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I need help on tuning my amp what level should the low pass and high pass be set at???? each **** has the same numbers going around them 82,140,180.............What's the best setting for an he2 sub???

 
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first, make sure your amp is using the low pass filters. look for a switch on the amp that has 3 positions (sometimes only 2, but anyways), LPF, FULL, and HPF. this switch tells the amp if it's powering a sub or in cabin speaker basically. set this switch to LPF.

now its time for the ****. this controls at what notes the sub will receive. i would set this at around 120, listen to it for awhile, and see how the higher bass sounds sound coming from it. then lower it as needed. sealed enclosures tend to have a more even response than ported, but this is really an issue of preference. personally mine is set at 80Hz for a sealed sub.

 
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I like it lower. I prefer around 65 hz ....

 
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Thanx so much......But which **** should I adjust the amp has a low pass **** and a high pass ****??? Or if /When I put the amp on LPF will the lowpass **** be the only one to adjust?? Right now I think it is on full but the low pass **** doesn't seem to tweak anything , only the high pass **** seems to change the pitch>.. Is there any general setting for specific speakers , such as a rockford he2??? I appreciate all the info , you've already helped a lot. I'm going for lower bass, How do the #'s work, higher # = lower bass or vise versa? I feel like a dumb a$$

 
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Higher the number the higher the freq of the bass. Lower the number the lower the freq of the bass. When you put on the LPF, the lowpass is the only one you need to tweak. You should notice a big difference.

Tell us what equipment you have too ..... makes and model numbers.

 
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20 Hz is the lowest theoretically you can hear, so smaller # = lower

tweeking the **** does nothing to the sound you hear. it controls WHAT sounds you will hear.

 
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Thank you it's starting to make much more sense.

 
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Ok, this amp is a Planet Audio amp, There is one more **** on the amp which makes a big difference in the sound, It is located right next to the gain and it has 0.1v on the left and 7v on the right, What the hell is this **** for , when I set it to .1v it is hitting hard but on some notes it bottoms out and vise versa. what is this affecting???

 
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If I could reach over and slap you I would ....... So you have a Planet Audio amp .... that tells me nothing. What amp make and model and what subs make and model. Thats what I was looking for.

All amps have a gain ****, usually 0.2 or 0.5 volts or so to anywhere from 2.0, 4.0, or 5.0 volts. For you it is 0.1 to 7.0 This is used to match the volume of the amp to the volume controls on the HU.

To set the gains:
* Turn all amps off.
* Turn up the HU until distortion from the HU starts.
* This is the new max HU volume, a majic number so to speak.
* Turn on amp by amp and up the gain until distortion starts.
* Once all amps are set like this ALL speakers in the system will start to distort at the same time, which is the max volume you just found.
* Now you can balance the system by turning gains DOWN.

Also as long as you have subs and amplified highs, you should have the bass at 0, and no bass boosts on, the eq flat, etc. You should easily be able to drive the rears to almost full volume off deck power without barely any distortion at all. Even w/ my fronts amped and my rears deck powered, to keep the rears from being too loud, I am faded almost +9 to the front.

The other ***** can be the crossover. This sets what freqs the sub plays. It will usually go from 45hz to 125hz. Basically the sub will play from that freq and down. The lower the number the lower the bass will sound.

 
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thanx man, I'm kind of new to the audion systems. My sub is an rockford he2 and I'll get the model # off the amp