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I installed these in the front. When I set BAS and TRE to 3 and FAD to F02 and turn up the volume to about 20 of 30 there are parts in the music where the tweeters will crap out. Is this because the crossovers athat come with the speakers are not as good as if I was using a high pass on an amp? Any help would be appreicated.

Amer786

 
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Coming from an ex-installer 80 percent of distortion came from under powering speakers or poor crossover's. Infinty's are good but you may think of getting an amp with built in crossover's to give you a little more power and you have the ability to adjust crossover points. hope this info helps!

 
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So this is most likely the problem right and not the fact that they are bad speakers, as in bad I mean a bad set of speakers.

 
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the tweeters crapping out is due entirely to the fact that youre underpowering them and therefore feeding them distortion to try to get t your desired volume level... a crossover on an amp will not affect the tweeters, only the lows... infinity makes some decent speakers, but the suspensions are a tad bit too stiff to run off an HU.

 
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so what is the solutions for the tweaters?

 
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amp your components.

 
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give em at least 40-50 rms each... give em 75 and youll be happy... well... maybe.... i dunno... but youll be in better shape

 
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Under powering your speakers is a good way to break them. Any amp will do.

 
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ah yes... the most common myth in the world... i can take one of his components, feed it the 14rms from his HU with a signal that is 100% distortion, and it will never die... now if you take his speakers, rated at 90 rms, give them a 150 rms clean signal, and a 150 rms pure distortion signal, then youll prolly (not even) blow em faster with the distorted signal... distortion will not blow speakers...

 
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Who said distortion?

 
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underpowering = distortion
here is why:
you underpower your speaker, then the speaker isnt going to its potential, and it most likely will not satisfy you. you want it to be louder, so you turn it up louder from the underpowering source, therefore, you turn it up beyond the source's clean level of power, into a level where the source begins to distort.
example:
i had 4 infinity kappa coaxial 6.5's in my sedan running off my HU... the suspension on a kappa is kinda stiff, so i was getting absilutely no midbass and lower midrange (im waiting for the cracks WhiteRabbit), so i would turn it up louder hoping to get a better signal out of it, and oh no, i was getting nothing but distortion. amp comes along, i can turn it up to god awful loud levels (its still not enough, hoping to get some Orion HCCA 6s 2 ohm componentsbecause they sound pretty and so i can be running 150rmsx4 without buying a new amp) and it only distorts at super loud levels.

 
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Moral of the Story... get a 4 four channel amp with at least 60 rms X 4 to power my 6.25i's and components?

 
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Thats what I did. I have the same speakers running off a pioneer amp. Its not the BEST setup in the world, but its decent for what I wanted to spend. An amp can make all the difference.

 
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if ya dont mind spendin 250-300 on that amp, look into a kicker KX 600.4 ... i got it off ikesound for 269
came with a little birthsheet saying it runs 642 rms bridged, so im looking at 80 or so per channel.... havent had any problems with it, and doesnt heat up all that much at all because it has a built in fan...