Infinity Kappa Perfect 6.1

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pumara_iep

Member - Posts: 19

Joined: August 31, 2004

Location: United States

Posted: September 08, 2004 at 11:03 AM / IP Logged

These Speakers are very detail in the highs and midrange. The only problem i have with them is that it lacks midbass. I have them crossed over @ 100-125hz from the deck and about 200hz from the amp. If i try to cross anything from 80hz and under from the deck, the midbass is horrible. Does anyone know of this problem? If Its just the way the speakers are, does anyone know a very good speaker component that handles very well in the highs, midrange and midbass? The highs and Midbass is a important factor for me.

DYohn

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Joined: April 22, 2003

Location: Arizona, United States

Posted: September 08, 2004 at 11:27 AM / IP Logged

It's not a "problem" per se, it's just the limitations of smaller woofers, especially if you are running a lot of power to them. From what you are writing, you have two crossovers enabled which is not necessary and indeed is not a good idea. If you are using a high-pass in your deck at 100-125Hz, then set your amp to "full pass" (turn the amp crossover OFF.) The 6.1 set is rated at 100watts RMS. What amp are you using and how did you set the gain?

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pumara_iep

Member - Posts: 19

Joined: August 31, 2004

Location: United States

Posted: September 08, 2004 at 11:46 AM / IP Logged

I'm using a rockford fosgate 801x which is 100w X 4 channels. I've powered up the front and rear speakers with these. So im sure im using enuff power, its just not much of a tight bass. I will try what you said and see what happens. I've heard some pretty good reviews on this item about the highs. and some said that it has very good bass once the speakers "BREAK IN" . I've had these for about 4-5 months and still sounds the same. Very nice highs but very bad in the low ends. Maybe its the way its double crossed. I'm gonna try and turn the amp crossover off and see.

heavilymedicate

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Joined: August 05, 2004

Location: Texas, United States

Posted: September 08, 2004 at 12:38 PM / IP Logged

200hz is a very high crossover point for 6.5" 's. You should have not trouble using an electronic crossover twice on the 6.5's. The trouble comes from using two inline passive crossovers in the same signal path. a 80hz-125 crossover point should be fine. I use both my deck crossover and the amp xover. The amp xover is set low (60hz or so) and I use the deck xover to move the xover point according to the type of music i am listening to.

Does your bass sound ok at low volumes and fade out at higher ones? If so I would say you are have reverse polarity, one of your positive and negative on the 6.5's are reversed. Reverse polarity will sap your low end and tends to pull your sound to the speakers.

There are many ways to do this. Backtracking your wiring, doulbe/triple checking connections. This is a getoass way: Turn up the volume until it is at a loud, but not distorted level. Now, you can try swapping the pos/neg for ONE of the channels at the amp, you should hear a difference in the sound. If you do not, you have other wiring problems that have to do with the components. Such as: one of the woofers is wired out of phase at the xover, or maybe one of the tweeters, maybe one of the tweeters, both of the woofers and neither of the tweeters. You will just have to check.

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pumara_iep

Member - Posts: 19

Joined: August 31, 2004

Location: United States

Posted: September 08, 2004 at 1:23 PM / IP Logged

thank you very much for the information heavilymedicate and Dyohn. Well i first took Dyohn's advice and O.M.G. there's soo much of a big difference. Now it sounds like i have a 10" woofer in my car, which made such a big difference. Heavilymedicate gave more information than needed but doesn't hurt to know Just incase i bump into a problem like that with another system, these information was accually necessary. Thanks yall.

dpaton

Copper - Posts: 141

Joined: July 19, 2004

Location: United States

Posted: September 09, 2004 at 6:30 PM / IP Logged

heavilymedicate wrote:

You should have not trouble using an electronic crossover twice on the 6.5's

Mostly true, but crossovers do not interact the way people think. if you put two electronic low pass crossovers in series, both at 100Hz, the real XO frequency will be somewhat above 100Hz, depending on the filter topology (Linkwitz-Riley, Butterworth, Chebychev, Sallen-Key, etc) and slope (-6, -12, -18, -14, etc). One at 160 and one at 200, you'll get phase anomolies around 180 or so, but nothing serious. electronic crossovers DO interact, but not in such a grungy ugly way as the passive ones do. It's a subtle effect.

-dave

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Infinity Kappa Perfect 6.1

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