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-   -   Bass blockers? (http://www.the370z.com/audio-video/39300-bass-blockers.html)

Synack 07-08-2011 08:53 PM

Bass blockers?
 
Ok so I'm on my the final stretch of my perfect setup. The last thing I need to do is get rid of the NASTY distortion coming from my component tweeters. I have Polk DB6501 components. Going through the actual crossover it seems to have made the tweeters higher and louder but they still receive a lot of unwanted bass.

I have a bazooka tube in the back that gives me my bass but I have to crank up the bass on the headunit so it'll give the sub and my 6.5" speakers some more bass. If I were to completely eliminate my tweeters then I would have the perfect amount of bass at the current settings I have my system at but the tweeters just keep receiving bass and I can't figure out how to nearly completely eliminate all bass going to them.

I even went to Radio Shack to buy and install a 4.7uF capacitor on each tweeter on TOP of the crossover for each tweeter. I'm still getting a lot of unwanted bass. Any suggestions?

90 ST 07-08-2011 10:28 PM

check if there is a DB setting on the x-over for the tweeter out put, also check that your deck didn't turn on it's eq when it got powered back up.
of course make sure you hooked the speakers up to the x-over right.

Synack 07-08-2011 10:39 PM

Quote:

Originally Posted by 90 ST (Post 1209989)
check if there is a DB setting on the x-over for the tweeter out put, also check that your deck didn't turn on it's eq when it got powered back up.
of course make sure you hooked the speakers up to the x-over right.

Firstly, yes there is a dB setting on the crossover. -3,0,+3.
Second, what on earth do you mean by checking to see if my deck didn't turn on it's EQ when it got powered back up? I use the EQ on my deck to do everything...

90 ST 07-08-2011 10:45 PM

some decks, when you reconnect power will default some stupid eq setting.
Try setting the x-over to -3, you shouldn't have bass from the tweeters, normally they(x-over) are built to be, around 3.5k to 4k HP for the tweeters.

Synack 07-08-2011 10:51 PM

Quote:

Originally Posted by 90 ST (Post 1210002)
some decks, when you reconnect power will default some stupid eq setting.
Try setting the x-over to -3, you shouldn't have bass from the tweeters, normally they(x-over) are built to be, around 3.5k to 4k HP for the tweeters.

I've had them at -3. I also have the Bass on the head unit set to +6 which increases the bass over the whole system, including the tweeters. The 6.5" speakers in the front can handle that perfectly and the sub as well. But the tweeters just distort like crazy and it sounds horrible.

90 ST 07-08-2011 10:57 PM

turn the bass on the HU back to 0, and adjust the sub amp for more bass. Is the hu running the fronts, or is there an amp on them too?

90 ST 07-08-2011 10:57 PM

also double check the polarity on the tweeters.

Synack 07-08-2011 10:59 PM

Quote:

Originally Posted by 90 ST (Post 1210012)
also double check the polarity on the tweeters.

uhhh?

Synack 07-08-2011 11:00 PM

Quote:

Originally Posted by 90 ST (Post 1210011)
turn the bass on the HU back to 0, and adjust the sub amp for more bass. Is the hu running the fronts, or is there an amp on them too?

It's a small sub, so I need that extra bass that the HU is pushing out (from the +6 bass level) to get what I want.

90 ST 07-08-2011 11:00 PM

Quote:

Originally Posted by Synack (Post 1210019)
uhhh?

if some how you wired them out of phase from each other they will sound like ***.

Synack 07-08-2011 11:08 PM

Quote:

Originally Posted by 90 ST (Post 1210022)
if some how you wired them out of phase from each other they will sound like ***.

i dont know how that works but theyre both connected to their own crossovers and those are connected to the HU.

90 ST 07-08-2011 11:12 PM

just make sure all the + conected to + and the - to the -.

Synack 07-08-2011 11:49 PM

Quote:

Originally Posted by 90 ST (Post 1210041)
just make sure all the + conected to + and the - to the -.

Well yeah thats all good. Its just that there is some sort of bass or something is going to the tweeters once its gets louder. Idk, maybe the tweeters are just garbage and can't handle the signal.

bigaudiofanat 07-09-2011 12:33 AM

Sounds like you either have your woofer and tweeter wires crossed coming out of the crossovers. Or you have blown your tweeters by distorting them to much. If your thinking your getting "bass" at higher volumes and everything checkes out and you did not run the speakers threw a factory bose amp "not a good idea" and you ran new speaker wires to the crossovers and to the woofers and tweeters my call is on blown tweeters.

