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Matt
Dodge Dakota
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12/09/2003
22:55:18
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 Subject: Adding additional speakers
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Message:
Okay, just got the new alpine head unit in and all I have to say is wow. If it performs this well with factory speakers I can only imagine what replacments will sound like. such clarity and punch. I never want to leave my truck!
Anyway, I have two pioneer coaxel 6x9's that I want to run inplace of the rear speakers. Origional plan was to just mount the 6x9's in their own boxes behind the seats and run the wire from the factory rear speakers to them. However, there is a chance that I will be getting new component speakers from my fam for x-mas. In this case I still want the 6x9s in but would want the new rear speakers hooked up as well. Can I just run the two rear speakers in parallel to the 6x9's? I don't want to run a cross over since the 6x9's are 3-way speakers and sound bad ass. I'm trying to avoid running an amp to keep cost down.
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CJ
Dodge Dakota
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12/09/2003
22:59:59
| RE: Adding additional speakers
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your typical speaker has a 4 ohm coil...and if you connected two sets of speakers in parallel...you would be running at 2 ohms...and if your head unit can't handle it then you will fry your nice new alpine unit...I would say screw the 6x9's if your getting components....I don't like how 6x9's sound anyway...but that's just me
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Matt
Dodge Dakota
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12/10/2003
12:05:07
| RE: Adding additional speakers
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Couldn't I just run the two speakers paralell, then run a 2 ohm resister in series off of that?
hot-> speaker unit (2 ohms)-> 2 ohm resistor-> return. total of 4 ohms.
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DSW
Dodge Dakota
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12/10/2003
14:17:28
| RE: Adding additional speakers
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Yeah you could run a 2 ohm resistor, but it would eat 1/2 of the power going to the speaker. I used resistors in an Lpad configuration to cut the amount of power going to my tweeters.
I ran a .8 ohm in series and a 15.44 ohm in parallel to keep a 4 ohm load on the amp while cutting the power going to the speaker. This dropped the speakers output by 2db and it was quite noticable.
If you put a 2 ohm resistor in series with the 6x9's in parallel, the resistor would cause a 6 db drop, or 50% loss of power to the speakers.
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CJ
Dodge Dakota
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12/10/2003
23:03:18
| RE: Adding additional speakers
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yeah you could use a resistor but your forgetting one thing....if your pushing say 50 watts to the speakers...your going to need let's say...an 80 watts resistor which is roughly the length of a 20 oz bottle and are about two fingers widths around...so that probably wouldn't be your best option
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Ben
Dodge Dakota
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12/11/2003
05:33:49
|  RE: Adding additional speakers
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If I were you I would forget running the 6x9 in the rear. They probably won't sound as well as you immagin and will be a hastle when driving. My girlfriend did the same thing with her truck and the boxes would not stay still and took of the back seat, using up 1 or 2 persons seating places. You can get some EXELENT speakers for relitivly cheep.
When I was in the same predicament, I chose to go I with some very nice infinity kappas in the rear. Etronics.com has the 2 way 6.5" kappa for $80.00 a pair and sound AMAZING! (I chose the 3 way kappa perficts, but I has a higher money limit).
Anyway, boxes on the back seat are the last way I would go when trying to get good sound. One reason is that as I stated earlier the boxes will move and shift as will your sound. Also one thing most people don't mention is that boxes in the back make one big loud statment, STEAL ME! Happened to my friends and my gf. Of course this would all depend on where you live and how comfortable you are away from your truck.
One last thing, when you talk about getting components, are you saying that you will be putting them in the back? I would also advise against that. Most people will get on me for saying that, but I realy feel it need to be said. One thing I like about out trucks is that when done corectly you can get a very definate sound stage. The last thing I would want is for my sound to be comming at me from behind. Don;t get me worng, you NEED sound comming from the rear. But with the way that are trucks are made (almost all trucks for that matter) the sound has a tendancy to come from the rear. This is becase our rear speackers are much closer to use that our fronts. If you were to add components to the back you would have even more predominacy in the back.
I like to have my sound come forward at me, as if the singer or symphony was right infront of me. And I like to have my hilights just hint from around me (rear) as it was meant to be when it was recorded.
BUT some people prefer to be emursed in sound and have it all around them. While I do not think this is bad I do tend to think that This make some of the sound muddy. In this case you would want a more predominat rear speaker.
WELL I typed WAY DO DAMN LONG!!! and I am quite sorry for taking some much of you time. But if you read though it all I thank you and I hope that I helped with you situation. Take a look at your options befor you invest any money. There are much simpiler situations than splitting the load and running a resistor, or boxing those 6x9.
SORRY FOR THE LONG POST!
Happy Holidays Everyone!
Always thankfull,
Ben
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adminvtt
Dodge Dakota
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12/11/2003
08:05:46
|  RE: Adding additional speakers
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Message:
I would have to agree with Ben the 6x9's probably won't sound as good as you hope. I would upgrade the stock speakers in their stock placements so as not to look altered. I used to be a bad boy years ago and nothing said I have expensive stuff to use or pawn then speaker boxes or alterations to the stock speaker mounting area. Fill your stock mounting area with good stuff, I have 6.5" Cerwin Vega's and 5.1/4" CV's and They sound awesome.
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