Why does my subwoofer sound bad when I put the volume up?

  • Thread starter Thread starter sparky3489
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sparky3489

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You could have the wrong enclosure for the subs and/or you don't have the gain set right.

The purpose of the gain is to match the signal volts RMS coming from the source (CD player, etc.) to the input of the amp for correct power matching and to prevent clipping (damage by over powering).

Here is a guide that will help you set the gain correctly http://www.box.net/shared/uchv4dbk88

You'll need a multi-meter (AC voltmeter, $15 from Radio$hack), Microsoft Excel and a way to burn an audio CD from an MP3.

If you don't have Excel, use this link http://www.box.net/shared/nkkw1dhk4g

See my site for more info http://spkrbox1.spaces.live.com
 
I have a Sony XPLOD 1000watt amp. I have two 12" subwoofer in an enclosure in the trunk. It sounds very good when I have the volume of the music at a normal level. When I put it passed 30 (It goes all the way to 50) it starts sounding bad. I can't feel the bass anymore. The sound is all distortioned. My friend has a subwoofer just like mine but a little older. I tried connecting my amp to his car to see if it was the amp. But his sounded so much better and louder than mine.
 
It could possibly be the subs, what kind of subs do you have in the trunk and depending on the rating. They possibly could not be getting enough power to bump, they could be getting more power to bump. It's good to have just a little be more than needed power, but just be carefull not to blow any thing. There could also be some sort of wiring problem maybe something gets lose due to the bang in the trunk, could rattle something lose.
 
No offense at al, but its possible it is just not a good amp, may i recommenced a rockford fosgate amp, it may also just be the subwoofers cant handle it. The last possible problem could be if you cheaped out when it came to wiring. If you got 10 gauge or something small running to the amp, or running a high gauge back to the amp and small gauge ground form the amp. Always try and keep a high gauge all the way through the system, the electron flow will be more even and faster than a smaller wire. Also you should also have a good sized speaker wire as well to subwoofer. A number of things can make it sounds "bad".
 
No offense at al, but its possible it is just not a good amp, may i recommenced a rockford fosgate amp, it may also just be the subwoofers cant handle it. The last possible problem could be if you cheaped out when it came to wiring. If you got 10 gauge or something small running to the amp, or running a high gauge back to the amp and small gauge ground form the amp. Always try and keep a high gauge all the way through the system, the electron flow will be more even and faster than a smaller wire. Also you should also have a good sized speaker wire as well to subwoofer. A number of things can make it sounds "bad".
 
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