To add to this, I have never heard of needing additional filters if the right crossover was used.

Synack 07-09-2011 01:16 PM

Quote:

Originally Posted by bigaudiofanat (Post 1210111)
Sounds like you either have your woofer and tweeter wires crossed coming out of the crossovers. Or you have blown your tweeters by distorting them to much. If your thinking your getting "bass" at higher volumes and everything checkes out and you did not run the speakers threw a factory bose amp "not a good idea" and you ran new speaker wires to the crossovers and to the woofers and tweeters my call is on blown tweeters.

To add to this, I have never heard of needing additional filters if the right crossover was used.

Sounds like I need some new tweeters. Any suggestions on some that will handle bass/distortion like a champ? I know that's a ridiculous thing to ask for but have you come across anything that will do that better than my current tweeters?

To add to this, I have a NISMO so there is no Bose amp. I had the base system. So wasn't there just no amp at all?

90 ST 07-09-2011 05:25 PM

it sounds to me like you need a new comp set, the tweeters should not be getting bass like that if the x-over was working right.

Synack 07-09-2011 06:53 PM

Quote:

Originally Posted by 90 ST (Post 1210697)
it sounds to me like you need a new comp set, the tweeters should not be getting bass like that if the x-over was working right.

You'd figure at least one of them were working right. It's only a problem once I crank the volume up and it starts to get loud. Then it just distorts and sounds like garbage. They're fine at mid level and low volume with full bass on. Might be a tweeter quality issue? Or possibly the HU?

90 ST 07-10-2011 04:36 PM

i would double check all the connections, no one else with that set on here is having the same problems, amp or no amp.

Synack 07-10-2011 05:19 PM

Quote:

Originally Posted by 90 ST (Post 1211359)
i would double check all the connections, no one else with that set on here is having the same problems, amp or no amp.

Is there an amp inbetween the harness that attaches to the HU and the speakers on a BASE radio?

90 ST 07-11-2011 01:37 AM

not that i'm aware, but we don't have a base radio option in Canada so i haven't played with one. If you haven't already, i would run your own wire.

Synack 07-11-2011 11:44 AM

Quote:

Originally Posted by 90 ST (Post 1211730)
not that i'm aware, but we don't have a base radio option in Canada so i haven't played with one. If you haven't already, i would run your own wire.

I heard it was a major pain in the a$$ to try and run wires from aftermarket headunits through the dash. I don't even know where to begin to put my hands and fingers to make that happen.

90 ST 07-11-2011 12:02 PM

sorry are you running the stock HU still?
also it's not to bad to run new wire, and should be done. check out the vids in the sticky section.

Pelican170 07-11-2011 01:35 PM

Is there a real crossover you could buy that can control the Hz and what is output, like how a real crossover works? This way you could set it to have "x" hz going to the speakers and the rest output to the sub... maybe that would be on an amp...

Synack 07-11-2011 01:47 PM

Quote:

Originally Posted by Pelican170 (Post 1212399)
Is there a real crossover you could buy that can control the Hz and what is output, like how a real crossover works? This way you could set it to have "x" hz going to the speakers and the rest output to the sub... maybe that would be on an amp...

This setting is sort of on my HU. It gives me the option to send everything under either "Low, Mid, High" Hz settings to the sub. All that did really was give more frquencies to the sub. The speakers started to put out less sound and overall it sounded horrible. So I just put it back to "Low". I think I'll just upgrade Tweeters, shouldn't that at least "help" the problem? If the loudest I listen to my music is 30 and the tweeters start to fudge up at low 20's, don't you think by upgrading to much better tweeters will allow me to run higher volume numbers like towards upper 20's or even 30?

EDIT - Found out that it really is the tweeters. I was on Crutchfield and other websites and I noticed some people complaining about the distortion of the tweeters at higher volume. So can anyone recommend me some tweeters that can handle a very high volume? Just to be safe.

