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Crossovers...?


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How do you set one up? I mean, I'm trying to do a fully active crossover setup with the tweeters running off a separate amp. Is there any way of keeping each set of speakers from "overlapping" each other? Basically limiting them only to certain frequencies. Like 20-80hz for subs, 80-200hz for midbass, 200-~2000hz for mids, and then ~2000hz or up for tweets? I've always been curious about this.

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Simple ... get you a external active crossover, or a bad ass headunit with High pass, band pass, low pass, and subwoofer pass selection capabilities ...

and BTW, who told you that "overlapping" frequiencies was a bad thing ??

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Simple ... get you a external active crossover, or a bad ass headunit with High pass, band pass, low pass, and subwoofer pass selection capabilities ...

and BTW, who told you that "overlapping" frequiencies was a bad thing ??

No one told me that. I just thought it was. My current build used to be really peaky around 100hz until I put an 80hz high pass on my components and an 80hz low pass on my subs, so that's one reason. I can admit that I'm probably mistaken though.

Lane AKA HeroKight

'96 Jeep Cherokee Classic 4x4

R.I.P. Molliboo

$200 for new tires, on a jeep!? Is she stealing them or building them with a heat gun and rubber bands?

You hear that????


That's a category 5 shit storm coming

n8: hey you doing today. What's it like being a bitch? you can pm me if you'd like to explain why you arent one. Just like you did for your vs threads.

^^^Rules. Follow them.^^^

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Buy a good head unit that has a built in active crossover. It can be difficult to find one that will support a 3 way active front stage though, so I suggest running your midrange and midbass together and use your amp's high pass/low pass filters to seperate them. The only pain with that is that most 2 or 4 channel amps have shit crossovers on them, that won't allow you to set the LPF higher than 150-250Hz.

Here's how I have mine set up:

Head unit: Sub: LPF - 63Hz

Mids: HPF - 63Hz - LPF - 3.15kHz (midbass and midrange both receive signal from this output)

Highs: HPF - 3.15kHz

Amps: Sub: No LPF, SSF Off (set to 7Hz below box tuning, or to about 25Hz for most people)

Midbass: No HPF, LPF - 315Hz

Midrange: HPF - 315Hz, No LPF

Tweeter: No filters

Edited by Autruche

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some good info,.... but, i myself like to "over lap" where i can,... i also run different on my slopes,... 12db or 24db.... i mix and match my slopes, to, well,... have a slope, on some of the freq's i want to,..... and not just a direct cut or drop off.....and prefer band passing anywhere you can... i band pass every one of my speakers...

but, im usually doing things all flip flop...only worried about my ear though...lol

Edited by KyLar96
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  • 10 years later...

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