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#1
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Noise problem please help.
Need some help badly. I just hooked up my JL 500/1 and my IDMAX (which is
awesome btw). Some of you may remember, I had a noise problem with just the 300/4 hooked up but, I turned down the gains and could live with it. When I fired the 500/1 back up, the noise went crazy. All this with the engine off mind you. The noise sounds like listening to an AM station and the whine changes pitch up and down. It is pretty darn loud. I tried all of this but, nothing helped: Unplugged RCA's to amps, noise gone Used a muted cable, noise gone Tried new ground point for amps, noise still there Ran new remote wire outside of car, noise still there Ran RCA's outside of car, noise still there. Tried new ground for head unit, noise still there unplugged antennae at brain and head unit, noise still there. I am out of ideas. This is not a noise that can be lived with. Anyone who has a suggestion, please speak up. If I can not get something done, I will have to take it to my local installer and see if he can track it down. Which will probably cost a fortune. This noise has not always been a problem. When I had my Image Chameleons and a pair of ID12's, there was no noise like this. I switched to the Diamond M661 and took the ID's out and the small noise started with the 300/4. Then, added the IDMAX and hooked the 500/1 back up and noise started. Thanks. __________________ ---------------- Ever Changing System Eclipse 7002 indash screen Eclipse 5122 Disc changer PS2 JL Audio 300/4 JL Audio 500/1 Diamond Audio M661 up front Image Dyanamics 12" IDMAX |
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#2
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Noise problem please help.
Have your HU looked at. Everything you've done has eliminated everything in
the signal chain except the HU. I had the same problem a number of years ago and it ended up being a burnt trace in the HU. I don't know how it happened because the HU worked fine when I removed it, but when I put it back in there it was! Had it fixed and all was good. If you have another HU try it out. You could also run rca's from a friends car and see what happens. If you do that make sure both cars are running. Paul Vina "dconder" wrote in message ... Need some help badly. I just hooked up my JL 500/1 and my IDMAX (which is awesome btw). Some of you may remember, I had a noise problem with just the 300/4 hooked up but, I turned down the gains and could live with it. When I fired the 500/1 back up, the noise went crazy. All this with the engine off mind you. The noise sounds like listening to an AM station and the whine changes pitch up and down. It is pretty darn loud. I tried all of this but, nothing helped: Unplugged RCA's to amps, noise gone Used a muted cable, noise gone Tried new ground point for amps, noise still there Ran new remote wire outside of car, noise still there Ran RCA's outside of car, noise still there. Tried new ground for head unit, noise still there unplugged antennae at brain and head unit, noise still there. I am out of ideas. This is not a noise that can be lived with. Anyone who has a suggestion, please speak up. If I can not get something done, I will have to take it to my local installer and see if he can track it down. Which will probably cost a fortune. This noise has not always been a problem. When I had my Image Chameleons and a pair of ID12's, there was no noise like this. I switched to the Diamond M661 and took the ID's out and the small noise started with the 300/4. Then, added the IDMAX and hooked the 500/1 back up and noise started. Thanks. __________________ ---------------- Ever Changing System Eclipse 7002 indash screen Eclipse 5122 Disc changer PS2 JL Audio 300/4 JL Audio 500/1 Diamond Audio M661 up front Image Dyanamics 12" IDMAX |
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#3
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Noise problem please help.
I tried running RCA's from my other vehicle. It has an Alpine IVA-C800 and
I just unhooked the rca's from the brain of the Alpine and ran cables from my amps of the noise car into the Alpine. Noise is still there. Now, I am really confused. Where do I go from here. I consider myself pretty knowledgable about car audio and this has me toasted. Thanks your any help you can give me Paul. "Paul Vina" wrote in message . net... Have your HU looked at. Everything you've done has eliminated everything in the signal chain except the HU. I had the same problem a number of years ago and it ended up being a burnt trace in the HU. I don't know how it happened because the HU worked fine when I removed it, but when I put it back in there it was! Had it fixed and all was good. If you have another HU try it out. You could also run rca's from a friends car and see what happens. If you do that make sure both cars are running. Paul Vina "dconder" wrote in message ... Need some help badly. I just hooked up my JL 500/1 and my IDMAX (which is awesome btw). Some of you may remember, I had a noise problem with just the 300/4 hooked up but, I turned down the gains and could live with it. When I fired the 500/1 back up, the noise went crazy. All this with the engine off mind you. The noise sounds like listening to an AM station and the whine changes pitch up and down. It is pretty darn loud. I tried all of this but, nothing helped: Unplugged RCA's to amps, noise gone Used a muted cable, noise gone Tried new ground point for amps, noise still there Ran new remote wire outside of car, noise still there Ran RCA's outside of car, noise still there. Tried new ground for head unit, noise still there unplugged antennae at brain and head unit, noise still there. I am out of ideas. This is not a noise that can be lived with. Anyone who has a suggestion, please speak up. If I can not get something done, I will have to take it to my local installer and see if he can track it down. Which will probably cost a fortune. This noise has not always been a problem. When I had my Image Chameleons and a pair of ID12's, there was no noise like this. I switched to the Diamond M661 and took the ID's out and the small noise started with the 300/4. Then, added the IDMAX and hooked the 500/1 back up and noise started. Thanks. __________________ ---------------- Ever Changing System Eclipse 7002 indash screen Eclipse 5122 Disc changer PS2 JL Audio 300/4 JL Audio 500/1 Diamond Audio M661 up front Image Dyanamics 12" IDMAX |
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#4
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Noise problem please help.
