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Message Forums Car Stereo Message Forums > Amplifiers > Help Me Please
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levalle
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 Help Me Please

hi guys

i need some help urgently. i have 2  500w JBL 6x9s with JBL 350w splits and an alpine 50x4 mosfet head unit. i would like to know what size and how many channel amplifier i should purchase

Thanks

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New Post 09-26-2011 06:57 AM
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newfosgatesucks
Senior Member

 

A 4 channel amplifier rated for fifty to a hundred watts per channel.   I would shoot for 75 watts by four channels/300 watts total.

 

      Do not be misled by PEAK, PEAK MUSICAL, INSTANTANEOUS, or MAX wattage ratings, they mean absolutely nothing.

 

    75 watts, rms.

It may be well worthwhile to get a piece of dynamat or any sound deadener and stuff behind and around the front speakers, and around the 6x9's. Don't be fooled, a 50 watt amplifier is capable of 3 times the power as a 50 watt head unit.

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New Post 10-28-2011 09:18 PM
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gameguru1360
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peak is just what the speaker can handle during a brief burst of sound or music. Continuous or rms (root median square) rating is what you want to look for and is a more accurate measure of what the speaker can handle

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New Post 11-11-2011 03:46 PM
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