Monday, September 9, 2013

how to set up 31 band eq for car audio?

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oct1285


I have a jbl ms8 installed in my car (g37 sedan) and it comes with a 31 band eq and I have no idea where to begin with tuning it. I've googled but come up with nothing as far as a basic tutorial. So how do I set up the eq for mostly hip hop?


Answer
This is one very complex machine. It will take you some time to read and fully understand the manual and what to do with the unit. If you have the patience for this, great, otherwise you will either need someone else to tune it for you, which still is not going to teach you how to use it, so YOU can use it.
Complex wiring.

Either spend many long hours reading and understanding all the terminology, or return and get yourself something analog, like this, for example
The one I like a lot is the tiny one made by Kenwood. I'll give you a link. It's expensive, but once you get it in, you will see that it's worth every penny
http://www.amazon.com/Kenwood-Kgc-4042A-Compact-Graphic-Equalizer/dp/B0002CNPP8

Get info about it here:

http://www.crutchfield.com/S-LoyErHYBCAy/p_1134042A/Kenwood-KGC-4042A.html#customer-reviews-tab

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If you have room to install 1/2 din 7" eq, consider SSL S4EQ
I've had this at home for several years. Still working fine. Very nice unit, even if it's not expensive

http://www.amazon.com/Sound-Storm-Laboratories-S4EQ-Equalizer/dp/B000O50VEQ

What Type Of Car Amp Do I Need? How Many Channels Do I Need?




Anthony


I have a 2000 corolla that has two door speakers and i'm putting in two more sony speakers that require an amp + im putting in a sub.


Answer
You will need to upgrade your current door speakers. I suggest you use Polk Audio MM series. They come with separate tweeters that you want to install in the left and right corner of your windshield, facing up.

I presume you will place your sub in the trunk. In this case you will need about 300 rms watt of power.
In this case you need a 5 channel amp. Channels 1 and 2 are for your door speakers and the tweeters.
Channels 3 and 4 are for your new speakers (probably in the back) (Consider Pioneer Series D. Only these one from Pioneer sound good. All others from Pioneer sound ok.)

For your amp, look at JL Audio, Rockford, Kenwood. They give you performance as advertised in their tech sheets. Most other companies over-state/exaggerate/lie about their performance and you really have no idea how little you are getting.

On the off chance that you will install a sub on the backseat, behind the driver seat (nobody uses this space anyway) and you can fasten your sub with your seatbelt and take it off into the trunk if you have more passengers. In this case you can get by with a 4 channel amp. Here is how.

Channels 1 and 2 power your front door speakers and tweeters.

Channel 3 plays only the left channel (main) of your stereo and powers both rear speakers. (Speakers in the front will provide clear stereo separation. You will not be missing any stereo separation if the rear provides you with only left channel (the main channel in stereo.)

Connect to channel 4 input for your sub. Get 4 ohm DVC (dual voice coil) sub and wire those coils in parallel to your channel 4 speaker out. Inside the car you will not need nearly as much power as you need when the sub is inside the trunk. Even 100-150 rms watt inside the cabin sound overpowering.

I suggest you get the small, tiny Kenwood equalizer to connect it directly to you line out for left and right channel from the head unit. The eq will then feed your amp all the needed input. It's so small you can put it in the glove compartment. But if you have 7" of space, you can get SSL S4EQ. It's much cheaper and works great.

Don't ask sales people or installers about eq. They all hate them. One small and inexpensive eq allows people to adjust their system to their liking any which way. This, of course, kills sales and kills orders for installation. That's why you will not find any eq sold at retail store, because they kill sales of other parts.

Last, your amp will come with a remote (power) on wire. Put on this wire a small on/off switch and hide the switch. This will do three things.

First, occasionally electrical system in the car may leak some current even after you remove the key from ignition. This will be enough to keep your amp powered on until you come back next day and find you battery dead and amp warm.

Second. When you are not listening to music, why draw power into the amp all the time. Turn that switch on only when you play music. It will improve your gas mileage.

Third, the switch will prevent unauthorized fools from playing with your system. Every time you leave your car, valet parking, mechanic, car wash, etc. people just love to see what you've got. They are not supposed to do this, but in reality they do. This is just a small way to prevent someone from playing with your system.

I gave you more than you asked, but I believe you will benefit from this info.




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