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Adding a sub to existing setup
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<blockquote data-quote="nineball" data-source="post: 6244768" data-attributes="member: 585829"><p>100 watts from a hu? doubt it...</p><p></p><p>your amp will do 40rms x4 so bridging channels 3&amp;4 will result in 40rms x 2 + 80rms x 1. it will do what you want it to however 80rms is really low for a sub, even an 8" sub. it should be an improvement over your current setup but i would not expect too much.</p><p></p><p>you could really use a bigger 4 channel amp and that would solve a lot of the potential shortcomings of the system. your comps up front can handle a lot more than 40rms and it would increase your bridged output for a sub as well. you may want to look into selling your amp to offset the cost of a bigger one.</p><p></p><p>the radio does around 20rms per channel so your rear speakers will be even lower than before.</p></blockquote><p></p>
[QUOTE="nineball, post: 6244768, member: 585829"] 100 watts from a hu? doubt it... your amp will do 40rms x4 so bridging channels 3&4 will result in 40rms x 2 + 80rms x 1. it will do what you want it to however 80rms is really low for a sub, even an 8" sub. it should be an improvement over your current setup but i would not expect too much. you could really use a bigger 4 channel amp and that would solve a lot of the potential shortcomings of the system. your comps up front can handle a lot more than 40rms and it would increase your bridged output for a sub as well. you may want to look into selling your amp to offset the cost of a bigger one. the radio does around 20rms per channel so your rear speakers will be even lower than before. [/QUOTE]
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