Could i wire 3 subs this way? Kicker CVR's

[Supergumby5000 5,000+ posts]

If you're going with a mono block then you have to look at it as all 3 being wired together, even if the amp appears to have what looks like 2 channel inputs. It doesn't, many mono's just give you 2 speaker inputs for ease of use, but internally the amp 'bridges' those two inputs into one.
So in your config above almost all of the power would be going to the 2 ohm sub and hardly any to your dual 4s. This is because the 2 2 ohm VCs will have less resistance than your 4 ohm VC (it doesn't matter how you wire it, they'll always be 4 ohm VCs) and power 'gravitates' to the point of lease resistance.

If you absolutely need to mix ohms, then you're better off going with a 2 channel amp. This way 1 channel can power the 2 4 ohm and 1 channel can power your 1 2 ohm. This will prevent all the power from going to your 2 ohm sub.

//content.invisioncic.com/y282845/emoticons/woot.gif.aaa6090e619a97b6090d16dd863c5a69.gif

another, more simple way to look at it is this. Your splitting the power between TWO subs wired into ONE configuration that matches the ONE other sub configuration.

As drawn in the picture, the power will be split TWO ways: 1)towards the pair of subs and 2) towards the separate sub. How is the amplifier going ot know to send more signal to the two D4's rather than the D2? its not. The signal will be split evenly regardless.

 

[Supergumby5000 5,000+ posts]

i highly reccomend either a)leaving the setup the way it is or b) just get a whole different sub setup

i promise you adding a third sub with a different voicecoil configuration isnt going to do what you hope it will.

 

[jrobb 10+ year member]

I dont understand haha. The way i see it is that they will all be wired up together getting a final of 2 ohms, So then it would split the power through out all of them, If this is wrong can someone try and give me as simple of explenation of why this is wrong? Thanks

power flows the path of least resistence... so with the coils being different, the one with the lower impedence will give the least resistence and recieve the most power... if that helps...

 

[jrobb 10+ year member]

or you could add another D4 with all 3 in a ported enclosure wired at .67 and the rise should be well above 1 ohm...

 

[jrwalte 10+ year member]

or you could add another D4 with all 3 in a ported enclosure wired at .67 and the rise should be well above 1 ohm...

You'd be better off wiring them in series/parallel to get 2.67 ohms, though. Not many amps support .67.

 

[westman995 10+ year member]

Thanks for all the info guys.. I understand what your saying now. I know 2 ohms puts out more power than 4 ohm and see how the more power would go to the one speaker.

Ill either keep the two subs or get another pair. If i got another pair what should i get? The same dual 4's? Im thinking dual 4's so they are all the same. Then get two 2 channel amps so one channel per sub. sound good or no?

I prolly wont be doing this for a while if i even do but i want to add more subs haha

 

[westman995 10+ year member]

You'd be better off wiring them in series/parallel to get 2.67 ohms, though. Not many amps support .67.

If i did add another dual 4 ohm sub. And wired it like that. Could i use a 2 ohm stable amp?I know about the ohms except for when it comes to odd numbers of subs im not really sure how that works. Again thanks for all the info guys.

Im guessing that would work fine cuz if its down to 2 ohm stable it surely can handle a little above 2 ohms. It will just put out a little less power right? Just wanting to make sure.

 

[jrwalte 10+ year member]

If i did add another dual 4 ohm sub. And wired it like that. Could i use a 2 ohm stable amp?I know about the ohms except for when it comes to odd numbers of subs im not really sure how that works. Again thanks for all the info guys.Im guessing that would work fine cuz if its down to 2 ohm stable it surely can handle a little above 2 ohms. It will just put out a little less power right? Just wanting to make sure.

Yes it doesn't matter. Marketing just says 1,2,4 blah blah stable but it can go from it's lowest stable ohm and beyond the highest mentioned in any decimal form. You're speakers typically aren't even exactly 4 ohm. They're just around there.

If you went the 4 sub 4DVC ohm route, you actually only need 1 mono block. You can wire it at 2 ohms.

And look at it as the 2 ohm would **** more power, not put out more power.

You may also want to think about exactly what you're going after soudn quality wise to determine if 4 subs will really do what you want. A lot of times, only 1 or maybe 2 high quality subs can sound much better than a bunch of lower quality ones. In otherwords, better to spend the money in one or two high quality subs geared towards what you want (SQ or SPL) rather than on more lower quality subs.

 

[westman995 10+ year member]

Yes it doesn't matter. Marketing just says 1,2,4 blah blah stable but it can go from it's lowest stable ohm and beyond the highest mentioned in any decimal form. You're speakers typically aren't even exactly 4 ohm. They're just around there.
If you went the 4 sub 4DVC ohm route, you actually only need 1 mono block. You can wire it at 2 ohms.

And look at it as the 2 ohm would **** more power, not put out more power.

You may also want to think about exactly what you're going after soudn quality wise to determine if 4 subs will really do what you want. A lot of times, only 1 or maybe 2 high quality subs can sound much better than a bunch of lower quality ones. In otherwords, better to spend the money in one or two high quality subs geared towards what you want (SQ or SPL) rather than on more lower quality subs.

Not really going after too much SQ. More of SPL type. I know they arent really high end subs but they are decent and i can get them pretty cheap for another pair prolly. So i dont think ill be upgrading to anything better very soon. I might just stick with the two 12's for now i might get two more later on tho.

Ya thats right it would be a 2 ohm final output with the 4 subs then, so i would want a mono amp. I dont think i could afford an amp big enough to power all this tho. I guess ill stick with the two 12s and possibly upgrade later on, Thanks for all the help

 

[GMCJimmyslt2000 10+ year member]

u have a lot to learn...keeping reading young grasshopper

 

[hbfromkc 10+ year member]

...sounds like a problem waiting to happen. just my $.02

 

[westman995 10+ year member]

...sounds like a problem waiting to happen. just my $.02

O thats some great advice.. I guess.....

 

[kovemaster559 5,000+ posts]

ive done that before wired up two subs with another different wo subs . it doesnt work to well it goes out of phase bad i woulndt recomend it . im thinking if u wire ur subs in series parallel it might work ive never tried it but it might work

 

[westman995 10+ year member]

ive done that before wired up two subs with another different wo subs . it doesnt work to well it goes out of phase bad i woulndt recomend it . im thinking if u wire ur subs in series parallel it might work ive never tried it but it might work

Ya i dont think im going to try what i had originally thought about, If i do add another sub it will be a mathching one, same ohms as the others i got, and ill just get a mono block amp.

 

[Witty690 10+ year member]

Its a good thing you learned first, cuz if you wired em up the way you originally wanted to, and something broke, you wouldve gotten flamed. BAD!!

On a serious note, keep reading and learning.