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View Full Version : Tweeter making a very slight crackling sound....causes?



Latina33
09-12-2007, 11:49 AM
I'm not sure if it's actually making a crackling sound, or it's just playing such detail in the music that it's playing pre-recorded imperfections, but I think my driver's side tweeter might have a very slight crackle sound going on when I'm playing music.

I've put in accoustic-based tracks, though, and the crackling sound doesn't seem to be evident at all, but then I put in other rock tracks, and I swear I can hear just a little bit of that noise.

Is there something that might be causing the tweeter to crackle even the slightest bit like it is, or might this be something else? It doesn't sound blown by any means, it just seems to have a slight crackling sound.

Any ideas? Or am I just hearing things?

DBfan187
09-12-2007, 11:52 AM
too much power for a low xover slope?

Latina33
09-12-2007, 11:53 AM
too much power for a low xover slope?

Yeah? Even if it's only seeming to come from the one tweeter?

The other tweeter seems fine.

DBfan187
09-12-2007, 11:55 AM
try uping the xover point some.

Latina33
09-12-2007, 11:59 AM
try uping the xover point some.

Cool, I'll mess around with it some.

I'm running my comps active, and the tweeters are currently set at 4hKz, 18db/oct slope. I've tried them at the next setting down on my HU, which is 3.2hKz, and the tweeters don't seem quite bright enough for me. I've also tried to adjust them up to 5hKz, and there's just too much seperation between the midbass and the highs (my mid-hi setting is set at 3.2kHz, 18db/oct).

Latina33
09-12-2007, 12:00 PM
Thanks for the inputs, btw, db. :fro:

DBfan187
09-12-2007, 12:20 PM
What tweets do you have? You may just need a steeper slope.

Latina33
09-12-2007, 12:23 PM
What tweets do you have? You may just need a steeper slope.

http://car.rainbow-audio.de/products/details.php?lan=2&pro=1&lin=3&art=231440

Steeper slope....so you thinkin' I should adjust the tweets from 18db/oct to 24db/oct?

DBfan187
09-12-2007, 12:47 PM
yeah, I'd try that 1st.

headless
09-12-2007, 01:01 PM
Hmm. Cal-26's at 3.2khz/18db shouldn't be hurting...from rainbow it comes through at either 2.2 or 2.6khz...

jdawg
09-12-2007, 01:11 PM
blown

headless
09-12-2007, 01:31 PM
blown

Yep. I would suspect they were run temporarily at a very low crossover or full range at volume...

DBfan187
09-12-2007, 01:44 PM
which goes back to my 1st post................

Latina33
09-12-2007, 01:52 PM
Yep. I would suspect they were run temporarily at a very low crossover or full range at volume...

Blown, really? It's not noticeable ALL the time, on every song, and when I play a lot of accoustic music, like I said, it's not really evident.

When a tweet is blown, wouldn't it be pretty obvious by the sound output....or it would just stop working?

DBfan187
09-12-2007, 01:55 PM
Are you sure it's a crackling sound, or is it a hiss like all the words that have an "S" in them blend together?

Latina33
09-12-2007, 02:41 PM
Are you sure it's a crackling sound, or is it a hiss like all the words that have an "S" in them blend together?

D@mn, I hate describing stuff on the internet. :)

It's really hard to describe without giving you guys a listen....it's not a hissing sound, it's more of like a very light crackling sound, like something is rattling very softly.

I know, I know....still clear as mud. LOL

Latina33
09-12-2007, 05:31 PM
D@mn, I hate describing stuff on the internet. :)

It's really hard to describe without giving you guys a listen....it's not a hissing sound, it's more of like a very light crackling sound, like something is rattling very softly.

I know, I know....still clear as mud. LOL

But it's only coming out of ONE tweeter, and it's very faint, and I don't really notice it much at all on accoustic tracks. :confused:

DejaWiz
09-12-2007, 05:35 PM
Have you check all the wiring? Could be as simple as something with a loose connection.

Latina33
09-12-2007, 05:59 PM
Have you check all the wiring? Could be as simple as something with a loose connection.


LOL Nope, I've instantly (and naturally) thought it would be something worse/,ore involved than that. Thanks for reminding me that it very well could be something super easy to fix. :)

snicka
09-13-2007, 01:38 PM
It could also be digital distortion (clipping) on the recoding itself.

I have a few CDs that have this issue. Sometime distortion slips through the mastering phase of recoding without anyone noticing (or caring).

If you hear the sound in the same spot of a song on the same CD, then it could be actual clipping on the recording itself.

If the sound is random and happens on a few different CDs, then it is probably something else.

DBfan187
09-13-2007, 01:43 PM
I was think sibilance, but it may just be a tweet on it's way out.

Latina33
09-13-2007, 05:39 PM
I was think sibilance, but it may just be a tweet on it's way out.

That's not the desired effect....lol.

Is there a way a car audio shop can test a tweet by itself to see if it's damaged or going out?

Latina33
09-14-2007, 03:08 PM
UPDATE!

After taking off the tweeter mounts and adjusting the wiring, it seems to have resolved the issue. Something must've been loose somewhere, but now there's no more weird crackling sounds. W00T!!

DejaWiz
09-14-2007, 03:21 PM
That's good news bro! Glad it was an easy fix.