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Got 2 Mojo 15's and a Memphis 4KW. Looking for suggestions on a ported box that will slam. Its going in an extended cab truck. This will be for daily listening. thanx
Posts: 39 | From: usa | Registered: Jan 2007
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2.5 -3 cubic ft per sub,tuned 38-40hz. Subs forward, ports facing up near the back window
Posts: 1718 | From: Dickson,TN,USA | Registered: Apr 2000
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i belive they need more fr a more Daily setup i'd go 4-5 cubic feet 37hz... subs if you can passenger side port to the drivers side
Posts: 140 | From: Montgomery | Registered: Jan 2007
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quote:Originally posted by SPLGEO: i belive they need more fr a more Daily setup i'd go 4-5 cubic feet 37hz... subs if you can passenger side port to the drivers side
i agree from testing it seems the mojos get louder in bigger enclouser. besides u barley have any 15's that like 2 cubes. i say go 4-5 cubes each 15, but id tune a tad bit lower. 32hz
-------------------- (1)(Autotek MM 4000.1) (2) 18" RE SX's) (13.2 Cubes Tuned 32hz) (RE Audio FTMFW) (maxxsonics FTMFW) Posts: 1805 | From: Americus,Ga | Registered: Jan 2006
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I have built over a hundred cars with Mojos, anything bigger than 3.5 usually plays deep bass well but looses control on higher notes. Vas on the M3mojo15 dual is only 2.36 cu/ft, and the fs is pretty low. If you model it on Bassbox of WinIsd it is pretty obvious which box works best
The other thing too is in a Ext cab S10, you can only get maybe 6-7 cuft and still have seat room. You might gain a little on the windshield sealed up going bigger, but for daily and outlaw 3cuft works great
Posts: 1718 | From: Dickson,TN,USA | Registered: Apr 2000
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2 4kws is waaay to much power for 2. We usually use a 4k to power 4 mojo15s. I would probably glass in the spear tire well and build as big a box as possible, probably get around 7 cuft, subs and port up,port all the way in the back
Posts: 1718 | From: Dickson,TN,USA | Registered: Apr 2000
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for streetbeat competition? right now we have them in a 6 cuft test box, and we could squeeze almost 10 cuft out of the rear hatch area w/o using the spare tire well. I don't think a single 4k would be enough to put up a respectable score.....
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a denali we built has 4 on a mojo 4kw with 1-extra 12v battery and did a 151.7 streetbeat. Standard box no wall
Posts: 1718 | From: Dickson,TN,USA | Registered: Apr 2000
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2006 World Finals SB3 Results: 1 157.10 Ledgerwood Jeremiah 2 155.80 Schaffer Sean 3 154.30 Carrasco Javier 4 154.20 Romano Paul 5 144.60 Brinton Patrick 6 144.30 PIERCE JAMES 7 143.10 Oats Rod 8 140.50 Powell Nathan
don't know if it's even in the cards, but that's where last year ended up...
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I dont know anything about any of those cars, but I will almost guarantee you that you cant do those numbers on music without a wall with 2-15s
I will also tell ya that a Mojo 15 will absolutely not handle a 4kw for 30 seconds on music at full tilt. I did have a van with 9- mojos and 9 4kws, that dont work. Burps yes.
Posts: 1718 | From: Dickson,TN,USA | Registered: Apr 2000
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Thanks Brad, I am building the box to 6 cubes, 1.5 inches all the way round. Its going in a dodge dakota. I will eventually run 4 Mojos. I am Running two for now at 2 ohm. Also trying to figure out what kind of batts to use and how many.
Posts: 39 | From: usa | Registered: Jan 2007
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quote:Originally posted by Brad Eubank: I dont know anything about any of those cars, but I will almost guarantee you that you cant do those numbers on music without a wall with 2-15s
I will also tell ya that a Mojo 15 will absolutely not handle a 4kw for 30 seconds on music at full tilt. I did have a van with 9- mojos and 9 4kws, that dont work. Burps yes.
well i dont know waht that was but we have two guys down here with same mojo setups running their 4kw on 1 15" mojo playing music full tilt way longer than 30 seconds bro. neither setups failed yet. daily drivers. perhaps u had clipping problems?
-------------------- (1)(Autotek MM 4000.1) (2) 18" RE SX's) (13.2 Cubes Tuned 32hz) (RE Audio FTMFW) (maxxsonics FTMFW) Posts: 1805 | From: Americus,Ga | Registered: Jan 2006
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mojo 15's will handle a 4kw per sub....after about 3-5 min. they'll get a little stinky but they will handle it
-------------------- Team S.P.E.A.D. Usaci Pro Stock 3000+ and Street Beat 3 Usaci Louisiana Super Stock 301-900 State Record Holder Posts: 93 | From: Baton Rouge, La | Registered: Apr 2006
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One of those Street Beat 3 scores is a teammate of mine, Paul Romano. He had some issues at finals. We were burping 156.5 outlaw, and doing 155.1 in street beat with 2 memphis Mojo 15's and 4 Kole Audio 3000d's. We were getting about 3000 watts a sub and YES THEY STINK AFTER 30 seconds but they held up. We folded the cone once or twice throughout the year but I was actually impressed how well the woofers held up. We had a mazda b2000 extended cab and used about 2 cubes per 15, with 4 4'' aeroports. The best sounding box was about 2.5 cubes each with 4 4'' ports. All you guys that still think you need a huge box are mistaken, it will sound like total crap, play from about 30-40hz and nothing else. Brad made great recommendations. I hardly ever use more than 3.5 cubes for a 15 for daily use.
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