Subwoofer q's - JeepForum.com
Search  
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back JeepForum.com > General Technical Discussions > Electrical, Audio, GPS, & 2-Way Radio > Subwoofer q's

End of Summer Sale, 20% OFF!Introducing MONSTALINER™ UV Permanent DIY Roll On Bed LineRough Country Jeep Suspension Deals at Rockridge 4WD!

Reply
Unread 05-23-2004, 03:44 PM   #1
91yjeeper
Registered User
1998 TJ Wrangler 
 
Join Date: Jan 2004
Location: Utah
Posts: 274
Subwoofer q's

Ive been worrying and thinking about putting some bass into my jeep. I dont want to shake the whole neighborhood, I just want some normal sounding bass and maybe a bit more when I take the top off. Ive decided to take the route of non powered subs and an amp. My budget is under $100 and I plan of building my own downfiring ported box in the trunk. I was looking on ebay and found an xtant A1044A 10" for $50 shipped, 250 watts rms.
Is this a good sub for what I am looking for in my system? Any other opinions or suggestions are welcome.

P.S. If anyone could give me links on how to tune a slotted port for my box that I am making that would be great.

__________________
1998 Sahara TJ 4.0 6-cyl ,90kmiles, Black Hard top, 4" Rough Country Lift, 33x12.5 BFG MT's on Black Cragars, Warn XD 9000 Winch. Premium Infinity Kappa Sound System w/ 12 inch Sub. Willing to trade for White or Silver TJ. I just don't like my color.
and....1991 YJ 2.5L 4-banger, white, 130k miles, Black Supertop.3.5" BDS + 1"shackle lift, 33x12.50 BFG AT's on Black Cragar 15x8's.
91yjeeper is offline   Reply With Quote
Unread 05-23-2004, 04:19 PM   #2
skylinerider
Registered User
 
Join Date: Feb 2003
Location: Utah
Posts: 362
any specific reason why you want to go with a ported box? i would go sealed.
__________________
skylinerider™

SKYLINERIDER.NET

If you can't taste the sarcasm try licking the screen.
skylinerider is offline   Reply With Quote
Unread 05-23-2004, 05:09 PM   #3
91yjeeper
Registered User
1998 TJ Wrangler 
 
Join Date: Jan 2004
Location: Utah
Posts: 274
mostly because of the loudness of a ported box. sealed would give me more accurate bass, but I dont think that a sealed would give me a good amount of sound.
__________________
1998 Sahara TJ 4.0 6-cyl ,90kmiles, Black Hard top, 4" Rough Country Lift, 33x12.5 BFG MT's on Black Cragars, Warn XD 9000 Winch. Premium Infinity Kappa Sound System w/ 12 inch Sub. Willing to trade for White or Silver TJ. I just don't like my color.
and....1991 YJ 2.5L 4-banger, white, 130k miles, Black Supertop.3.5" BDS + 1"shackle lift, 33x12.50 BFG AT's on Black Cragar 15x8's.
91yjeeper is offline   Reply With Quote
Unread 05-23-2004, 06:48 PM   #4
omnipseudo
Registered User
 
Join Date: May 2004
Location: Vail, Colorado
Posts: 165
If you're spending around 60 for the box, and only have 40 left for the sub, youll be in a tight position to get a sub to take advantage of your 250w rms...

As far as the sealed box goes, if you design your box right, a sealed one will sound much better and also give you enough bass. I have 2 tens in a rear-firing box in the back of my TJ, and with the top off, I still hear plenty of bass going 65mph...And if i wanted to, i could still wake up the entire neibhor hood BTW : My subs run @ 300w rms.
__________________
[B]2000 Wrangler TJ Sport[/B]
Pics coming soon...
omnipseudo is offline   Reply With Quote
Unread 05-24-2004, 07:41 AM   #5
91yjeeper
Registered User
1998 TJ Wrangler 
 
Join Date: Jan 2004
Location: Utah
Posts: 274
Who said I was going to spend 60 on a box? Mostly I was thinking about 50 for the sub and 50 for the amp.
__________________
1998 Sahara TJ 4.0 6-cyl ,90kmiles, Black Hard top, 4" Rough Country Lift, 33x12.5 BFG MT's on Black Cragars, Warn XD 9000 Winch. Premium Infinity Kappa Sound System w/ 12 inch Sub. Willing to trade for White or Silver TJ. I just don't like my color.
and....1991 YJ 2.5L 4-banger, white, 130k miles, Black Supertop.3.5" BDS + 1"shackle lift, 33x12.50 BFG AT's on Black Cragar 15x8's.
91yjeeper is offline   Reply With Quote
Unread 05-24-2004, 08:42 AM   #6
SirGCal
Moderator
 
SirGCal's Avatar
 
Join Date: Jan 2003
Location: Austin, Texas
Posts: 10,843
Get the manual for the A1044A. They already did alot of the work for you. as far as tuning the box for ported.

