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3 ohm speakers vs 4 ohm load from amp

Discussion in 'Audio & Video' started by blacksandtaco, Mar 2, 2009.

  1. Mar 2, 2009 at 5:48 PM
    #1
    blacksandtaco

    blacksandtaco [OP] Well-Known Member

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    I'm looking at replacing my stock speakers with some Kenwood Excelon models and noticed they carry a 3 ohm impedance. I've never actually wired 3 0hm speakers to an amp and most amp specs provide 2 ohm and 4 ohm load ratings. Can anyone tell me whether wiring these speakers to this amp would impact the power rating? Thanks in advance!

    http://kenwoodusa.com/Compare/?Models=KFC-X172,KFC-X692,KAC-8404
     
  2. Mar 2, 2009 at 7:41 PM
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    stang88

    stang88 Well-Known Member

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  3. Mar 2, 2009 at 7:43 PM
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    blacksandtaco

    blacksandtaco [OP] Well-Known Member

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    I wondered if it would put out between 50 and 75 watts. Thanks!
     
  4. Mar 2, 2009 at 7:56 PM
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    stang88

    stang88 Well-Known Member

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    it will sound just fine.
     
  5. Mar 2, 2009 at 8:12 PM
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    blacksandtaco

    blacksandtaco [OP] Well-Known Member

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  6. Mar 3, 2009 at 8:04 AM
    #6
    bass mechanic

    bass mechanic Well-Known Member

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    how did you determin they were 3 ohm speakers? all 4 ohm speakers will measure DC resistance at about 3 ohms, and in addition to that even 4 ohm speakers never reach 4 ohms unless they are played at their resonant frequency, 99% of the time speakers are presenting anywhere from 4-15 ohms to the amp depending on frequency.
    it will be just fine unless the amp is not capable of less than 4 ohm loads
     
  7. Mar 3, 2009 at 10:41 AM
    #7
    blacksandtaco

    blacksandtaco [OP] Well-Known Member

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  8. Mar 3, 2009 at 6:12 PM
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    bass mechanic

    bass mechanic Well-Known Member

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    its a missprint, it says below that it is a 4 ohm system. the speaker may have a 3 ohm dc resistance however but there would be no real bennifit to having a lower impeadance speaker. it might be slightly louder than a 4 ohm driver if it is true but i think its a missprint
     
  9. Mar 4, 2009 at 10:45 AM
    #9
    blacksandtaco

    blacksandtaco [OP] Well-Known Member

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    I wondered if that's what it was.
     

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