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    Any problem running these on HU power for a few days?

    I'm installing PPI 365CSs in front and Polk db651 in rear over this weekend.
    Then on Wednesday, I'm having the new HU and PDX-5 installed.
    The current HU is pioneer AVH P4000DVD. Is there any risk to my speakers running off HU power for 3 or 4 days?

    Any advice much appreciated







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    Re: Any problem running these on HU power for a few days?

    just go without the music for 3-4 days...



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    Re: Any problem running these on HU power for a few days?

    yup do without.



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    Re: Any problem running these on HU power for a few days?

    I was considering that. That's what I'll do then.
    Thanks for the advice.




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    Re: Any problem running these on HU power for a few days?

    Can someone please explain why you guys would rather have no music than run off of hu power? For the first 15 watts or so it's going to be as good as any external amplifier and doubling power is only good for 3db's. Heck, most car audio speakers run into power compression long before you put RMS onto them anyway. Given power compression on most speakers most speakers have maybe 9db's of sustained output over their 15 watt value. That's roughtly, half volume since 10db's is 2x as loud to the human ear at 1k. Yeah he might not want to crank them as that will distort pretty badly, but for just driving around they will do just fine and this is coming from someone with a better frontstage than 99.9% of the forum.



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    JL is for ballers. Theres a reason all the biggest rappers sing about JL, Zapco, Alpine..... and not Lightning audio or Pyle. It's all about the BALLER FACTOR.


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    Re: Any problem running these on HU power for a few days?

    honestly, i dont know the science involved on how speakers work and how the human ear hears sound and yada yada yada. but what i do have is personal experience and i remember having 100rms on my components that were rated 125rms, and thinking that it really wasnt anything special. I then upgraded amps and got 150rms on them, and they sounded like a completely different speaker. it honestly was like day and night...

    whats the point of installing them now, and in just a few days having to uninstall them and then reinstall them. seems like alot of work for nothing...



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    Quote Originally Posted by DDeitz View Post
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    Quote Originally Posted by Willkas View Post
    today I was messin with my newly installed subs, i really have no clue what they are but they're definatly old school. Out of nowhere, it burts into awesome mode and starts shaking the garage doors of the entire lot ( work in a auto shop).
    I just want to here some theories how this happened.
    In case you were wondering I drive a tahoe and when I say loud I mean loud to the point that your ears will pop and it starts hurting.

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    Re: Any problem running these on HU power for a few days?

    Quote Originally Posted by SRim23 View Post
    honestly, i dont know the science involved on how speakers work and how the human ear hears sound and yada yada yada. but what i do have is personal experience and i remember having 100rms on my components that were rated 125rms, and thinking that it really wasnt anything special. I then upgraded amps and got 150rms on them, and they sounded like a completely different speaker. it honestly was like day and night... whats the point of installing them now, and in just a few days having to uninstall them and then reinstall them. seems like alot of work for nothing...
    The only way 50 watts in rated power made a difference is some combination of ur old amp being vastly undmerrated and the newv one vastly overrated. Maybe ur first amp was garbage. This will do no harm and the music will sound fine if the op goes easy on the volume dial and crosses them over. Get them mounted up now if u like. Absolutely no reason not to if u dont do anything dumb with the controls. The prior advice makes no sense. They will sound acbeptable for the time being and i dont care what anybody says, they will not incinerate if u dont try to get morf out of that setup than it can give u.



    Re: whats some good components?


    Quote:
    Originally Posted by deathpenalty18
    Not an sq set up just want good sq speakers and tweets not interested in mids! And my sub is a fcking ia dp 18 with a memphis 4kw


    Originally Posted by x1le
    mids ARE speakers.

    A component set = pair of midwoofer's and a pair of tweeter's

    and nobody cares what your sub is.

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    Re: Any problem running these on HU power for a few days?

