cu ft box?
I built a box, it's only .42 cu ft, that's all the room there is for it.
Looking for a 10" sub to stick in there. How big a deal are the sealed box ratings on these subs? Most are > .65 cu ft, and there's a few rated below that.
Should I pay any attention to these numbers?
I'm looking for something mild <200rms that I can maybe drive with a 4+1 amp.
Looking for a 10" sub to stick in there. How big a deal are the sealed box ratings on these subs? Most are > .65 cu ft, and there's a few rated below that.
Should I pay any attention to these numbers?
I'm looking for something mild <200rms that I can maybe drive with a 4+1 amp.
Burning Brakes
Joined: Jan 2003
Posts: 1,207
Likes: 27
From: Sun Diego CA
Originally Posted by CentralCoaster
I built a box, it's only .42 cu ft, that's all the room there is for it.
Looking for a 10" sub to stick in there. How big a deal are the sealed box ratings on these subs? Most are > .65 cu ft, and there's a few rated below that.
Should I pay any attention to these numbers?
I'm looking for something mild <200rms that I can maybe drive with a 4+1 amp.
Looking for a 10" sub to stick in there. How big a deal are the sealed box ratings on these subs? Most are > .65 cu ft, and there's a few rated below that.
Should I pay any attention to these numbers?
I'm looking for something mild <200rms that I can maybe drive with a 4+1 amp.
Safety Car
Joined: Aug 2004
Posts: 4,734
Likes: 232
From: Youngstown Ohio
Check out Image Dynamics.
http://www.imagedynamicsusa.com/page.php?page=products#
They have several 10's that will fit you box size and they make a very nice product. I have two 8 inch subs in my car and they handle plenty of power and sound great.
It is true that poly fill will make the woofer think the space is a bit bigger but your only looking at about 10%-20% at the most.
As far as staying in the manufactures specs I feel it is important. Yes the driver will work in a box that is smaller than recommended but it will not sound as good as it can. My experiance with a box that is too small, say .4 cu. ft. when spec is .65 cu. ft., is the woofer sounds a bit dead, it just doesn't have the space to work with that it needs.
Hope this helps and any other thoughts just post and I'm sure you will get the help you need.
http://www.imagedynamicsusa.com/page.php?page=products#
They have several 10's that will fit you box size and they make a very nice product. I have two 8 inch subs in my car and they handle plenty of power and sound great.
It is true that poly fill will make the woofer think the space is a bit bigger but your only looking at about 10%-20% at the most.
As far as staying in the manufactures specs I feel it is important. Yes the driver will work in a box that is smaller than recommended but it will not sound as good as it can. My experiance with a box that is too small, say .4 cu. ft. when spec is .65 cu. ft., is the woofer sounds a bit dead, it just doesn't have the space to work with that it needs.
Hope this helps and any other thoughts just post and I'm sure you will get the help you need.
Melting Slicks
Joined: Oct 2004
Posts: 2,863
Likes: 150
From: Woodland CA
Diamond Audio makes a 10 inch sub that works in the .34 sealed box.
http://www.diamondaudio.com
Boston Acoustics might make something that might work as well.
http://www.bostonacoustics.com
And of course Eclipse
http://www.eclipse-web.com
http://www.diamondaudio.com
Boston Acoustics might make something that might work as well.
http://www.bostonacoustics.com
And of course Eclipse
http://www.eclipse-web.com
Last edited by Homer3D; Feb 12, 2006 at 01:04 PM.
Thread Starter
Team Owner
Joined: May 2002
Posts: 24,337
Likes: 25
From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
All Diamond Audio's stuff is rated between .65 and 1.25 cu ft.
A few of the Boston's look good for small volumes, I've been impressed with boston stuff in the past.
I'll just call crutchfield and let them overcharge me in exchange for some helpful advice.
A few of the Boston's look good for small volumes, I've been impressed with boston stuff in the past.
I'll just call crutchfield and let them overcharge me in exchange for some helpful advice.
Thread Starter
Team Owner
Joined: May 2002
Posts: 24,337
Likes: 25
From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
Looks like Image Dynamics is the way to go...
So with a bridged 2-channel amp, I need a single voice coil sub or dual for 4 ohm?
So with a bridged 2-channel amp, I need a single voice coil sub or dual for 4 ohm?
Last edited by CentralCoaster; Feb 12, 2006 at 05:14 PM.
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Thread Starter
Team Owner
Joined: May 2002
Posts: 24,337
Likes: 25
From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
I don't have an amp. But I'm looking at bridging 2 channels off a 4ch amp, and powering the front components off the rest.
So this'd leave me with a 2ohm output right?
So this'd leave me with a 2ohm output right?
Safety Car
Joined: Aug 2004
Posts: 4,734
Likes: 232
From: Youngstown Ohio
Yep, in that case you would end up with the amp on those two channels running at two ohms. Just make sure that the amp you are getting is able to run at two ohms on those two channels, many are not rated to do so. 
If you end up needeing the amp to see 4 ohms you can wire a dual 2 ohm sub in series and the amp will see 4 ohms.
If you end up needeing the amp to see 4 ohms you can wire a dual 2 ohm sub in series and the amp will see 4 ohms.
Thread Starter
Team Owner
Joined: May 2002
Posts: 24,337
Likes: 25
From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
I bought a dual-2 ohm sub.
I really have absolutely no idea what I'm doing.
So the amp will be 4 ohms to each of the front channels, and bridged 4 ohms to the sub.
I really have absolutely no idea what I'm doing.
So the amp will be 4 ohms to each of the front channels, and bridged 4 ohms to the sub.
Le Mans Master
Joined: Jun 2004
Posts: 5,572
Likes: 4
From: Los Angeles Ca
Originally Posted by CentralCoaster
I bought a dual-2 ohm sub.
I really have absolutely no idea what I'm doing.
So the amp will be 4 ohms to each of the front channels, and bridged 4 ohms to the sub.
I really have absolutely no idea what I'm doing.
So the amp will be 4 ohms to each of the front channels, and bridged 4 ohms to the sub.
Melting Slicks
Joined: Dec 2004
Posts: 2,394
Likes: 0
From: Bay Area CA
Can't go wrong with Image Dynamics .
Figured I would throw this link in even though it is a 12". Designed to work in enclosures down to .25 ft^3.
http://www.diymobileaudio.com/forum/...ead.php?t=1646
Fej
Figured I would throw this link in even though it is a 12". Designed to work in enclosures down to .25 ft^3.
http://www.diymobileaudio.com/forum/...ead.php?t=1646
Fej
Le Mans Master
Joined: Aug 2005
Posts: 7,201
Likes: 0
From: DP(oh you know where) IL
St. Jude Donor '06
i went with the dual 10" IDQ's. they hit hard and thats off a phoenix gold octane r 8.0:4 amp. Im very happy with them and just wanted to thank you guys on the forum here for recommending them
Last edited by DPG; Feb 17, 2006 at 04:33 PM.
Thread Starter
Team Owner
Joined: May 2002
Posts: 24,337
Likes: 25
From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
Here's my setup so far:
Image Dynamics IDQ10, 250/500 watt
JBL GTO75.4 520 watts, 104rmsx4, 284rms bridged.
I'm getting a jigsaw tonight to cut the enclosure hole.
I'm very happy with the enclosure, I'll show some pics later.
Image Dynamics IDQ10, 250/500 watt
JBL GTO75.4 520 watts, 104rmsx4, 284rms bridged.
I'm getting a jigsaw tonight to cut the enclosure hole.
I'm very happy with the enclosure, I'll show some pics later.
