SQ still not up to par.

[pickup1 5,000+ posts]

Is 1 of the woofers out of phase?

 

[cheebah 10+ year member]

if they are its not by much and I don't see where a phase shift could occur. The only possible phase shift would be a 180 due to improper polarity but that would cause almost complete cancellation. Maybe thats just how noise sounds on a sub because of its low frequencies

 

[SmartAsss 10+ year member]

if they are its not by much and I don't see where a phase shift could occur. The only possible phase shift would be a 180 due to improper polarity but that would cause almost complete cancellation. Maybe thats just how noise sounds on a sub because of its low frequencies

this is what I was talking about. electrical phase.. if you have one terminal wired wrong you will have cancellation.. not complete cancellation but it will have the effect you are describing..

 

[cheebah 10+ year member]

i understand what you are saying. I have wired two subs out of phase once by accident and there was nearly no sound. And of course a phase shift of less than 180 degrees will also cause issues. What I am saying is that I can't see where you could develop a phase shift of less than 180 degrees.

 

[SmartAsss 10+ year member]

Electrical and acoustic phase are two different things.

doesn't hurt to double check the wiring to be sure. you can probably spot it without having to remove the woofers, play low frequency track and observe the cone movement.

 

[Brian_smith06 10+ year member]

wonderful... absolutely wonderful. So get a smaller ported box then...thats the solution? I simply cannot not afford to buy a different pair of subs...this is getting way out of hand.

Welcome to car audio.

 

[SpeedEuphoria 10+ year member]

to me as you had this issue with the last setup also that you need to learn how to setup the gains. 1st thing turn the bass boost all the way down.

You may have a sub volume on your head unit, this needs to be all the way up. Then the volume needs to be up decently high(this will give you decent rca voltage)

then turn the gain up and it should sound clean

 

[Cruzer 10+ year member]

I'm definitely not a SPL guy. quite the opposite. I just facepalmed when I saw these posts.Cruser, im pretty sure your the same guy that is on diyma too... haven't you seen any of the posts that talk about this in much more detail..

The sub woofer is the least important speaker in the system, distortion is high in all large speakers, its just the physics of them. Manufactures can take steps to reduce the distortion but overall it just really does not equate to an audible difference so long as the sub is ran in within its specs and properly setup. Im just saying subs don't sound like sh**t, its the install that causes s**tty sound.

I apologize to the op, just trying to help you out.

I agree that every sub should sound good, and a crappy install will make them sound like crap.

But i dont believe companies go through all the trouble, money, and time to come up with low distortion motors and whatnot if it doesnt lower distortion enough to be worth all the work.

 

[cheebah 10+ year member]

Bass boost is 0db, sw volume is max and bass gain is pretty high. No improvement. I will be looking into a ported box. Thanks guys.

 

[Ge_off_me 5,000+ posts]

Bass boost is 0db, sw volume is max and bass gain is pretty high. No improvement. I will be looking into a ported box. Thanks guys.

Try to keep gains down =/

 

[Ge_off_me 5,000+ posts]

Bass boost is 0db, sw volume is max and bass gain is pretty high. No improvement. I will be looking into a ported box. Thanks guys.

Try to keep gains down =/

 

[SpeedEuphoria 10+ year member]

Bass boost is 0db, sw volume is max and bass gain is pretty high. No improvement. I will be looking into a ported box. Thanks guys.

whats the volume turned up to on the deck?? and whats the max??

 

[akheathen Premium Member]

Bass boost is 0db, sw volume is max and bass gain is pretty high. No improvement. I will be looking into a ported box. Thanks guys.

this....... your bass should always be set below even with everything else. i start with it all the way down, adjust everything else, and then turn it up, as needed. if your deck distorts from bass, it sends that same signal to the amp. for newb costomers/friends, i leave room in the adjustments for them to turn the bass up, though.

 

[Gatman 10+ year member]

the type r's shouldnt sound like pooo. it may be the box, the wires, the amp, and even the head unit. i usually get HU's with filters. High pass front, High pass rear, and low pass filters filter out sounds that dont belong to the specific speakers. so a new HU may help, but the amp and wires are more of a concern. walmart wires, junk. get stinger and or memphis wires. if you didnt want to spend much, dont spend at all. you get what you pay for, especially here in car audio. and if you want a good SQ, focal speakers have great bass, mids, and highs! you may only need good aftermarket speakers on a amp to power them!