    Quote Originally Posted by eharri3 View Post
    The only way 50 watts in rated power made a difference is some combination of ur old amp being vastly undmerrated and the newv one vastly overrated. Maybe ur first amp was garbage. This will do no harm and the music will sound fine if the op goes easy on the volume dial and crosses them over. Get them mounted up now if u like. Absolutely no reason not to if u dont do anything dumb with the controls. The prior advice makes no sense. They will sound acbeptable for the time being and i dont care what anybody says, they will not incinerate if u dont try to get morf out of that setup than it can give u.
    being that i went from a pdx100.4 to a pdx150.4, no the previous amp was not garbage. ur telling me that its absolutely impossible to hear an audible difference when adding 50% more power...... i was merely making a point that its a waste of time to give a component setup 15 watts, if that off HU power... it certainly wouldnt be worth my time and effort to go ahead and install them for that when in just a few short days hes installing them for real. itd be different if he had them and couldnt get his amp for a few months, but hes not patient enough to wait a couple of days? come on man. dont be ignorant. to say my advice makes no sense is a little ridiculous.



    sold to : vitveet, ZeroAccess, Regalboi97 bought from: pboulos, mikescanlon, pickup1, konechiwa, CaliforniabOY5, desertheat
    Quote Originally Posted by DDeitz View Post
    blacks buy cars owned by white men who were designed by asians and made by mexicans ...see everyone contributes to the cycle
    Quote Originally Posted by Willkas View Post
    today I was messin with my newly installed subs, i really have no clue what they are but they're definatly old school. Out of nowhere, it burts into awesome mode and starts shaking the garage doors of the entire lot ( work in a auto shop).
    I just want to here some theories how this happened.
    In case you were wondering I drive a tahoe and when I say loud I mean loud to the point that your ears will pop and it starts hurting.

  9. #9
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    Re: Any problem running these on HU power for a few days?

    Quote Originally Posted by SRim23 View Post
    being that i went from a pdx100.4 to a pdx150.4, no the previous amp was not garbage. ur telling me that its absolutely impossible to hear an audible difference when adding 50% more power...... i was merely making a point that its a waste of time to give a component setup 15 watts, if that off HU power... it certainly wouldnt be worth my time and effort to go ahead and install them for that when in just a few short days hes installing them for real. itd be different if he had them and couldnt get his amp for a few months, but hes not patient enough to wait a couple of days? come on man. dont be ignorant. to say my advice makes no sense is a little ridiculous.
    You already admitted ur the ignorant one. If you werent and you 'understood the science' you'd know u have to double power to get the minimum 3 db increase needed to hear a difference. i toss the bs flag and say something else changed in ur install. I have gone from 60 watts RMS to 140 just by bridging the same amplifier. I could hear a difference in loudness but definitely not a night and day one.

    Maybe what the op asked about is a pointless thing to do but what he wanted to know was if this would cause problems. I've done something similar before. Doesnt sound great but the music doesnt become mush either. And it doesn't automatically kill anything. i could really blow ur mind and try to explain why you rarely if ever actually see 150 watts.
    Last edited by eharri3; 12-17-2009 at 11:47 PM.



    Re: whats some good components?


    Quote:
    Originally Posted by deathpenalty18
    Not an sq set up just want good sq speakers and tweets not interested in mids! And my sub is a fcking ia dp 18 with a memphis 4kw


    Originally Posted by x1le
    mids ARE speakers.

    A component set = pair of midwoofer's and a pair of tweeter's

    and nobody cares what your sub is.

  10. #10
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    Re: Any problem running these on HU power for a few days?

    Quote Originally Posted by eharri3 View Post
    You already admittf ur the ignorant one. If you werent ud know u have to double power to get the minimum 3 db increase needed to hear a difference. i toss the bs flag and say something else changed in ur install. maybe what the op asked is pointless but what he wanted to know was if this would cause problems. ivd done something similar before. doesnt sound great bu the music doesnt become mush either. i could really blow ur mind and try to explain why you rarely if ever actually see 150 watts.
    50% more power is good for a decibel or two, that's about it. Yeah you can hear it, but it's not going to be drastic. Speakers also rarely take anything near what your amp puts out especially not with 75% of this forum trying to set gains with a DMM for their fronts... Perhaps those 2 amps have a differnet gain ratio? Other than that I can't imagine the difference being super big for any other reason. That being said I always run big amps on my fronts for dynamic peaks and being able to keep the gains a little lower which helps with keeping noise out, which is very important since I'm a high effeciency guy too.



    Quote Originally Posted by sdmtnbiker420 View Post
    JL is for ballers. Theres a reason all the biggest rappers sing about JL, Zapco, Alpine..... and not Lightning audio or Pyle. It's all about the BALLER FACTOR.


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    Re: Any problem running these on HU power for a few days?