Pelican170 07-11-2011 02:16 PM

Quote:

Originally Posted by Synack (Post 1212424)
This setting is sort of on my HU. It gives me the option to send everything under either "Low, Mid, High" Hz settings to the sub. All that did really was give more frquencies to the sub. The speakers started to put out less sound and overall it sounded horrible. So I just put it back to "Low". I think I'll just upgrade Tweeters, shouldn't that at least "help" the problem? If the loudest I listen to my music is 30 and the tweeters start to fudge up at low 20's, don't you think by upgrading to much better tweeters will allow me to run higher volume numbers like towards upper 20's or even 30?

Hmmnn, well that "low, mid, high" seems kinda crappy in general. Now, with speakers and sound, Low Hz, is more bass and the higher the Hz, less bass present. But that may not be what your HU is doing because its a manufacturer HU, correct? To me, thats the main problem and I would upgrade that, but again, im assuming its the head unit with Nav? so you dont wanna do that.

The other problem you may find, is that if you get better tweeters, they most likely will accept higher watts. This in turn means they are going to be underpowered from the HU if you aren't running an amp to them. This could lead to them not sounding as "loud" as you may want them.

Another issue with distortion, is that a lot of the time it is actually the power source that is sending the distortion and not necessarily the speakers but its hard to tell at first without check-listing the problems...

Sorry if I have made confusion for you but these are the things that I have seen in the past. If it were me, I suppose I would start by upgrading the tweeters and seeing how that sounds to you. If its still not to your liking, then I would opt to get an amp to power the speakers. This way you should be able get one that has crossover frequency controls as well...

Synack 07-11-2011 02:18 PM

Quote:

Originally Posted by Pelican170 (Post 1212475)
Hmmnn, well that "low, mid, high" seems kinda crappy in general. Now, with speakers and sound, Low Hz, is more bass and the higher the Hz, less bass present. But that may not be what your HU is doing because its a manufacturer HU, correct? To me, thats the main problem and I would upgrade that, but again, im assuming its the head unit with Nav? so you dont wanna do that.

The other problem you may find, is that if you get better tweeters, they most likely will accept higher watts. This in turn means they are going to be underpowered from the HU if you aren't running an amp to them. This could lead to them not sounding as "loud" as you may want them.

Another issue with distortion, is that a lot of the time it is actually the power source that is sending the distortion and not necessarily the speakers.

Sorry if I have made confusion for you but these are the things that I have seen in the past. If it were me, I suppose I would start by upgrading the tweeters and seeing how that sounds to you. If its still not to your liking, then I would opt to get an amp to power the speakers. This way you should be able get one that has crossover frequency controls as well...

Guys I have this aftermarket head unit. I could've sworn I've said this already.
JVC KW-XR610 CD receiver at Crutchfield.com

Does anyone recommend some really good high quality, bang for the buck tweeters?

Pelican170 07-11-2011 02:39 PM

Quote:

Originally Posted by Synack (Post 1212479)
Guys I have this aftermarket head unit. I could've sworn I've said this already.
JVC KW-XR610 CD receiver at Crutchfield.com

Does anyone recommend some really good high quality, bang for the buck tweeters?

Sorry man, missed the part about the HU...

Synack 07-11-2011 02:46 PM

Quote:

Originally Posted by Pelican170 (Post 1212516)
Sorry man, missed the part about the HU...

Reading back I didn't see anywhere where I said I had that HU lol. I've had a few audio threads recently where I stated what HU I had.

Pelican170 07-11-2011 02:56 PM

Quote:

Originally Posted by Synack (Post 1212528)
Reading back I didn't see anywhere where I said I had that HU lol. I've had a few audio threads recently where I stated what HU I had.

hahah... as far as the speakers go, i havent been involved with whats current, so i'm not the best person to give info for that part of the convo.. good luck!

Synack 07-11-2011 03:05 PM

Well, did a good bit of Googling and came across these bad boys. Bought em.

WoofersEtc.com - XS-28 - Image Dynamics 28mm Silk Dome Tweeters (Pair)

Check out the frequency range! Incredible!

vividracing 07-11-2011 03:33 PM

Quote:

Originally Posted by Synack (Post 1212220)
I heard it was a major pain in the a$$ to try and run wires from aftermarket headunits through the dash. I don't even know where to begin to put my hands and fingers to make that happen.

It's actually really easy. I always run new wires instead of using OEM wires when doing components. The hard part is at the door, but even that is easy on some cars. Z's aren't TERRIBLE.


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