I got my system finally finished, and with the line out converters off the factory amps, they overload my Phoenix amps after a certain volume, listening time period. I had the line outs turned down a considerable amount, and it seriously helped the issue, but it still shut down the sub last night. Anyone have any clue what the best place to set the line out voltages is to get max volume control from the factory head unit without shutting down the amps? Thanks!

Matt

 

YOu should take your rear 6.5 rear speakers wires to hook up to your LOC then to your aftmkt amp. Many of us here has great success with this. HOpe this helps!!

 

So go to the amp after the LOC? I think that is how it is, but the installer said something about the factory amps getting the after market amps overloaded if I turned the volume up too high...

 

I am assumming you are currently running your OEM amp to your OEM speakers so no changer there correct. If so, all you have to do is to take your LOC and tap of one of the rear OEM speakers to your LOC. Then the other side of the LOC will be RCA plugs which will be going to your aft mkt amp. So what you want is to take the best signal possible to your aft mkt amp since our TL does not have any Pre-amp output. THerefore, a LOC is needed to convert the signal from your rear speakers to RCA outs to your aftmkt amp. I hope this makes sense. Goodluck!!

 

2low4u,
This is a very good example of why you need to get rid of the hi-lo converter when you don't need it. Also ed99 is incorrect. the Head unit does output preamp outputs. You can tap into it at the factory amp, or from the back of the head unit. Out of the back of the audio unit to the factory amp, the sub input wires are red with blue stripe for + and white with green stripe for -.

 

ED, Rick, thanks guys, no I am using two amps, one for the sub, and one four channel for the main four, and the center runs off the stock amp... I wanted to boost the volume considerably so it didn't sound ghetto, the 12W7 has a shiz load of bass, and the stock ampos weren't gonna cut it. I have the OEM-1 LOC, which are adjustable. I had them all the way up to lower noise with less gain volume, but that was causing the amps to overload at high volumes, probably from an insane voltage level. I turned the bass LOC to about 55% and the main speakers are at about 25%, and it hasn't shut down. I am still going to tweek them. My best friend is a stereo installer, and he told me what I already figured out, and to set the LOCs at the lowest point to minimize overloading the amps, and just run the gains about 80-90%. Since there is no altenator noise setting it that way, I guess that is the way it will have to be.

 

I tried this way and also tried tapping into the subwoofers signal as well. When using the rear speaker signals, I noticed that not only was the signal too weak (gains up with little bass) but also that the bass signal given to these were different from the subs. I sounds almost as if these speakers play bass at different times to compliment the subs output. This makes sense seeing that this is a 5.1 system.

When using the subwoofers signal, my amp was chipping out every few seconds but sounded good before doing so. Turning the gains down on the amp and the bass/subwoofer level down on the factory unit helped but didnt stop the issue.

Anyone know why this is?