How much of a difference does amping door speakers make????

sstalder5
sstalder5 Posts: 14
edited November 2009 in Car Audio & Electronics
Here Is my system:

Alpine CDM series HU (can't think of the model # off the top of my head)
4 x db651 speakers
2 x db840dvc subs
1 x PA400.1 amp
1 x 0.5 Farad cap

The door speakers will start distorting about halfway up on the volume control. How much louder can I turn it up if I amped the door speakers? Does it increase or decrease SQ? How would I go about wiring the new amp into the system?
Post edited by sstalder5 on
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  • ntculenuff
    ntculenuff Posts: 1,146
    edited November 2009
    putting an amp on your door speakers will give you much cleaner SQ and more head room for louder cleaner sound than any head unit can give you. your mid's and high's will be much more present. And yes you will be able to turn it up louder. HU's amps are not very powerful at all.

    AMP AMP AMP those mid's and high's
    Speakers:
    Definitive BP7001sc mains
    Definitive C/L/R 3000 center
    Polk RT800i's rears
    Definitive supercube I Sub
    Audio:
    Onkyo TX-NR3010
    Emotiva XPA five Gen 3
    OPPO BDP-103 CD, SACD, DVD-A
    Video:
    Panasonic TC-P65ZT60
    OPPO BDP-103 Bluray
    Directv x's 2
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  • MacLeod
    MacLeod Posts: 14,358
    edited November 2009
    The speakers arent distorting - youre head unit is running out of clean power and the speakers are simply reproducing the distorted signal theyre being fed.

    Buying a bigger amp will not only make them louder but will make them sound much better as well.
    polkaudio sound quality competitor since 2005
    MECA SQ Rookie of the Year 06 ~ MECA State Champ 06,07,08,11 ~ MECA World Finals 2nd place 06,07,08,09
    08 Car Audio Nationals 1st ~ 07 N Georgia Nationals 1st ~ 06 Carl Casper Nationals 1st ~ USACi 05 Southeast AutumnFest 1st

    polkaudio SR6500 --- polkaudio MM1040 x2 -- Pioneer P99 -- Rockford Fosgate P1000X5D
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  • sstalder5
    sstalder5 Posts: 14
    edited November 2009
    Alright, so amping is the way to go! about what size amp will i need? how many channels? and how is it wired?
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  • MacLeod
    MacLeod Posts: 14,358
    edited November 2009
    A good 4 channel amp in the 75 watt per channel range would be a good choice. If youre on a budget, the Alpine V Power line is a very solid set of amps. The Polk Audio PA500.4 is an excellent amp (I use it on my SR6500's) or the PA200.4 would be a cheaper alternative.
    polkaudio sound quality competitor since 2005
    MECA SQ Rookie of the Year 06 ~ MECA State Champ 06,07,08,11 ~ MECA World Finals 2nd place 06,07,08,09
    08 Car Audio Nationals 1st ~ 07 N Georgia Nationals 1st ~ 06 Carl Casper Nationals 1st ~ USACi 05 Southeast AutumnFest 1st

    polkaudio SR6500 --- polkaudio MM1040 x2 -- Pioneer P99 -- Rockford Fosgate P1000X5D
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  • sstalder5
    sstalder5 Posts: 14
    edited November 2009
    How would this Alpine power pack thing compare to a separate amp?
    http://www.crutchfield.com/s_500KTP445/Alpine-KTP-445-Power-Pack.html?tp=115
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  • MacLeod
    MacLeod Posts: 14,358
    edited November 2009
    That would be better than head unit power but youd be much better off with something like this:

    http://www.crutchfield.com/p_107PA2004/Polk-Audio-PA200-4.html?tp=115

    But youd be much better off with one of these:

    http://www.crutchfield.com/p_107PA5004/Polk-Audio-PA500-4.html?tp=115
    polkaudio sound quality competitor since 2005
    MECA SQ Rookie of the Year 06 ~ MECA State Champ 06,07,08,11 ~ MECA World Finals 2nd place 06,07,08,09
    08 Car Audio Nationals 1st ~ 07 N Georgia Nationals 1st ~ 06 Carl Casper Nationals 1st ~ USACi 05 Southeast AutumnFest 1st

    polkaudio SR6500 --- polkaudio MM1040 x2 -- Pioneer P99 -- Rockford Fosgate P1000X5D
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