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4 Channel amp plus 2 Ohm and 4 Ohm speakers

Discussion in 'Audio & Video' started by DevL, Mar 31, 2010.

  1. Mar 31, 2010 at 8:49 AM
    #1
    DevL

    DevL [OP] Well-Known Member

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    Can I run the front channel at 2 Ohm components in fornt and the rears at 4 Ohms on the same 4 channel amp? Will this give me more of a rear fill if using a 4 channel amp with equal power to the fronts and rears? I am considering Image Dynamics CXS2 62 2 Ohm components up front and 4 Ohm coaxials in the rear? Is this do-able and will it give me what I want as far as more output up front and less in the rear without excessive fading or needing a much more powerful amp to the power I want for 4 Ohm components up front?
     
  2. Mar 31, 2010 at 9:15 AM
    #2
    momotaro

    momotaro Member

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    Need more information about the amplifier (make and model).

    Most amplifiers can't do a combined 2 and 4 ohm load but there are exceptions.
     
  3. Mar 31, 2010 at 9:19 AM
    #3
    DevL

    DevL [OP] Well-Known Member

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    Have not picked an amp yet but it sounds like this might NOT be a good idea then.
     
  4. Mar 31, 2010 at 9:28 AM
    #4
    momotaro

    momotaro Member

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    If you're dead set on running those comps, my advice to you would be to find a nice 2 channel amp that will run safely at a 2ohm load. Then run the rear coaxials off the head unit power.
     
  5. Mar 31, 2010 at 10:18 AM
    #5
    DevL

    DevL [OP] Well-Known Member

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    My only reason for picking them was to run a less expensive 4 channel amp... if I just run the rears on the head unit it would be 22 watts x2 @ 4 Ohms (Kenwood Excelon head unit). If that would be adequate for rear fill I could afford better, more expensive Components up front.

    This never seems to get any easier... I know I want some silk domes that are not harsh (all the titatnium tweeters I have heard hurt my ears) and plenty of midbass in a 6.5" size. I guess I am back to the drawing board for speakers again. :(
     
  6. Mar 31, 2010 at 11:10 AM
    #6
    phd12volt

    phd12volt Well-Known Member

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    having a 2 ohm load on the front channels, and a 4ohm load on the rears is fine, as long as the amp is capable of driving that....most good amps are. In reality the 2 ohm ones would be technically louder than the rear. (with all things being equal) HOWEVER, remember that running the front at 2 ohms will cause a rise in distortion levels. whether or not you can hear that level, is something else.
     
  7. Mar 31, 2010 at 12:05 PM
    #7
    07TacoRidah

    07TacoRidah SHHHH, this is interesting

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    Engine bay: aFe Pro Dry filter Secondary air filter deleted Sokie Tech hood damper kit OReiley battery terminals Big 3 upgrade (0g wiring) 2012 Headlight swap HID kit (headlight 6k/fog light 3k) Sylvania Zevo LED turn signals w/hyper flash resistors Rear back up light GY6 bulb Bullz Audio 0g wire Exterior: Dynamik Retro Projector style headlight housing Depo Euro Black Altezza LED tails 2012 front grill/bumper cover w/ fog light and hood swap Rear bumper swap (to chrome, painted w/bedliner paint) 99 Cents Store tailgate lock Suspension: XR Bilsteins Universal Air Suspension strut bag Custom UCA's DJM 4" rear drop kit 1" spindle spacer kit 4x4 leaf pack swap (middle leaf removed) Air Lift rear helper springs 4 Siria (Asco) 3/8" air valves 3 gallon air tank 1/4' air lines 90's Acura Integra door switches to air valves ViAir 450 air compressor Rims: 18x10 Work VS-KF front w/5" lip 18x11 Work VS-KF rear w/6" lip 225/40/18 tires all around Sick Speed 3 piece spike lug nuts Pepboys valve stem caps 1" wheel spacers all around Interior: Wink Mirror rear view Center console lid fabric Metra Dash kit Kenwood bluetooth headunit Hifonics Zeus ZXi 6410 PB 6 1/2" component speakers up front 10" single Hifonics subwoofer 10" sealed angled box Katana shift knob
    look up these amps from Phoenix Gold

    PG xenon 100.4, xenon 200.4 and the PG ti500.4
     

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