    Quote Originally Posted by eharri3 View Post
    You already admitted ur the ignorant one. If you werent and you 'understood the science' you'd know u have to double power to get the minimum 3 db increase needed to hear a difference. i toss the bs flag and say something else changed in ur install. I have gone from 60 watts RMS to 140 just by bridging the same amplifier. I could hear a difference in loudness but definitely not a night and day one.

    Maybe what the op asked about is a pointless thing to do but what he wanted to know was if this would cause problems. I've done something similar before. Doesnt sound great but the music doesnt become mush either. And it doesn't automatically kill anything. i could really blow ur mind and try to explain why you rarely if ever actually see 150 watts.
    sorry, guess my use of the word ignorant wasnt correct in that situation. i was merely agitated because i expressed a real life experience that i had and who are you to tell me that i didnt experience what i said I did. To ME it was a huge difference and i started to hear things in the music that i hadnt before. I'm not saying that i had X amount of DB gain, nor did i blow my ear drums simply by that much power. my speakers simply seemed to come to life from one amount of power to the next. I guess your post agitated me because I hate when you share an experience and someone tries to tell you that you are wrong... you werent there, you dont know. and no, literally nothing changed. took one amp out, put the other amp in.

    now when i typed my response, though i didnt quote it, i really was responding to the guy that posted above me, T3mpest. he asked why most of us would rather go with no music at all, as opposed to installing them on HU power. I shared that to me it wouldnt be worth the time.



    sold to : vitveet, ZeroAccess, Regalboi97 bought from: pboulos, mikescanlon, pickup1, konechiwa, CaliforniabOY5, desertheat
    Quote Originally Posted by DDeitz View Post
    blacks buy cars owned by white men who were designed by asians and made by mexicans ...see everyone contributes to the cycle
    Quote Originally Posted by Willkas View Post
    today I was messin with my newly installed subs, i really have no clue what they are but they're definatly old school. Out of nowhere, it burts into awesome mode and starts shaking the garage doors of the entire lot ( work in a auto shop).
    I just want to here some theories how this happened.
    In case you were wondering I drive a tahoe and when I say loud I mean loud to the point that your ears will pop and it starts hurting.

  12. #12
    eharri3's Avatar
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    Re: Any problem running these on HU power for a few days?

    I
    Quote Originally Posted by SRim23 View Post
    sorry, guess my use of the word ignorant wasnt correct in that situation. i was merely agitated because i expressed a real life experience that i had and who are you to tell me that i didnt experience what i said I did. To ME it was a huge difference and i started to hear things in the music that i hadnt before. I'm not saying that i had X amount of DB gain, nor did i blow my ear drums simply by that much power. my speakers simply seemed to come to life from one amount of power to the next. I guess your post agitated me because I hate when you share an experience and someone tries to tell you that you are wrong... you werent there, you dont know. and no, literally nothing changed. took one amp out, put the other amp in.

    now when i typed my response, though i didnt quote it, i really was responding to the guy that posted above me, T3mpest. he asked why most of us would rather go with no music at all, as opposed to installing them on HU power. I shared that to me it wouldnt be worth the time.
    That I agree with. I will say this. Going from 60-140 watts per side, I heard a difference. The slight extra loudness did help me appreciate the clarity a bit more, but not 'night and day'. For running off head unit power I'd say it sounds fine to someone who's never run high end components off a powerful amp but to those in the know you couldn't imagine doing it. When I was selling my last truck I took out all my good stuff. I had the dealership's car audio shop put in an old but good set of components I had laying around to fill the aftermarket tweeter holes and ran them off a cheap Alpine head unit I had in the garage. Whereas before with my Alpine head unit everything stayed clear up to about 30 out of 35 with this setup distortion set in at about 16-17 on the volume dial. I lost that 'life-like' feel where the singer was whispering directly to me and the finger was actually plucking the guitar string.

    I was back at the same shop not too long ago and told, the truck went from there to the dealership, got purchased, then went right back to the shop for new stuff.



    Re: whats some good components?


    Quote:
    Originally Posted by deathpenalty18
    Not an sq set up just want good sq speakers and tweets not interested in mids! And my sub is a fcking ia dp 18 with a memphis 4kw


    Originally Posted by x1le
    mids ARE speakers.

    A component set = pair of midwoofer's and a pair of tweeter's

    and nobody cares what your sub is.

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