View Full Version : Getting my system installed Monday! Question about EQ..
xerais 12-02-2007, 07:29 AM Have Boston SX60's for the front doors, and putting the tweeters in the stock spots on the dash. SX95's are going in the rear. Having the front doors dynamatted, which should cut back on some of the vibration.
Have a ZX350.4 Kicker Amp to push the speakers, and a Infinity Basslink II for a little extra umph in the trunk.
All of this is being connected to my head unit through the JL Cleansweep.
Now, the only thing I am still considering is adding a small EQ to the setup, something that gets effectively tuned once and stays in the trunk with the amp/basslink. Does anyone have experience with this, or any suggestions on a decently priced Equilizer? Does it make a drastic difference?
RTexasF 12-02-2007, 07:52 AM Interesting concept, I hadn't considered that! You might want to consider dynamat sandwiched in the rear parcel shelf also.
If you go with an EQ I suggest you set it flat initially until all the speakers break in. After mine broke in, which took a while, I got my best sound with +5 forward and +1 on both bass & treble. Also opened the pass through behind the rear fold down armrest. Once that is all set to your liking you can tweak the EQ for fine tuning.
xerais 12-02-2007, 09:07 AM Good idea putting dynamat in the rear, will talk to the installation guys about that. If I should run the system without EQ for a while, I think I'll just wait on it. I'm sure adding an EQ later would be easy, since all the wiring will already be in the trunk.
Thanks for the advice!
RTexasF 12-02-2007, 11:03 AM Mention the possible future EQ to the installer 1. to make sure it will actually work and 2. so they can set things up for an easier install in the future.
The dynamat in the rear will stop it from buzzing at high volume levels, I'm glad I did it.
Since you're keeping the stock headunit you might want to consider the 3sixty.2 for an EQ.
Greg S 12-03-2007, 06:08 AM I'd say run it without an EQ at first and see if the shop doing the work for you has an RTA to see what the frequency response is. If not then putting in an EQ is pretty mucha waste of time because you need to know where you have to adjust before you can adjust it. If you do somehting like the 3sixty.2 thewn at least you are using something that is designed to EQ itself. Once you have the car measured for frequency response then you can decide if you even need an EQ and what time. Most of the time a small 5,7 or11 band graphic EQ does more harm than help and either a pair or 31-band graphic or a parametric EQ is what is really needed to make the respose correct. A lot of the problem is that unless you have taken a lot of time to make sure both speaker paths are of equal length and directionality at the driver's seat you have to EQ the left and right sides differently and this is where it can really start to get expensive if you are using 31-band graphic units. Witha parametric EQ you are still EQ both sides at the same time but you can adjust where the EQ points are and how wide of a bandwidth they are affecting so it can be calibrated for the response curve of the specific vehicle.
highthai 12-03-2007, 09:52 PM I thought the JL cleansweep 441 dsp already has a built in EQ? I'm confused...-__-
xerais 12-04-2007, 06:54 PM It has an eq that flattens the OEM signal, but you can't adjust it.
highthai 12-04-2007, 10:42 PM WTFFF oh my god that sucks...
Greg S 12-05-2007, 05:50 AM WTFFF oh my god that sucks...
No that's great.:banana:
It removes any of the manufacturer's equalizing that is hardwired for the factory speakers response curve and how they react in the car. Once you change any component of that, ie; speakers, add more power or a sub, it is no longer EQ'd correctly and most likely is hurting the set up. Starting with an absolutely flat response then lets you EQ, if needed, to the new response of the equipment that is in the car.
lebomb 12-17-2007, 10:39 AM No that's great.:banana:
It removes any of the manufacturer's equalizing that is hardwired for the factory speakers response curve and how they react in the car. Once you change any component of that, ie; speakers, add more power or a sub, it is no longer EQ'd correctly and most likely is hurting the set up. Starting with an absolutely flat response then lets you EQ, if needed, to the new response of the equipment that is in the car.
Mine sounds great by simply adding a sub and amp........ :dunno:
GigaS27 12-17-2007, 11:24 AM Mine sounds great by simply adding a sub and amp........ :dunno:
HAHA, i have to agree if you keep it at a decent volume, no more then 30 with SVC (08 Model) set to medium.
But i have to say, i heard systems that been setup properly and you can't compare it, but notice how i said properly. Pointless for you to spend money unless you spend it the right way...
xerais 12-18-2007, 07:10 PM Installation for cleansweep and speakers/amps/sub, and doors/rear dynamatted cost me over 600.00. Car was in the shop two days... I'm glad I didn't try to mess with it.
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