I have a jl audio 10w3v2. It is in a bandpass box from jensen with a no name amp I believe it is a 300rms amp and thats the same as the sub.
AS of right now it does not seem very loud at all. I can defiantly tell I have a sub, and I have good bass but nothing very loud, but i think it should be much louder.
Ive heard my friends subs and they are much much louder. Do you think its my box thats the problem. I think its too small. Would getting the right size box improve my sound alot.
Now that Im reading my post this is very vague, but IDK how else to explain it without you hearing it.
Your FIRST investment should be the underseat box, with absolute certainty. Having an enclosure resting on your backseat is just dangerous. No one ever expects to be in an accident, but that box flying around your cabin could be deadly. Besides safety reasons, you will get deeper bass with the sealed one. JL makes good subs. Give it a good box and shop for amps when you get a chance.
The box can make a HUGE difference! You said you have a no name amp, that could also be the problem. (get what you pay for thing) Could be how you have the subs wired to the amp.
Why don't you post some model numbers, or specs of your equipment.
Pioneer DEHP80MP HU Alpine PDX 4.150 highs (comps.& 6x9s) 2x Alpine MRD-M605 lows 1 per sub Infinity Kappa Perfect 6.1 front highs Infinity Ref. 9622i rear highs 2x Alpine SWR-1242D subs (running 2ohms ea.)
The 10w3v2 is fine for use in a band-pass box, but the box you have is probably not optimized for it. If it originally came with a low powered sub, than that's all it's meant to handle. As subs go up in power handling, it becomes more of a challenge to build band-pass boxes that will work well for them. The ports have to go up tremendously in size, because all the bass is passed through them. You may note that JL builds an extraordinary number of boxes in all shapes and sizes, yet none of them are band-pass. It can certainly be done, but for a single 10" sub you can expect a proper band-pass box to take up 2 cubic feet of space.
What should be my first upgrade. Here is my current setup.
Jl Audio 10w3v2.
Amp from this cheapass kit
I got the whole kit for 35 bucks. It has the amp that came with the 12 inch subs. ( I can't find the rms on this amp anywere though, it was designed to power two 500 watt max subs.
This is my current box, accept the front panel has some air leaks around the edges and it sounds like crap and i believe its due to the box cracks and being to small and that its a bandpass box.
My question is, what would better first investment.
Either a amp with a rms of at least 300watts
or box similar to this one.
http://musicmooseaudio.com/ford_f_150b_single.html I don't want to have just a sub sitting on my backseat, so only underseat boxes work for me
the box is actually behind my driver seat on the floor so thats not that big of a issue, but you still think the box would be the best way to go.
I don't think that box would work well with your JL even if it was in perfect condition. Your first assessment is correct; it's just too small. Your amp is probably not giving it 300 watts, but apparently it's working... for now.
okay so I will be getting that under seat box. But the problem with the underseat box is that it has a mounting depth of 5 7/8" and my sub is 5 3/4" (or 5 6/8" so how ever you want to look at it.") That is barely clearing it. Does it matter how close the back of the sub is to the box ( If I have to I might add a spacer ring to give it some more depth, but is there any space required between the magnet and the box?
If it's not touching, you should be okay. The only problem with it being so close is the sub's motor would get hotter, which can shorten the life of any speaker. Looking at the pic, it seems like (the box) has more than 5-3/4" of depth. Maybe it's the angle of the photo, but sometimes they forget to add the thickness of the baffle to the internal box dimensions when they post the mounting depth. It may actually be 6-1/2". If it is really that tight of a fit, a 1/2" spacer would put you well in the clear of any ventilation problems.
according to the manual on jl's website it says mounting depth is 5 3/4, so would that mean from the bottom of the rim thats how deep the sub is in the box. Also the problem with a spacer would be that it might be to close to the floor. Its a downfire sub box.
J Ro: *EDIT Looking at the pic, it seems like (the box) has more than 5-3/4" of depth.
*EDIT
Looking at the pic, it seems like (the box) has more than 5-3/4" of depth.
Sorry if that wasn't clear. The specs on the JL's website are correct for the sub, but i'm thinking the box has more than 5-3/4".
o alright thats a relief. Thanks alot Thanks for all the responses Im still somewhat new to this. Im thinking about making the box myself, It be cheaper then I know It will fit before I spend a hundred on a box and it might not even fit.
I am going to call the place that makes it and talk to them though first to confirm that it will fit before I make my own probly though. Thanks for all the help