4 coaxial speakers and 1 sub on 4 channel amplifier.

[krisfnbz 10+ year member]

2 Pioneer 30w speakers in the front

2 Pioneer 35w speakers in the back(I know this needs to be changed, I didnt realize they were different models until I saw the boxes afterwards)

1 SVC 4 ohm sub. 200w.

DSC450

The sound is kinda all F'ed up. For a friends car. After I got everything wired up etc it just did not sound right. Although By that time it was night time and Figured I would tune, and figure it out later. The rear is clearly louder than the front which seems to be non existent(I was thinking because of the slightly louder speakers in the rear) but I didnt think 5w could make that big of a difference.

I have the four speakers connected parallel to 2 channels(should be a 2ohm load correct?) and the sub bridged on the other 2 channels.

This is the first time I have used 4 speakers on 2 channels. Am I doing something wrong? I usually would amp the front, and HU the rear and bridge the remaining for the small sub.

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[CHEMMINS 10+ year member]

Is there a difference in size of speakers front/back?

 

[krisfnbz 10+ year member]

Is there a difference in size of speakers front/back?

no they are both 6.5. The front are 30w 2 ways, and the rears are 35w 3way. Im pretty sure the wiring is correct to the amplifier as I 9 wired it to tap into the factory harness up front.(unless I miss wired it at the amplifier which I have the left speakers on 1 channel and the right speakers on the other channel so the L and R are still good.)

http://www.polkaudio.com/forums/showthread.php?t=51799

looks like I found my answer here in the meantime, this can be done, Im just doing something wrong. Maybe its just swapping the louder rears with the fronts.

 

[helotaxi 5,000+ posts]

Different power ratings doesn't mean that they're getting more power it just means that Pioneer claims that they can take a little more power without cooking. The spec that actually matters is efficiency and it would seem that the speakers you have in the rear are more efficient than the ones up front. Two ways to fix this. First is to swap them around. Second is to install an L-pad or a simple resistor in line with the rear speaker. The L-pad acts as a volume control and will allow you to dial that one speaker down. Adding a resistor will do the same thing minus the adjustability.

 

[Louisiana_CRX 5,000+ posts]

You probably have a speaker or two out of phase...What that means is a neg and positive speaker wire crossed up on your speakers...recheck all your wiring and color codes because one set of crossed wires can make the system go from sounding good to like crap...It doesn't really matter that its two diffrent styles of Pioneers...the small terminal on the speaker is your nrgative the larger iterminal is the positive...It should be marked with a - or + beside the terminals

 

[Louisiana_CRX 5,000+ posts]

I haven't owned one in a while but if my memory is still good these are the colors for the speaker wires in your car... Driver's Doors Left Front (+) Blue/Green Left Front (-) Gray/Black Right Front (+) Red/Green Right Front (-) Brown/Black Rear Rear Deck Left Rear (+) Blue/Yellow Left Rear (-) Gray/White Right Rear (+) Red/Yellow Right Rear (-) Brown/White

I hope this helps

 

[krisfnbz 10+ year member]

I haven't owned one in a while but if my memory is still good these are the colors for the speaker wires in your car... Driver's Doors Left Front (+) Blue/Green Left Front (-) Gray/Black Right Front (+) Red/Green Right Front (-) Brown/Black Rear Rear Deck Left Rear (+) Blue/Yellow Left Rear (-) Gray/White Right Rear (+) Red/Yellow Right Rear (-) Brown/White
I hope this helps

Yep. I had that printed out when I tapped into the aftermarket harness up front to connect it to the 9 wire run to the back. I am going to swap out the rear with front speakers, because I think the rear speakers are a bit more efficent, and then recheck my wiring at the amplifier, I may have screwed that up.

 

[krisfnbz 10+ year member]

Although the Headunit that is being used, does not have subwoofer control, and only 1 set of preouts. so I am splitting the 1 L to 2 L's and 1 R to 2 R's, a pair of the speaker input LR, and a pair for the sub LR. Probably not the best thing, but its the only thing that can be done with the headunit given.

 

[Louisiana_CRX 5,000+ posts]

It doesn't hurt to split off the deck or at the amp using Y adapters...just limited control of your sound..some amps are even equipped with an extra set of out RCA's for decks with only one set...so you can go from one amp to the next

 

[krisfnbz 10+ year member]

Well lower voltage...

 

[ArthurIhde 10+ year member]

Well lower voltage...

any more details?

 

[krisfnbz 10+ year member]

dont really know too much about it, just remember reading it somewhere, sometime.

 

[helotaxi 5,000+ posts]

What you read is wrong. When you use a set of splitters to make on pair of outputs into two, you have effectively created a parallel circuit. Voltage is constant in elements of a parallel system. The only chance for a loss of voltage is because of a high resistance contact in the splitter, but because of the tiny amount of current flowing through the signal cables, even that type of drop would be negligible. The only concern would be if you were using many sets of splitters and the result of wiring all those amp input stages in parallel exceeds the capability of the HU to maintain it voltage because too much current is being drawn. A single splitter is not going to be a concern.