Blwnsmoke
Well-Known Member
- Thread starter
- #1
I just finished installing speakers in my car. I have 3 ways up front replacing the stock speakers, replaced the rears, added a JL sub, LCI-7i 6 channel convertor, JL Audio VX1000/5i to run everything.
I ran fresh wire from the tweeters to the crossovers in the trunk, used factory wires for the doors. Using the car audio sticky on here, I followed the wiring diagram and basically cut the speaker wires AFTER the amp (read that I had to do it after the amp as the amp is what controls the volume, not the radio). Once cut in the driver's side kick panel, ran all fresh wire to the trunk and connected everything to the crossovers. I tapped the front 6.5" speaker wires to feed the LCI-7i for the signal. Tapped the rear speakers for the rear signals and the LCI-7 is creating the sub signal on it's own.
So after all that, I'm getting a constant his from all speakers. I've searched and read several things. Bold is what I've read and my answer is after the bold.
1)Ground wire for LCI-7i isn't good. First I had that grounded to the amp and had the hiss. I then used it's own ground point and still have the hiss
2)The gains are either too high or too low. Doesn't matter what level I put the gains on the LCI-7i, it still hisses. I've swapped RCA cables around and still same issue.
3)Power wire of amp is not hooked directly to battery. So I hooked the power wire up to the side nut of the main battery cable. I saw on one post that this could cause "noise" and to hook it directly to the power cable. I have not done that yet.
4)Bad LCI-7 - Ordered another one just to eliminate that. Tried all 3 ground settings under the cover, no change.
5) Bad Amp - Backordered till May so can't exchange it yet.
6) Need to turn down gains on amp - I ordered a BT gain control which will be here tomorrow that hooks up to the amp. Also, this amp can hook directly up to my laptop or cell phone to customize all settings which I haven't learned how to do yet so this is still an option. Will contact JL Audio on Monday. Will also reach out to AudioControl Monday for support.
When I installed the rears, I don't recall hearing the hiss but it could have been there. I'm going to use the rears for the main input to the LCI-7i to see if I get the hiss and maybe it is the speaker tap from the 6.5s that is the issue. Will try this tomorrow.
If there is something that I'm not thinking of please let me know.
Which speakers should I be tapping into? 6.5s? 3.5s"? the tweeters? I used the 6.5s in the front as I mentioned earlier. I read that the rears do not give a full range of sound (may be using the wrong terminology).
The sound is amazing above 10 but anything in the 0 - 8 or so range, the hiss is driving me nuts. The hiss happens even at volume 0.
Thanks for anyone who suggests or can help out.
I ran fresh wire from the tweeters to the crossovers in the trunk, used factory wires for the doors. Using the car audio sticky on here, I followed the wiring diagram and basically cut the speaker wires AFTER the amp (read that I had to do it after the amp as the amp is what controls the volume, not the radio). Once cut in the driver's side kick panel, ran all fresh wire to the trunk and connected everything to the crossovers. I tapped the front 6.5" speaker wires to feed the LCI-7i for the signal. Tapped the rear speakers for the rear signals and the LCI-7 is creating the sub signal on it's own.
So after all that, I'm getting a constant his from all speakers. I've searched and read several things. Bold is what I've read and my answer is after the bold.
1)Ground wire for LCI-7i isn't good. First I had that grounded to the amp and had the hiss. I then used it's own ground point and still have the hiss
2)The gains are either too high or too low. Doesn't matter what level I put the gains on the LCI-7i, it still hisses. I've swapped RCA cables around and still same issue.
3)Power wire of amp is not hooked directly to battery. So I hooked the power wire up to the side nut of the main battery cable. I saw on one post that this could cause "noise" and to hook it directly to the power cable. I have not done that yet.
4)Bad LCI-7 - Ordered another one just to eliminate that. Tried all 3 ground settings under the cover, no change.
5) Bad Amp - Backordered till May so can't exchange it yet.
6) Need to turn down gains on amp - I ordered a BT gain control which will be here tomorrow that hooks up to the amp. Also, this amp can hook directly up to my laptop or cell phone to customize all settings which I haven't learned how to do yet so this is still an option. Will contact JL Audio on Monday. Will also reach out to AudioControl Monday for support.
When I installed the rears, I don't recall hearing the hiss but it could have been there. I'm going to use the rears for the main input to the LCI-7i to see if I get the hiss and maybe it is the speaker tap from the 6.5s that is the issue. Will try this tomorrow.
If there is something that I'm not thinking of please let me know.
Which speakers should I be tapping into? 6.5s? 3.5s"? the tweeters? I used the 6.5s in the front as I mentioned earlier. I read that the rears do not give a full range of sound (may be using the wrong terminology).
The sound is amazing above 10 but anything in the 0 - 8 or so range, the hiss is driving me nuts. The hiss happens even at volume 0.
Thanks for anyone who suggests or can help out.
Sponsored
Last edited: