My 2000 Monte In Progress

Vehichle: 2000 chevy monte carlo

HU: as of right now....Panosonic CQ-C7301U (upgrading to  CQ-HX2083U)

Fronts: 2005 Infinity Kappa 60.7CS (soon to be amped by a 2005 Kicker KX200.2)

Rears: 2005 Infinity Kappa 693.7I (soon to be amped by a 2005 KXKicker KX250.2)

Subs: two 2005 Infinity Reference 1042W DVC (amped by a 2003 Kicker KX500.2)

        two 2005 Infinity Reference 1242W DVC (amped by a 2005 kicker SX650.1)

Wiring: 4agu Power and ground, 4-way  tsunami power and ground distribution blocks (V10PG2-MANL)

Capacitor: two Tsunami PP1005DM-CAP 5 farads

....any sugestions and comments will be greatly appriciated, thanx!

Are you planning on using two different size subs?

Looks like it.  There is absolutely no reason for that, and several good reasons why NOT to do it.  So what's the plan?

Konrad100, i have just finished installing a set of the perfects into a 96 accord with a kicker 4chn. The perfects were very crisp with almost damagig highs. If you plan on running these speakers DEFINATLEY get a sub (assuming u dont already have one). I did notice a slight variance in midrange response between the perfects and the kappas, the normal kappas seem to be a slight bit more bassy, but i also have the tweeter boost turned off on the crossover, (it was at +3db on the perfects). My only complaint with the perfects is that they were a little tinny....but this seems to be a common trade of the infinity speaker line, just slightly more noticeable in this setup.

DYohn, i was actually experimenting with the two diffrent sub ideas....it is as follows...

The two 10" models will be reversed mounted in seperate .75ft3 chambers

the two 12" will be normally mounted in a 1ft3 sealed enclosure

...i was talking to some of my friends about this and the desired outcome is to hit some of the tighter bass notes commonly overlooked with larger surface area cones while filling the rest of the area with the twelves which seem to be a slight bit sloppier. as i have already said this is simply an experiment. I dont necisarily stand by this theory due to the fact ive never seen anything like it and im just curious as to how it may sound. If you have any advice regarding this i would be very interested in hearing it. Thanx evryone!

The idea that somehow larger cones are "sloppier" or not as "tight" or as "fast" as smaller cones is a common audio myth.  The size of the cone does not matter, it's all about the inductance of the voice coil and the enclosure type the system uses.  The same brand and type of 10" or 12" or 18" speaker in the same type of enclosure will be equally fast, tight and sloppy.  The only thing gained by larger cone size, all else being equal, is the ability to produce more SPL at lower frequencies.

Using multiple subwoofers can be very, very tricky due to all sorts of cancellations, both due to differences between how each speaker operates and due to acoustic cancellations from multiple reflected sound waves inside the listening space.  (note that operating multiple matched subwoofers together in a ganged configuration in effect creates one larger woofer with +3db increased sensitivity, as long as the physical distance between the drivers is minimized and less than 1/2 the highest crossover frequency wavelength.)   Operating multiple woofers from different locations requires some pretty sophisticated EQ and time alignment techniques to get it sounding right.  The most common result from operating two sets of woofers in the same vehicle is an overall lowering of bass SPL due to acoustic cancellations inside the vehicle.

I recommend you use your 12's as subwoofers and your 10's as mid-bass woofers.  You'll need a good 3-way electronic crossover.  Low pass the 12's at 80Hz.  Use the band-pass crossover section for the 10's, high-pass at 80Hz and low-pass at 250Hz.  Wire the pair in stereo and use a stereo amp.  Then use the high-pass section of the crossover set to 250Hz for your front main stereo amp.  This way you can get some use out of those 10's in a critical section of the frequency spectrum that your 6.5" mains have the most trouble with and avoid all those nasty cancellation problems.

Do you follow?  Cheers.

Absolutely.  Just set the gain to match the HU output and you're good to go.