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Message Forums Car Stereo Message Forums > Amplifiers > noob question - subwoofer and amp matching
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myriad360
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 noob question - subwoofer and amp matching

Hey there, I am trying to match some old (but never used) Kenwood KFC-W3005 (4 ohms ea.) with a new amp. Reading the speaker documentation, there is 'Peak Input Power' of 700W, and then 'Rated Input Power' of 175W. When the amp I am considering says 300 W x 1 RMS Watts per channel @ 4 ohms, 500W x 1 RMS Watts per channel @ 2 ohms... that is way too much, right? I should be matching 'Rated Input Power' with RMS? I'll probably be going bridge/parallel, which makes the setup 2 ohm, 500W, so 250W per speaker. Per 'Rater Input Power' @ 175, I think I am 75W over per speaker. But I have read on Crutchfield to go 75-150% of RMS. Thoughts? Thanks!

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New Post 08-23-2012 10:00 PM
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mimoza
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