Setting gain by ear

[stophatin 10+ year member]

how will i know if my sub is distorting though, i've never even tried to find out .

it will styart to sound like shit

then back off a bit and ull be fine!

 

[Rashaddd 5,000+ posts]

how will i know if my sub is distorting though, i've never even tried to find out .

can you please stop trying and go just get all your stuff done at a reputable car audio shop, I don't think I've ever seen you post anything with any logical reasoning behind it or relevance. Everytime I read one of your posts I lose a little more of what small amount of faith I have left in humanity.

 

[endofdays89 5,000+ posts]

can you please stop trying and go just get all your stuff done at a reputable car audio shop, I don't think I've ever seen you post anything with any logical reasoning behind it or relevance. Everytime I read one of your posts I lose a little more of what small amount of faith I have left in humanity.

well, this stuff is confusing sometimes. Usually an amp doesnt have to be set to 3/4 gain to start hitting. But for some **** reason, a new problem arises every week.

 

[king ranch 5,000+ posts]

maybe its the box or not good enough electrical to support the amp

maybe because u r running a kenwood that cant give enough power to the subs

 

[TurdFergueson2 5,000+ posts]

can you please stop trying and go just get all your stuff done at a reputable car audio shop, I don't think I've ever seen you post anything with any logical reasoning behind it or relevance. Everytime I read one of your posts I lose a little more of what small amount of faith I have left in humanity.

Thank you Rashaddd for saying what needed to be said............

Stop tring to get it perfect. Get it how you like it and crash into a tree.

 

[endofdays89 5,000+ posts]

maybe its the box or not good enough electrical to support the ampmaybe because u r running a kenwood that cant give enough power to the subs

at half gain, the sub doesn't even move. I am serious. The box is tuned to 31 hertz.

The kenwood amp is cea rated 900 rms.

 

[TurdFergueson2 5,000+ posts]

maybe its the box or not good enough electrical to support the ampmaybe because u r running a kenwood that cant give enough power to the subs

Ranch sell him the Xplod amp. It might do wonders like it did for you.

 

[Rashaddd 5,000+ posts]

well, this stuff is confusing sometimes. Usually an amp doesnt have to be set to 3/4 gain to start hitting. But for some **** reason, a new problem arises every week.

maybe its the box or not good enough electrical to support the ampmaybe because u r running a kenwood that cant give enough power to the subs

Jesus christ, you too king ranch, but I suspect you already know you're a moron.

Where you set your gains has absolutely NOTHING to do with the amp. Gain setting is matching the amplifier's input sensitivity, to the input it's receiving from the headunit, or whatever else you have the RCA's running through in between.

If you have to put your gains all the way up, all the means is you have very low preout voltage, or you're just clipping the fcuk out of the signal in order to make it artificially louder because your amp isn't powerful enough to begin with.

 

[SQL4Life 10+ year member]

get something that puts out higher voltage on the preouts

preouts are 4 volts on my end

 

[endofdays89 5,000+ posts]

Jesus christ, you too king ranch, but I suspect you already know you're a moron.
Where you set your gains has absolutely NOTHING to do with the amp. Gain setting is matching the amplifier's input sensitivity, to the input it's receiving from the headunit, or whatever else you have the RCA's running through in between.

no shite, i know this. If i set my gains to 2.2 volts on my sub amp it can't even be heard even at a 2 ohm load. If i set my gains to the pre out voltage of my head unit, my sub is useless.

 

[king ranch 5,000+ posts]

well u r only giving each sub 450rms per sub isnt that half of wat they can handle

 

[endofdays89 5,000+ posts]

i am only running one type r right now until i get my other box finished. But anyway, it is getting a full 900 watts rms at 2 ohms. The type r is only rated at 500 rms, so that should get pretty loud, but for some reason, the **** subwoofer is barely noticable.

 

[SQL4Life 10+ year member]

the way i understand setting up gains was you use a dmm along with whatever equation it was to get how many watts u wanted going to the amp with the gain.

 

[Rashaddd 5,000+ posts]

no shite, i know this. If i set my gains to 2.2 volts on my sub amp it can't even be heard even at a 2 ohm load. If i set my gains to the pre out voltage of my head unit, my sub is useless.

Don't go based on what your headunit's stated preout voltage is...see for yourself. Or...just turn your gains up until it gets as loud as it can without clipping...If you truly can do that with your gains all the way up...you're probably getting no more than .5v max out of your HU's preouts, despite what it says.

You can use a dmm on your preouts the same way you would on an amp //content.invisioncic.com/y282845/emoticons/fyi.gif.9f1f679348da7204ce960cfc74bca8e0.gif

 

[endofdays89 5,000+ posts]

honestly, i have no idea how to use a dmm that well. I do have them sitting around the house though