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<blockquote data-quote="DarkScorpion" data-source="post: 6725111" data-attributes="member: 618537">Truthfully, you shouldn&#039;t pay attention to the manufacturer&#039;s ratings. They give those ratings as a blanket statement so people don&#039;t screw things up - if everything is done correctly, a single type-r can handle up to 1000w RMS and sound great. As for wiring up your subs, here&#039;s a good place to start:<a href="http://www.the12volt.com/" target="_blank">The 12 Volt</a>You&#039;ll find a plethora information there, covering most of the basics. I suggest you read up before you make any purchases. <a href="http://www.the12volt.com/caraudio/woofer_configurations.asp" target="_blank">Here</a>&#039;s the calculator you&#039;ll need to figure out the various ways to wire up a subwoofer. Just so you know, most subs can be bought as dual 4ohm voice coils, dual 2ohm, or dual 1ohm. You shouldn&#039;t need to measure anything as the subwoofer will either say right on the box or in the model number what configuration it is. The Alpine SWR-1222D is dual 2ohm, and the SWR-1242D is dual4ohm, for example.When choosing an amp, you have to be aware of what subs you&#039;ll be choosing to go with it. Not all amplifiers are 1ohm stable. So if you get an amp that&#039;s NOT 1ohm stable (all the ones I previously listed are 1ohm stable) and you get a pair of dual 4ohm subs, your only option will be to wire it up for a final load of 4ohms, robbing your system of power (unless you&#039;re purely going for a SQ setup, which is a completely different issue).Edit: Sorry, I didn&#039;t fully answer your question about how much power each sub gets when you hook up a pair. Basically, each sub will get half of the power the amp puts out. Say you have an amp that puts out 1000w at 1ohms. If you wire up a pair of dual 4ohm subs in parallel, you will effectively have a 1ohm load. That means each sub will then get 500w, just split right down the middle. Make sense?</blockquote>

[QUOTE="DarkScorpion, post: 6725111, member: 618537"] Truthfully, you shouldn't pay attention to the manufacturer's ratings. They give those ratings as a blanket statement so people don't screw things up - if everything is done correctly, a single type-r can handle up to 1000w RMS and sound great. As for wiring up your subs, here's a good place to start: [URL="http://www.the12volt.com/"][B]The 12 Volt[/B][/URL] You'll find a plethora information there, covering most of the basics. I suggest you read up before you make any purchases. [URL="http://www.the12volt.com/caraudio/woofer_configurations.asp"][B]Here[/B][/URL]'s the calculator you'll need to figure out the various ways to wire up a subwoofer. Just so you know, most subs can be bought as dual 4ohm voice coils, dual 2ohm, or dual 1ohm. You shouldn't need to measure anything as the subwoofer will either say right on the box or in the model number what configuration it is. The Alpine SWR-1222D is dual 2ohm, and the SWR-1242D is dual4ohm, for example. When choosing an amp, you have to be aware of what subs you'll be choosing to go with it. Not all amplifiers are 1ohm stable. So if you get an amp that's NOT 1ohm stable (all the ones I previously listed are 1ohm stable) and you get a pair of dual 4ohm subs, your only option will be to wire it up for a final load of 4ohms, robbing your system of power (unless you're purely going for a SQ setup, which is a completely different issue). Edit: Sorry, I didn't fully answer your question about how much power each sub gets when you hook up a pair. Basically, each sub will get half of the power the amp puts out. Say you have an amp that puts out 1000w at 1ohms. If you wire up a pair of dual 4ohm subs in parallel, you will effectively have a 1ohm load. That means each sub will then get 500w, just split right down the middle. Make sense? [/QUOTE]

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