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    DIY 400 watt comps

    I know that wiring speakers in parallel both speakers will play the same but is it the same side (Left or right) or is it they will play both sides?

    Also do I need 2 crossovers? (probobaly a stupid Q)

    How do I know how much power is going to each speaker if I hook the amp to the crossover? because If i send 400 watts I know that my Midbass and Midrange will be able to handle it but not the tweeters

    Just encase you ask

    Peerless 8" Midbass
    Peerless 5.25" Midrange
    Still looking for 100 watt tweets







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    Re: DIY 400 watt comps

    I would assume that you are going active?



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    Re: DIY 400 watt comps

    I was thinking Of active but I'm not sure If I got it right

    Passive
    Get 3 way crossovers and hook up my speakers to the xover and hook up my xovers to a 400x2 amp? with this how will I know how much power each speaker is getting>

    Active
    Run the tweeters the amp crossover at 50x2
    Hook the Midbass and Midrange to a 150x4 amp and run the HU crossover

    Are these right?




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    Re: DIY 400 watt comps

    Quote Originally Posted by Tbird006TheKing
    I was thinking Of active but I'm not sure If I got it right

    Passive
    Get 3 way crossovers and hook up my speakers to the xover and hook up my xovers to a 400x2 amp? with this how will I know how much power each speaker is getting>

    Active
    Run the tweeters the amp crossover at 50x2
    Hook the Midbass and Midrange to a 150x4 amp and run the HU crossover

    Are these right?

    That is correct for the active -- for passive you need a xover designed specificly for the drivers for it to work properly...

    You will want a 30 band+ eq for each speaker ideally for an active setup -- or an adjustable q xover works alright too if you know what you are doing...

    as for a passive you would need to get one designed for ya -- are you stuck on the peerless -- and what is your budget btw?



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    Re: DIY 400 watt comps

    Quote Originally Posted by Tbird006TheKing
    Still looking for 100 watt tweets
    EHHHHH? is there such a thing?




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    Re: DIY 400 watt comps

    this should easily handle 100wrms....hehehehehe

    http://www.partsexpress.com/pe/showd...number=294-415




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    Re: DIY 400 watt comps

    Quote Originally Posted by boister77
    this should easily handle 100wrms....hehehehehe

    http://www.partsexpress.com/pe/showd...number=294-415
    Are you sure? haha



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    Re: DIY 400 watt comps

    Where can I get crossovers deisgned?
    How much do they cost?




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    Re: DIY 400 watt comps

    Check your PM box



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    Re: DIY 400 watt comps

    why would you need a 30 band for each speaker? a tweet wont use anything at all below 2.5k (depending on the tweeter freq) and the mid wont need 20 hz -60 hz......



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    Re: DIY 400 watt comps

    Quote Originally Posted by OlogyAudio

    You will want a 30 band+ eq for each speaker ideally for an active setup --
    i think you mean for each side....



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    Re: DIY 400 watt comps

    Each side at a minimum...ideally you will want to correct for each individual driver's response... if you can get a 10band EQ that is specific for the frequencies that the single driver is being used for that would be ideal but I've never seen one in the car world... Ideally you would design your own fixed active filter... look at linkwitz's work... in the home audio world but the same applies here http://www.linkwitzlab.com/

    A good custom active filter (or a *ton* of EQ) > a good custom passive filter.... but a properly designed passive filter > a run of the mill active filter... there are pros and cons about both... but when you can controll the transfer function of EACH driver independently with your active setup... the passive no longer has much of an edge on the active.... and there are tons of good features that you get with no appreciable ESR between the amp and the driver... not to mention you get a ton of quality headroom!



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    Re: DIY 400 watt comps

    ahh so you suggested that at at or around the crossover points and 1 spot over and under the x over slope thing is i never seen a set up with more than 4 eqs usually 3 to cheat on rta lol



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    Re: DIY 400 watt comps

    Quote Originally Posted by audiolife
    ahh so you suggested that at at or around the crossover points and 1 spot over and under the x over slope thing is i never seen a set up with more than 4 eqs usually 3 to cheat on rta lol
    Yea the idea here is mainly to be able to adjust the transfer function for each driver where the xover points are more than anything... Time/phase adjustment for each driver would be nice as well but I havne't seen an active adjustment for the car yet... kind of odd...

    People don't do this because.... they aren't crazy or just don't know what is actually going on... you have to be RLY into your sound quality to care this much though... talk about diminishing returns



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    Re: DIY 400 watt comps

    Contact Madisound for custom passives. All you need to do is send them one side of your setup (Midbass, Midrange, Tweet) and they'll do all the testing and make the xovers for you. Later....

    NG




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