I am looking for a good tight sounding sub either 2-10's or a single 12...what does eveyone recommend....I have to rockfords they pound yes but when it comes to quality they rumble and do not sound all that well....recommendations please

 

price budget?

 

no more than a grand for it....im in canada so canadian funds....EH

 

Hmm...only 175 us...that could be a problem...haha...just kidding...


You could easily do one IDMAX for that price...and I just so happen to have one for sale...hmmmm how convenient

Two IDQ's would sound great too...especially if you port them.

 

what kind of enclosure do you put the IDMAX in.....size of enclosure....and power handling.....

 

it'll depend on what kind of box you want.

Sealed, i'd go with about 1.5 cubic feet-2.0 cubic feet.

Ported, I would would ~2.5 cubic feet tuned to 28-32hz.

That would be nice for SQ with some SPL mixed into it.

Thermally, the coil is rated at 1000w RMS. Mechanically, it'll depend on your enclosure. The bigger the sealed box, the less power it'll handle. But you do gain efficiency of the system, transient response, and low-end extention.

 

The ID Passat had 4 IDMAX's mounted IB with 1400W each on it...so they can definitely handle power.

They sound great with any kind of power actually....I'd give them between 600 and 1000W though...

 

so one twelve with around 700 watts rms would sound alright....i think i have got my new sub

 

Have you tryed a different box with the subs you already have? You might be surprised!

 

been in to different boxes....right now i got them in 1.1 cubic foot sealed chambers....best they have sounded....

and they still rumble.

 

Rockford subs like larger enclosure
soooo...

Rockford+small sealed box+high inductance+car's resonance=boomy

 

hot damn yer getting good information

 

damn rights i am....i was looking at my old manuals...and they recomended a 1-1.5 sealed box....so would going to a 2 for each sub be better???

 

it should be better, but rockfords have high inductance to start with anyways, so transient response will only improve a bit. You still have the car's resonance in the way and much more. My advice, get another sub to start with. You can try 2.0, but don't expect mind blowing sound quality.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by GSteg &raquo;</TD></TR><TR><TD CLASS="quote">Rockford subs like larger enclosure
soooo...

Rockford+small sealed box+high inductance+car's resonance=boomy</TD></TR></TABLE>

Inductance is an indicator of the bandwidth of a driver only. In a car sub applications it is a useless value imo, since any descent system will be low passed at a very subwoofer friendly frequency.

Now midbass bump(boominess) caused by putting a particular sub in a tiny box is a different story, that has nothing to do with the inductance.

 

if you want sq AND good deep, bass go with alpine type r 12's, i have two in my vic and they sound great, very accurate clean and loud as well. a guy i work with had two kicker solobarics L7's, which as supposed to be louder than anything...but mine sounds better and hits harder.

just my 2 cents

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">if you want sq AND good deep, bass go with alpine type r 12's, i have two in my vic and they sound great, very accurate clean and loud as well. a guy i work with had two kicker solobarics L7's, which as supposed to be louder than anything...but mine sounds better and hits harder. </TD></TR></TABLE>

the type R is a good sub but does not compate to the IDMAX

 

what are the specs on the IDMAX? ive been around car audio for a while, but the name doesnt ring a bell

 

Inductance is what gives you that transient response. The higher the inductance, the less control you have. Thats why high inductance woofers have earlier natural freq. roll-off. Subwoofers like the L7s tends to sound boomy, even in a larger box, due to the lack of transient response, compared to other woofers. If we had very good transient response, our ears wouldn't perceive the overhung bass as boomy, rather tight.

 

I definately am getting lots of info from this thread....rcurley...what would that idmax be shipped to canada....

 

you might also try looking at http://www.aurasound.com they have some niiicceee stuff there.

 

Well I think our definitions of boominess differ. I don't consider to be the midbass peak associated with subwoofers in small boxes. With poor transient response most will just say the sub sounds "sloppy" but not boomy.

I have a friend that wanted me to build an enclosure for his l5's. I modeled 12 different enclosures and gave up on making that sub sound good

I agree that inductance determines transient response directly and so does Dan , but I am not too concerned with it in car sub applications. The tdx has high indutance I am sure(can't find it listed in the t/s I have, it is sglc) but it is not boomy.