The downside is that your going to need ALOT (over 2x) the amount of volume for a ported box as you would a sealed. (Probalby about 1.5ft^3 for what your looking for...) with a 3"x11.75" round port. (yes i can turn within the box... Leave 3" past the end of the port tips and any other surface though. (meaning it also has to be atleast 3" off the floor... for that ported design anyhow...)

You'd have to get a good speaker-box design program to accurately figure out tuning frequency... There are some routines on bcae1.com too but I'm not sure how accurate they are... (if they are stil there)

I would go sealed myself. Simply because it will still be quite bassy with a strong sub, even off only 200W, and the extremely limited room you have to work with...
__________________
Sir G. Cal - 2k Sahara TJ

Living and loving on borrowed time. Life with Multiple Sclerosis. My MS/Life blog, Audio and Electronic write-ups, project how-tos, pictures, stories, and more.

Quote:
Originally Posted by SirGCal
If you can't take a nano-second to press shift/period/etc. and make proper sentences and paragraphs, I don't know if I can take a few minutes to respond to your topics... It doesn't have to be perfect by any means, but a little effort goes a long way.
SirGCal is offline   Reply With Quote
Unread 05-25-2004, 03:07 PM   #7
91yjeeper
Registered User
1998 TJ Wrangler 
 
Join Date: Jan 2004
Location: Utah
Posts: 274
What do you guys think about a band pass, that way the sub is away from the elements, and from what i heard is pretty loud.
__________________
1998 Sahara TJ 4.0 6-cyl ,90kmiles, Black Hard top, 4" Rough Country Lift, 33x12.5 BFG MT's on Black Cragars, Warn XD 9000 Winch. Premium Infinity Kappa Sound System w/ 12 inch Sub. Willing to trade for White or Silver TJ. I just don't like my color.
and....1991 YJ 2.5L 4-banger, white, 130k miles, Black Supertop.3.5" BDS + 1"shackle lift, 33x12.50 BFG AT's on Black Cragar 15x8's.
91yjeeper is offline   Reply With Quote
Unread 05-25-2004, 04:54 PM   #8
omnipseudo
Registered User
 
Join Date: May 2004
Location: Vail, Colorado
Posts: 165
A bud of mine had 2 8" subs in a bandpass box (AudioBahn) in his wrangler, I just helped him swap them out this weekend for 2 10" bostons in a sealed box, and he loves em...The band-pass worked alright with the hardtop on, but without it, you could hardly distinguish any bass from the subs
__________________
[B]2000 Wrangler TJ Sport[/B]
Pics coming soon...
omnipseudo is offline   Reply With Quote
Unread 05-25-2004, 07:02 PM   #9
SirGCal
Moderator
 
SirGCal's Avatar
 
Join Date: Jan 2003
Location: Austin, Texas
Posts: 10,843
bandpass is a very limited design... Very strong in a very small frequency band... also require the MOST room of the 3 basic types of boxes... Also, if you DID submerge it past the ports, water will enter and never leave until you take it apart or it evaps... So for that reason I say no..

Also you lose some of your directional focus ability that you have with a down-firing, forward tilted box. You'd have to have the ports firing down in a band pass to do something similar which would mess up the properties of the bandpass and also require it to be about 4" off the floor...

Go with sealed or ported. Sealed unless you REALLY want a ported one and are willing to give up the extra room.
__________________
Sir G. Cal - 2k Sahara TJ

Living and loving on borrowed time. Life with Multiple Sclerosis. My MS/Life blog, Audio and Electronic write-ups, project how-tos, pictures, stories, and more.

Quote:
Originally Posted by SirGCal
If you can't take a nano-second to press shift/period/etc. and make proper sentences and paragraphs, I don't know if I can take a few minutes to respond to your topics... It doesn't have to be perfect by any means, but a little effort goes a long way.
SirGCal is offline   Reply With Quote
Unread 05-25-2004, 09:56 PM   #10
91yjeeper
Registered User
1998 TJ Wrangler 
 
Join Date: Jan 2004
Location: Utah
Posts: 274
Im going with sealed. I am thinking of putting a 10" kicker crv (300w rms) under the seat like sirg did. What do you guys think about that sub, and is there enough room to put it under the seat?

p.s. if not enough cubic feet under the seat, I plan on adding some poly fill to trick it into seeming like its a bigger box.
__________________
1998 Sahara TJ 4.0 6-cyl ,90kmiles, Black Hard top, 4" Rough Country Lift, 33x12.5 BFG MT's on Black Cragars, Warn XD 9000 Winch. Premium Infinity Kappa Sound System w/ 12 inch Sub. Willing to trade for White or Silver TJ. I just don't like my color.
and....1991 YJ 2.5L 4-banger, white, 130k miles, Black Supertop.3.5" BDS + 1"shackle lift, 33x12.50 BFG AT's on Black Cragar 15x8's.
91yjeeper is offline   Reply With Quote
Unread 05-26-2004, 06:47 AM   #11
SirGCal
Moderator
 
SirGCal's Avatar
 
Join Date: Jan 2003
Location: Austin, Texas
Posts: 10,843
My underseat design only allows for about .5 ft^3 of volume and a very shallow mounting depth sub. You could get slightly more depth by making the box deeper and adding a spacer around the sub but then you make the seat more uncomfortable and the sub closer to the floor.

