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CJ
Dodge Dakota
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5/04/2005
23:20:19
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 Subject: Want to make sure this is right
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Message:
Right now I have a 10" Alpine Type S dual 4 ohm sub rated at 300 watts RMS and I am thinking about getting the Alpine MRD-M301 amp which is rated at 350 watts x 1 @ 2oms. So I would just have to wire my sub up in parallel and I should be fine? This is all going into a 2000 reg cab so I think it should be enough and just wanted to make sure I was going to be hooking it up right.
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Dan
Dodge Dakota
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5/04/2005
23:50:39
| RE: Want to make sure this is right
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CJ, you are correct, if you wire them in parallel you will end up with a 2 ohm load. For future reference: If you wire speakers in series you just add the impedances together. If you wire them in parallel then this equation is used: 1/R (Impedance total)=1/R1 (Impedance of speaker 1) + 1/R2 (Impedance of speaker 2) + 1/R3 + 1/R4 + ... So for your situation 1/R= 1/4 + 1/4. So 1/R = 2/4 = 2 OHM load.
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Sicminds0088
Dodge Dakota
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5/06/2005
10:21:15
| RE: Want to make sure this is right
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Message:
nice bit of info to keep in mind.
Also, i think Rockford fosgate has a Wiring guide for your subs. not sure how well it works, but it is worth taking a look at.
And... MTX has a really really good tech support. Its worth browsing through sometime.
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Dan
Dodge Dakota
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5/06/2005
19:35:44
| RE: Want to make sure this is right
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Message:
I just saw a tiny little mistake in my formula:
So 1/R = 2/4 = 2 OHM load, that is not exactly correct the correct answer is R= 2 OHM. You have to take the reciprocal of the final value.
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