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Reload Thread: AP 1800 Louder then saz 3000d..Why?

  1. #61
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    Re: AP 1800 Louder then saz 3000d..Why?

    Quote Originally Posted by benbenondatrack View Post
    ok guys i guess it was the gain, i turned it up to about maybe 60% and it started coming to life, and i mean loud. i need a way better box but it def. it alot better then the ap 1800 now
    with low voltage coming into amp from headunit youll need to have gain higher to match. you should have a real box builder build you a box . pm double 07!!! let him build you a box



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    Re: AP 1800 Louder then saz 3000d..Why?

    Quote Originally Posted by benbenondatrack View Post
    ok guys i guess it was the gain, i turned it up to about maybe 60% and it started coming to life, and i mean loud. i need a way better box but it def. it alot better then the ap 1800 now
    On the SAZ? Dude, I'm telling you, stop doing what you are doing without knowing exactly what's going on with your system. Buy some tools, set the gain properly unless you are positive you know what clipping sounds like, and make sure you get a voltage meter. If you are approaching clipping I'd be scared though. You don't have much current to push to that amp, if you dip too low on current you have a good chance to blow that amp again. Voltage can tell you a lot.



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    Re: AP 1800 Louder then saz 3000d..Why?

    yeah i would watch it man the dude im getting a saz4500 from didnt have good electrical and now its at dbr because of it



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    Re: AP 1800 Louder then saz 3000d..Why?

    Quote Originally Posted by ace_800 View Post
    I set with DMM and my gain is 3/4's up, voltage is 2.5 and no clipping.
    How do you know there is no clipping without an O scope?




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    Re: AP 1800 Louder then saz 3000d..Why?

    This thread...

    SMH.



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    TaylorFail
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    Taylorfail, v.2
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    TaylorWin v.1?

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    Re: AP 1800 Louder then saz 3000d..Why?

    Quote Originally Posted by goingdef View Post
    Well seeing as with most amps power drops as as the ohms rise I think you might want to look into this a little more, rise is only a need to know thing if your burping a tone and it has to be the same tone you tested with to find the rise so most find the tone that meters the highest then test for rise and make the appropriate adjustments.
    It does come into play, when you set the gains using a dmm you are setting the amplifier to put out a certain amount of volts of alternating current, you find the amount of volts, by looking at the amps rated power output at a certain impedance level. However once you start playing your sine wave to set the gain with the dmm you immediately have impedance rise. For example lets say you are setting the gain on an amp that puts out 1000 watts at 1 ohm that is hooked up to two dual 4 ohm subwoofers. Lets say the woofers are wired down to 1 ohm on the amp. 1x 1000 =1000 and the square root of 1000 is 31.6. So you should look for 31.6 volts of alternating current on your dmm for the amp to be putting out 1000 watts at 1 ohm like it is rated to do so. Once you start playing your sine wave your amplifier is going to be seeing above 1 ohm due to impedance rise, if you then turn the gain and set it so its putting out 31.6 volts of alternating current your amp is going to be far into clipping. Also you run into the problem of amps not doing what they are rated to do, and not knowing the supply voltage to the amplifier.

    The only sure way to set your gain is with an o scope




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    Re: AP 1800 Louder then saz 3000d..Why?

    Quote Originally Posted by gckless View Post
    On the SAZ? Dude, I'm telling you, stop doing what you are doing without knowing exactly what's going on with your system. Buy some tools, set the gain properly unless you are positive you know what clipping sounds like, and make sure you get a voltage meter. If you are approaching clipping I'd be scared though. You don't have much current to push to that amp, if you dip too low on current you have a good chance to blow that amp again. Voltage can tell you a lot.
    i will just unplug the amp until i get my new alt



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    Re: AP 1800 Louder then saz 3000d..Why?

    Quote Originally Posted by cdc351jeferson View Post
    yeah i would watch it man the dude im getting a saz4500 from didnt have good electrical and now its at dbr because of it
    trade my amp and cash for yours?



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    Re: AP 1800 Louder then saz 3000d..Why?

    Quote Originally Posted by benbenondatrack View Post
    trade my amp and cash for yours?
    no my amp is partial trade for the saz



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    Re: AP 1800 Louder then saz 3000d..Why?

    Quote Originally Posted by cdc351jeferson View Post
    no my amp is partial trade for the saz
    He means his saz for your saz



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    Re: AP 1800 Louder then saz 3000d..Why?

    Quote Originally Posted by dbeez View Post
    He means his saz for your saz
    lol thats funny . his subs would cry on that power. yeah hes giving me 150$ plus the saz for my aq and ill be out like a 250-300$ repair bill



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    Re: AP 1800 Louder then saz 3000d..Why?

    Quote Originally Posted by cdc351jeferson View Post
    lol thats funny . his subs would cry on that power. yeah hes giving me 150$ plus the saz for my aq and ill be out like a 250-300$ repair bill
    What he wants the saz4500 not the aq



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    Re: AP 1800 Louder then saz 3000d..Why?

    Quote Originally Posted by itsblown View Post
    It does come into play, when you set the gains using a dmm you are setting the amplifier to put out a certain amount of volts of alternating current, you find the amount of volts, by looking at the amps rated power output at a certain impedance level. However once you start playing your sine wave to set the gain with the dmm you immediately have impedance rise. For example lets say you are setting the gain on an amp that puts out 1000 watts at 1 ohm that is hooked up to two dual 4 ohm subwoofers. Lets say the woofers are wired down to 1 ohm on the amp. 1x 1000 =1000 and the square root of 1000 is 31.6. So you should look for 31.6 volts of alternating current on your dmm for the amp to be putting out 1000 watts at 1 ohm like it is rated to do so. Once you start playing your sine wave your amplifier is going to be seeing above 1 ohm due to impedance rise, if you then turn the gain and set it so its putting out 31.6 volts of alternating current your amp is going to be far into clipping. Also you run into the problem of amps not doing what they are rated to do, and not knowing the supply voltage to the amplifier.

    The only sure way to set your gain is with an o scope
    That would make sense IF you are setting the gain with the subs hooked up(which you don't), an amp does not sense a rise in impedance with no load on it.

    Oh and as impedance rises ac voltage must rise too if not it will be seeing less then it's rms wattage so how do you figure it would be clipping. So once again with a decent amp that's known to do rated or better setting it with a dmm is fine, now I agree if you wanted to squeeze every last watt from an under rated amp a scope is the way to go.



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    Re: AP 1800 Louder then saz 3000d..Why?

    Quote Originally Posted by dbeez View Post
    What he wants the saz4500 not the aq
    my saz



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    Re: AP 1800 Louder then saz 3000d..Why?

    lol i thought it was his gain



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