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    mdd99's Avatar
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    could the amp be blown?

    let me make this as clear as i can so everybody can understand...first of all i have a cdt 61a or whatever they called it and a usd amp or somethink like it......my first unresolve problem is that my cd player could not be hook to the amp because of some weir problem with my cd player..which lead my to hook the amp to the battery wires.....since then...the battery keep staying on and on and never turn off (don't know if this could hurt my amp or not) but because the amp is on all the time, everytime i try to change the wire on the amp, i get a little spark..(note) only sometine when i'm not careful.......that is with the cd player and the amp...

    now onto the speaker story..i recently made a kick pannel and try out my cdt that was in my old car before...everything is hook up correctly and double check from the negative and positive..and my problem is that one speaker sound smaller than the other.....when i switch cross over..still sound the same.. so i know it not the cross over....but when i switch the channel on the amp with right and left....suddently the sound is switch...from left=loud and clear and detail to the opposite......and the right speaker from **** to good......by now i could guess that it was the amp but not sure.....could the amp be blown one channel only and still be heard....is it easy to fix..







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    Re: could the amp be blown?

    let me make this as clear as i can so everybody can understand...
    so when you said that.. were you actually going to do it? Because your hole thread is confusing and impossible to understand.




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    Re: could the amp be blown?

    Lol john, I agree

    Mdd, please try again?



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    Re: could the amp be blown?

    that doesnt sound like the amp is blown.. Something else I think. Do you have a seperate gain per channel? maybe ur overdriving one and making the speaker distort. But Onto having the turn on lead into the battery wire. That isnt good because u will always be sucking power from ur battery. I dont know if its bad or not for the amp but u could try looking for a fuse or something in ur car that is only on whne the car is on. such as the windows or windshield wipers then stick it in there.



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    Speaker Amp: Infinity 7520a (97 rms x2 /14.4volts @ 4 ohms)

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    Re: could the amp be blown?

    hmmmm....let me state this in a more direct ways...first of all, the amp have only one gain for two channel.......the left component is hook up to the first channel...the right component is hook to the second channel......and the left component sound like it is under power and weak and the right component sound good and clear....when i play a song..i can hear the drum and the guitar play on the right speaker but not on the left...it sound like a tweeter problem but it not because when i switch the input of the speaker on the amp, the left speaker sound good and clear and the right speaker sound crapy and small...so i'm prety sure it must be the amp,,,,but don't know what the problem is....also i try to use a multimeter to measure the amp power for each channel and the good channel(which is the loud and clear one) is 27 and the bad channel is 33...why is the good channel have less power than the bad channel...it hard to understand......i hope this make sense for you all..




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    Re: could the amp be blown?

    anyone have any idea or suggestion...anything helps.....




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    Re: could the amp be blown?

    Sounds like you lost a channel in the amp? Might want to open it up and see if anything looks burned...maybe get a photo if there is.



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    Re: could the amp be blown?

    or try replacing the RCA's. Swap them around to and see if the problem moves channel to channel.




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    Re: could the amp be blown?

    i try replacing the rca...and doesn't help so i get tire took the rem out of the amp to turn them off and the amp sometime turn on and off even without the rem in the amp...how is that even possible




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    Re: could the amp be blown?

    never heard of hooking up an amp to the battery wires? I'd say get a new headunit



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    Re: could the amp be blown?

    leave the speaker wires the same... unplug the rca's and switch them... did the sound switch on the speakers? if not... i'd say something is wrong with the amp... but if the "sucky" speaker sounds good now... then something is wrong with the rca's or HU... just use one rca... and use some switching to find ur problem with the bad rca or bad preout on radio

    **edit**... is this a pioneer radio by any chance?



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    Re: could the amp be blown?

    easiest way to check ur amp is get a Tone Generator *about 20 bucks* turn the amp on, and plug in the TG to the rca input... turn the TG on... *make sure your gain is allllll the way DOWN because TG's send out at least 9Volts of sound... if you get sound... then try it from the front of the car first plugging in the old RCAS back into the amp... plug in your TG to the rcas a the deck... if you get good tone then I would say there is nothing wrong with the amp... also I would check your speakers with a multimeter to see if they are reading the correct impedence... if everything reads okay... then I would say it's your deck... what kind of deck is it???




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    Re: could the amp be blown?

    Quote Originally Posted by mdd99
    i try replacing the rca...and doesn't help so i get tire took the rem out of the amp to turn them off and the amp sometime turn on and off even without the rem in the amp...how is that even possible
    it is possible that your amp has a signal sensing turn-on... JL Slash amps have this... most amps that have this has a switch to turn it off...
    what kind of amplifier is it??




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    Re: could the amp be blown?

    read this and laughed out loud...

    let me make this as clear as i can so everybody can understand...first of all i have a cdt 61a or whatever
    he contradicted himself within the first sentance




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    Re: could the amp be blown?

    i have an old sony deck and an us acoustic 2 channel amp....there is no different in the rca switch and speaker impence is the same....the sound only change when i switch left speaker channel to right speaker channel...and the good sound go to the opposite speaker....and did any of you guys found out why the amp sometime turn on even without the rem plug in the amp...




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