i finally got my sub and amp installed, but i need my amp tuned now. can anyone give me some advice on tuning this amp? the sub is in a 1.2ft^3 sealed box. thanks for the help. im getting a slapping noise right now even on like medium volume.

thanks in advance

 

http://mobile.jlaudio.com/support_pages.php?page_id=143

 

hmm, unfortunately, i dont have either of those items. i saw that last night. thanks tho

 

the test tones are free. go to harbor and frieght buy a cheap multimeter for like 10 bucks. if i find were i got my test tones ill post it up...try check caraudio.com/forums and check the amplifier section

 

thanks, greatly apreciated

 

You can use the multimeter method, or just to tide you over, put in a 50Hz test tone, turn the HU up to 3/4 volume (or until you begin to hear distortion), back the head unit down one notch at a time til distortion disappears, and then turn up the gain on the amp until you reach the desired subwoofer level.

The DMM method is just to ensure you're getting ALL the amp has to offer on tap.

 

do you mean sub distortion? or speaker distortion?
thanks.

 

Speaker. When your speakers distort, turn the volume down on the HU until it disappears, and then go to your amp and turn up (or down) the gain until the subwoofer volume level is right where you want it.

 

well, i tried playing the 50hz test note and i couldnt even get passed half volume lol. it was sooooo loud.

 

Haha, you mean the sub was too loud? If so, turn down the gain on the sub amp and try again. Just be thankful you aren't adjusting the front stage gains... I put a 1Khz tone through that in order to set it, talk about DEAFFF!

 

just set it by ear. boooo for the DMM method.

 

well i bought this multi meter from checker. http://www.partsamerica.com:80/Produ...goryCode=3389B

but i have no idea which setting to put it to.

 

where are you located?

 

scottsdale, az