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    choice between a few sub-$115 amps to power a nice 10

    Hello everyone!
    I am new to the forums, but there seems to be a lot of good info here.

    I need to power a Powerbass ES 10DS in a custom built, smallish sealed box
    its a 2 ohm DVC, and i have it wired in series, so 4 ohm impedance, but could wire it parallel for 1 ohm if necessary, 500W RMS/1000W Peak power handling

    Nowadays, I only have the one sub in my car, (used to have 10 years ago two 12" L7's with a good 1500W RMS Hifonics amp), and really have it so that that I can hear the bass guitar in rock songs and listen to some rap the way it is supposed to be listened to from time to time.

    I am a poor graduate student, and unexpectedly replacing a 4 year old POS amp that worked ok for a while, and consequently, only have about $100-115 max to spend.

    I am skittish about buying used amplifiers, and so have limited my search to new

    I want to push it at between 300-500 watts if possible

    I found 2 amps that are within the price range, and push that amount, and are brands i have heard of and/or that have some credibility (i.e. no boss, pyle, pyramid, lanzar, etc.)

    Crunch GPV1000.2 $70
    500Wx1@4ohms RMS/1000W peak
    Hifonics Hfi100.2 $90
    400Wx1@4ohms RMS/800W peak (so 340x1 then)
    according to maxxsonics tech support crunch rms is 1/2 of Max power, and the hfi line (the only non-CEA rated Hifonics line) is listed as rms on the hifonics pages, but overrated by 18%

    any suggestions/advice would be appreciated. THANKS!







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    Re: choice between a few sub-$115 amps to power a nice 10

    Audiopipe 15001D




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    Re: choice between a few sub-$115 amps to power a nice 10

    Shopping Cart : VMInnovations.com

    Use the VMsave10 coupon. Thread/



    Quote Originally Posted by ShakinDaBlock View Post
    ive seen some people put the type r's on 1200rms and taken it easy. the p3's aint all that great either. it would be close but i would go w alpine
    Quote Originally Posted by DonH View Post
    what is sig worthy about his post? srsly?

    r's have my vote. sweet lil subs for the price!
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    Re: choice between a few sub-$115 amps to power a nice 10

    thanks for the feedback, it is really helpful. I have 3 more quick questions
    1. is audiopipe similar quality to soundstream, sony, and kenwood, as I have found a soundtream trx2.440 for $80 (440@4ohms), a kenwood KAC-7205 for 120 (500@4ohms), and a soundstream stl2.560 and a sony xm gtr-2202 for about 135 (540/560@4ohms).

    2. is there an easy way to not worry about my sub being blown if i run either the audiopipe (640 RMS @ 4ohms) or the hifonics (600 RMS @ 1 ohm)

    3. is running the amp at 1 ohm more taxing on my car's electrical system, i.e. will the brutus last a shorter time or cut out more often than the audiopipe at 4 ohms




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    Re: choice between a few sub-$115 amps to power a nice 10

    Deleted-duplicate
    Last edited by senaudio; 02-02-2011 at 01:52 PM. Reason: duplicate




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    Re: choice between a few sub-$115 amps to power a nice 10

    Quote Originally Posted by senaudio View Post
    thanks for the feedback, it is really helpful. I have 3 more quick questions
    1. is audiopipe similar quality to soundstream, sony, and kenwood, as I have found a soundtream trx2.440 for $80 (440@4ohms), a kenwood KAC-7205 for 120 (500@4ohms), and a soundstream stl2.560 and a sony xm gtr-2202 for about 135 (540/560@4ohms).

    2. is there an easy way to not worry about my sub being blown if i run either the audiopipe (640 RMS @ 4ohms) or the hifonics (600 RMS @ 1 ohm)

    3. is running the amp at 1 ohm more taxing on my car's electrical system, i.e. will the brutus last a shorter time or cut out more often than the audiopipe at 4 ohms
    1. Sorry, I'm not familiar with audiopipe.
    2. Yes, set your gains properly.
    3. Amps do become less efficient at lower ohms. I'm not sure what you mean cut out. But no, shouldn't make a significant difference as long as it doesn't see any major voltage drops
    Last edited by Slayerx; 02-02-2011 at 02:00 PM. Reason: typo



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    Re: choice between a few sub-$115 amps to power a nice 10

    No the audiopipe is not as good quality as sundown




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    Re: choice between a few sub-$115 amps to power a nice 10

    If we keep it to pm's and you don't mind used, I might be able to help.



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    Re: choice between a few sub-$115 amps to power a nice 10

    thanks for the help, all of you. The guy at the shop told me that a voice coil was bad on my sub and a channel was bad on my amp, so I will be focusing on a new search for amp+sub. I will do a little research, then post if I need any more assistance.




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    Re: choice between a few sub-$115 amps to power a nice 10

    did not know there were l7s 10 yrs ago lol




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    Re: choice between a few sub-$115 amps to power a nice 10

    As for the question about cutting out, and the blown vc and bad channel. Your gain is/was set to high sending a clipped signal to the sub. Effectually burning it up as well as the amp over time. There are stickies on the amp forum about how to set your gain properly. I realize it will probably be a little longer for you to save up more money for a sub as well. But research a bit so you wont go down the same path again. I run quite a bit of 15-20 year old gear. As long as your electrical can support it and it is set up right, gear should last until you get tired if it, if it was good to begin with.
    Good luck.




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    Re: choice between a few sub-$115 amps to power a nice 10

    actually, the amp was an spl z2x-820 that the installer wired wrong. he had it bridged (supposed to be 4 ohms) into ONLY ONE ******* VOICE COIL of the DVC 2 ohm speaker. I suspect this had something to do with one of the channels burning out and one of the voice coils on the speaker going bad. I don't know why he did this. I found this out when I took the speaker out of the box 3 days ago, he installed it 5 years ago, ran for about 2 years. Also, a rca was bad.

    I was wondering about the cutting out due to my previous experience with the hifonics (and the 2 l7's) that would overheat every once in a while, then cut out for a while, then come back. I was wondering if the 1 ohm load would overheat the amp more often, causing it to cut out more frequently than running it at 4 ohms.




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    Re: choice between a few sub-$115 amps to power a nice 10

    The ohm load really wouldn't be the cause as long as it was rated to run there, which the hf are. They will definitely put off more heat when putting out more power. But most of the time if it builds enough heat to put the amp into protect mode the gain is set too high. There could also be a voltage problem due to the vehicle not supplying the needed amperage. But generally most amps will burn out with low voltage and not go into protect mode. Those that will generally just shut down momentarily and come right back on when voltage is back up. If the hf would take a few minutes to cool back down then start working again that is clipping producing excess heat in most cases.
    No worries though you can start a thread on subwoofer recommendations and get much better gear than you had at a much better price than you invested previously. And brushing up on setting up your own system will ensure it will actually last this time. Instead of a dumb *** screwing you over from the get go.
    Good Luck




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