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-   -   Image Dynamics CD2 Questions (https://www.caraudioforumz.com/general-discussion-10/image-dynamics-cd2-questions-5198/)

Fishbone 06-21-2004 10:48 AM

I'm setting up my front end that consists of Image Dynamics CD2 horns and CX62 midrange/midbasses...can someone give me some advice on where to start with x-over points.

Also, they seem a little harsh in the 1k to 2k range...any thoughts on EQing?

Obviously, I am looking for general hints that might help me in my tuning...i know every car will be different.

Thanks,

Lawrence.

Impala Builder 06-21-2004 12:59 PM


Originally posted by Fishbone:
Also, they seem a little harsh in the 1k to 2k range...any thoughts on EQing?

Welcome to the world of HLCD's

One trick you can use it to have a 3k crossover point and use a 12db slope.....that can help

You really have to play with them and figure out what your car makes them do also

chev2 06-21-2004 05:20 PM

what bodies do you have? full size or mini?

What xover point are you using now?

Fishbone 06-22-2004 05:57 AM

I have the minis...I have experimented with crossover points at both 800 Hz and 400 Hz (which, I guess, is essentially no crossover).

I was under the impression that you want to run with as low a crossover point as possible to improve imaging.

Thanks,

Lawrence.

chev2 06-22-2004 09:21 AM

Yeah your crossing them over to low. forsure on the 400hz.

how low a horn plays depends basically on 4 things.. The area of the mouth, the flare, the diaprahm, and throat size of the driver.

The minis with there small mouth are really limited to 1khz.. Try between 1 and 1.5khz for a xover point.

the full size bodies could do 600 to 800 roughly...

Kris Dancey 06-22-2004 01:01 PM

The CD2's do exhibit a hump in the 1Khz-3Khz range, EQíng could help, but first and formost, crossover points, level setting, and phase should be of concern. A crossover point in the 1Khz region will usually work best, but is not a rule of thumb... You have to experiment to see what works best, and how well the horn couples with the dash. Try flipping the phase of each driver, one at a time see how it affects the stage/tonality.


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