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Old 01-24-2013, 12:12 PM #190
Supra_MKIII
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Also this crossover is generating a ton of noise, and I'm struggling to figure out if I should ground the RCAs or get an inline power filter.

It's not alternator whine, though, it's weird noise that is dependent on the other **** going on. Like if I turn my blinker on, as it goes on and off the noise changes with it. That's making me think I need a power filter. Y/N?
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Old 01-24-2013, 12:21 PM #191
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noob question here. So I am installing new 6x9 speakers in back of my van, and the speaker works when I contact the negative and positive wires to the speaker when the ignition is on, but it does not work when I turn the keys to off and back on. Do I have to have both speakers installed to have it work?


EDIT: Nevermind, thought green was always ground. Found correct wiring diagram.
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Old 01-24-2013, 02:28 PM #192
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Quote:
Originally Posted by Supra_MKIII View Post
Also this crossover is generating a ton of noise, and I'm struggling to figure out if I should ground the RCAs or get an inline power filter.

It's not alternator whine, though, it's weird noise that is dependent on the other **** going on. Like if I turn my blinker on, as it goes on and off the noise changes with it. That's making me think I need a power filter. Y/N?
Just a thought, since I've done this to rid problems:
Run a ground for your headunit back to where your amps and crossover get their ground.
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Old 01-24-2013, 03:20 PM #193
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If it was a problem with that, wouldn't it have shown its face without the crossover?

I only ask because it is a total ***** to get my head unit out of my dash.
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Old 01-24-2013, 04:58 PM #194
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Originally Posted by Supra_MKIII View Post
Oh. Did you pull the speaker out and test it?

Maybe that's a sign that it's time for some components
I don't have a DMM, but I did swap the two speakers. The "good" speaker still works in the "bad" spot, and the "bad" speaker still doesn't work in the "good" spot. Has to be a faulty speaker.
Also, I plan on buying some components in the future, just don't have the money for some decent ones along with installation materials yet. (I would need to do a lot to the install spot in order to justify components, since they're dash speakers)


As far as your noise issue, do you have any wire (such as RCA's) coiled up behind your dash?

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Old 01-24-2013, 05:46 PM #195
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I have slack between crossover and the amps, and I'm pretty sure I'm using unshielded RCAs. But it's a terrible, loud noise. I'll try to get a video tomorrow if I remember to. It sounds like when you're playing the radio and you lose reception, except it only happens to certain speakers and only sometimes. Oddly, changing settings on the crossover can also sometimes reduce or add to the noise.
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Old 01-24-2013, 07:31 PM #196
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If the crossover is mounted near a source of noise (under the dash, for example), or you have coiled RCAs near a source of noise, then you can get very sporadic noise depending on what is going on under your dash at any given time
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Old 01-24-2013, 07:40 PM #197
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RCAs in the dash aren't an issue. I haven't had any noise before, not without the crossover, and I didn't touch the RCAs or anything else under the dash when I installed the crossover, since I already had them running back to my trunk.
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Old 01-24-2013, 07:45 PM #198
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Sounds to me like your crossover is picking up noise from something mounted near it. If that's the case, then I doubt grounding your RCAs will do much. Might try moving it to a different location and seeing if you still have the noise. If you do, you might be having some issues with the crossover itself. Might also check and make sure you have everything grounded nicely
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Old 01-25-2013, 08:46 PM #199
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Quote:
Originally Posted by Supra_MKIII View Post
If it was a problem with that, wouldn't it have shown its face without the crossover?

I only ask because it is a total ***** to get my head unit out of my dash.
Quote:
Originally Posted by Supra_MKIII View Post
I have slack between crossover and the amps, and I'm pretty sure I'm using unshielded RCAs. But it's a terrible, loud noise. I'll try to get a video tomorrow if I remember to. It sounds like when you're playing the radio and you lose reception, except it only happens to certain speakers and only sometimes. Oddly, changing settings on the crossover can also sometimes reduce or add to the noise.
Quote:
Originally Posted by Supra_MKIII View Post
RCAs in the dash aren't an issue. I haven't had any noise before, not without the crossover, and I didn't touch the RCAs or anything else under the dash when I installed the crossover, since I already had them running back to my trunk.
You never know, 12v **** is weird sometimes. But also, is the amp or crossover mounted to metal? I had an amp cause weird ground noise because it was screwed to the metal floor.

I'd still run a headunit ground to the back, and possibly try grounding the RCA's like you have to do on the Pioneer headunits with the ****ty pico fuses.
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Old 01-25-2013, 10:23 PM #200
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Think i sold my DC. Not is it to computer parts or 8"s that the money goes...? hm..
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Old 01-25-2013, 10:30 PM #201
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I need a cheap 4 channel
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Old 01-26-2013, 01:07 AM #202
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Buy my apsm1500. Wire all speakers in parallel. Make a fire to keep yourself warm one winter night.


Yep, sounds like a plan. You should go for it.
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Old 01-26-2013, 01:08 AM #203
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Series? What're you, some kinda *****?

Edit: Oh you bastard, I saw that.
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Old 01-27-2013, 12:19 AM #204
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Hey guys, I'm here looking for some general help when it comes to Car Audio. I know the bare bones basics, like how you need an amp to power the sub, etc but I could really use some general help on what brands, sizes, etc I should try to pick up. I listen to everything, but mainly Metal, Rap and Dubstep. I love heavy hitting bass, but I also would like a bit of tightness in my sound as well. I don't have my car yet but I'm planning on getting a Civic or Accord (first car), and I have a fairly large budget, so lets say around $500 and under? What I was thinking about getting was a performance ten and a ported enclosure, but I'm not really even sure about that. Besides that I have no idea what brands/models I should pick up or what type of amp either. If anyone's willing to help me out, a post in here or a PM would be much appreciated! Thanks so much and have a good one
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Old 01-27-2013, 03:26 AM #205
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$500 for sub(s), amplifier, and all installation? Or $500 for sub(s) alone?

Do you want more Sound Quality oriented, or just pure loudness?

How much space do you have available?

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Old 01-27-2013, 01:08 PM #206
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$500 for sub(s), amplifier, and all installation? Or $500 for sub(s) alone?

Do you want more Sound Quality oriented, or just pure loudness?

How much space do you have available?
$500 altogether, although I have quite a bit saved so if I would need more that would be alright. Sound quality is more important than just pure loudness, but I still want to be able to feel it hit . Space wise I'm not quite sure (haven't gotten the car yet) but it would be the trunk of a sedan, like an Accord, Civic, Camry, etc.
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Old 01-27-2013, 01:21 PM #207
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Assume you have to buy a $100 head unit because most cars won't have RCA outputs.

Then get a Sundown SA15, a good class D amp (Hifonics 1000.1?), and a proper ported box. Should put you right around that $500 point.
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Old 01-27-2013, 01:41 PM #208
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Wouldn't fifteens be a bit big for rock and metal? And If I decided to put a hundred more towards subs would the Sundowns still be the clear choice? Thank you for your help man I really appreciate it
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Old 01-27-2013, 01:48 PM #209
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Size of sub is not directly correlated with its use. SA makes good sounding subs that can get real loud if used properly.

If you were going to put another $100 towards subs, I would probably tell you to get two SA10s rather than the SA15.

Others in here may have different opinions.
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Old 01-27-2013, 03:59 PM #210
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SA10's are solid subs. If you want more SQ, I would go with an IDQ in a sealed box. It would give you punchy, tight bass, and have great SQ. Wouldn't be super loud, but you would definitely know it's there.
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