The Kicker CVR's are nice subs but require too much volume for this install. You'd need close to 1 ft^3 to get good sound out of it and that's pushing it. Polyfill can make up a little bit but not much...

That's the catch to the seat install is sub choice Some 10" subs that might be able to pull it off: (running through the list at Crutchfield...)
  • Audiobahn Performer Series AWC10T (.7ft^3, 5", 400W) (would be tight sounding, would really need lots of polyfill...)
  • Audiobahn AW1000Q (.65ft^3, 5-1/4", 600W)
  • Infinity Kappa Perfect 10.1/10.1d (.6 ft^3, 5-3/4", 350W)
  • Polk Audio GNX104 (.66ft^3, 4-13/16", 175W)
  • Polk/MOMO MM2104 (.66ft^3, 5-3/4", 300W)
  • Polk Audio/MOMO MM104 (.66ft^3, 5-1/16", 500W)
  • Rockford Fosgate P110S4 Punch Stage 1 (.65ft^3, 4-15/16", 150W)
  • Rockford Fosgate P210S4 Punch Stage 2 (.65ft^3, 5-3/8", 200W)
  • Sony XS-L1000B (.6ft^3, 4-3/8", 150W)
__________________
Sir G. Cal - 2k Sahara TJ

Living and loving on borrowed time. Life with Multiple Sclerosis. My MS/Life blog, Audio and Electronic write-ups, project how-tos, pictures, stories, and more.

Quote:
Originally Posted by SirGCal
If you can't take a nano-second to press shift/period/etc. and make proper sentences and paragraphs, I don't know if I can take a few minutes to respond to your topics... It doesn't have to be perfect by any means, but a little effort goes a long way.
SirGCal is offline   Reply With Quote
Unread 05-26-2004, 07:41 AM   #12
omnipseudo
Registered User
 
Join Date: May 2004
Location: Vail, Colorado
Posts: 165
Yeah - the CVrs take up way too much room to even consider putting them under the seat Look into a smaller set of 2 8s or something if youd like them under the seat - your bass will be tighter and clearer
__________________
[B]2000 Wrangler TJ Sport[/B]
Pics coming soon...
omnipseudo is offline   Reply With Quote
Unread 05-26-2004, 03:00 PM   #13
91yjeeper
Registered User
1998 TJ Wrangler 
 
Join Date: Jan 2004
Location: Utah
Posts: 274
Well now that Ive though about it for a while, Im leaning towards one 10" kicker cvr in a sealed downfiring box in the back. Now I just need to get an amp to power the stinking thing, (300w rms).
__________________
1998 Sahara TJ 4.0 6-cyl ,90kmiles, Black Hard top, 4" Rough Country Lift, 33x12.5 BFG MT's on Black Cragars, Warn XD 9000 Winch. Premium Infinity Kappa Sound System w/ 12 inch Sub. Willing to trade for White or Silver TJ. I just don't like my color.
and....1991 YJ 2.5L 4-banger, white, 130k miles, Black Supertop.3.5" BDS + 1"shackle lift, 33x12.50 BFG AT's on Black Cragar 15x8's.
91yjeeper is offline   Reply With Quote
Unread 05-26-2004, 04:41 PM   #14
SirGCal
Moderator
 
SirGCal's Avatar
 
Join Date: Jan 2003
Location: Austin, Texas
Posts: 10,843
If you get the 4-ohm DVC version (so you can run 2 ohm load at the amp) you could get the Alpine MRD-M300. Circut City had some left for around $140 or less if they are still available. (was over $400 retail... But they're last years model... Same thing I have in my buildup... Great little amp... 300Wx1@2 ohms. Replaced this year with the MRD-M301 (currently running about $330 on the market...)) Crutchfield has some but they're still asking $200 for em... (might negotiate... ??)

If you get a 2-ohm DVC version, you'll need to run 300Wx1@ 4-ohms or 1 ohm (one ohm stable amp is going to be pricy....) and look for an amp to match...
__________________
Sir G. Cal - 2k Sahara TJ

Living and loving on borrowed time. Life with Multiple Sclerosis. My MS/Life blog, Audio and Electronic write-ups, project how-tos, pictures, stories, and more.

Quote:
Originally Posted by SirGCal
If you can't take a nano-second to press shift/period/etc. and make proper sentences and paragraphs, I don't know if I can take a few minutes to respond to your topics... It doesn't have to be perfect by any means, but a little effort goes a long way.
SirGCal is offline   Reply With Quote
Reply
Thread Tools


Suggested Threads





Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. JeepForum.com is not in any way associated with Jeep or the Chrysler Corp.