Try another set of rca's. You didn't say if you used the original set when
you ran them outside the car or from the other car. If you have a broken solder joint on the end it could cause this problem. Paul Vina "dconder" wrote in message ... I tried running RCA's from my other vehicle. It has an Alpine IVA-C800 and I just unhooked the rca's from the brain of the Alpine and ran cables from my amps of the noise car into the Alpine. Noise is still there. Now, I am really confused. Where do I go from here. I consider myself pretty knowledgable about car audio and this has me toasted. Thanks your any help you can give me Paul. "Paul Vina" wrote in message . net... Have your HU looked at. Everything you've done has eliminated everything in the signal chain except the HU. I had the same problem a number of years ago and it ended up being a burnt trace in the HU. I don't know how it happened because the HU worked fine when I removed it, but when I put it back in there it was! Had it fixed and all was good. If you have another HU try it out. You could also run rca's from a friends car and see what happens. If you do that make sure both cars are running. Paul Vina "dconder" wrote in message ... Need some help badly. I just hooked up my JL 500/1 and my IDMAX (which is awesome btw). Some of you may remember, I had a noise problem with just the 300/4 hooked up but, I turned down the gains and could live with it. When I fired the 500/1 back up, the noise went crazy. All this with the engine off mind you. The noise sounds like listening to an AM station and the whine changes pitch up and down. It is pretty darn loud. I tried all of this but, nothing helped: Unplugged RCA's to amps, noise gone Used a muted cable, noise gone Tried new ground point for amps, noise still there Ran new remote wire outside of car, noise still there Ran RCA's outside of car, noise still there. Tried new ground for head unit, noise still there unplugged antennae at brain and head unit, noise still there. I am out of ideas. This is not a noise that can be lived with. Anyone who has a suggestion, please speak up. If I can not get something done, I will have to take it to my local installer and see if he can track it down. Which will probably cost a fortune. This noise has not always been a problem. When I had my Image Chameleons and a pair of ID12's, there was no noise like this. I switched to the Diamond M661 and took the ID's out and the small noise started with the 300/4. Then, added the IDMAX and hooked the 500/1 back up and noise started. Thanks. __________________ ---------------- Ever Changing System Eclipse 7002 indash screen Eclipse 5122 Disc changer PS2 JL Audio 300/4 JL Audio 500/1 Diamond Audio M661 up front Image Dyanamics 12" IDMAX |
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#5
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Noise problem please help.
I used a different set. They are not great but, it was all I had to reach
between the two vehicles. I might try tomorrow night to go the opposite. Run from my Eclipse(in the noisy car) to my other vehicle amps and see what it does. Anything else you can think of let me know. "Paul Vina" wrote in message news:NALdb.625290$o%2.288468@sccrnsc02... Try another set of rca's. You didn't say if you used the original set when you ran them outside the car or from the other car. If you have a broken solder joint on the end it could cause this problem. Paul Vina "dconder" wrote in message ... I tried running RCA's from my other vehicle. It has an Alpine IVA-C800 and I just unhooked the rca's from the brain of the Alpine and ran cables from my amps of the noise car into the Alpine. Noise is still there. Now, I am really confused. Where do I go from here. I consider myself pretty knowledgable about car audio and this has me toasted. Thanks your any help you can give me Paul. "Paul Vina" wrote in message . net... Have your HU looked at. Everything you've done has eliminated everything in the signal chain except the HU. I had the same problem a number of years ago and it ended up being a burnt trace in the HU. I don't know how it happened because the HU worked fine when I removed it, but when I put it back in there it was! Had it fixed and all was good. If you have another HU try it out. You could also run rca's from a friends car and see what happens. If you do that make sure both cars are running. Paul Vina "dconder" wrote in message ... Need some help badly. I just hooked up my JL 500/1 and my IDMAX (which is awesome btw). Some of you may remember, I had a noise problem with just the 300/4 hooked up but, I turned down the gains and could live with it. When I fired the 500/1 back up, the noise went crazy. All this with the engine off mind you. The noise sounds like listening to an AM station and the whine changes pitch up and down. It is pretty darn loud. I tried all of this but, nothing helped: Unplugged RCA's to amps, noise gone Used a muted cable, noise gone Tried new ground point for amps, noise still there Ran new remote wire outside of car, noise still there Ran RCA's outside of car, noise still there. Tried new ground for head unit, noise still there unplugged antennae at brain and head unit, noise still there. I am out of ideas. This is not a noise that can be lived with. Anyone who has a suggestion, please speak up. If I can not get something done, I will have to take it to my local installer and see if he can track it down. Which will probably cost a fortune. This noise has not always been a problem. When I had my Image Chameleons and a pair of ID12's, there was no noise like this. I switched to the Diamond M661 and took the ID's out and the small noise started with the 300/4. Then, added the IDMAX and hooked the 500/1 back up and noise started. Thanks. __________________ ---------------- Ever Changing System Eclipse 7002 indash screen Eclipse 5122 Disc changer PS2 JL Audio 300/4 JL Audio 500/1 Diamond Audio M661 up front Image Dyanamics 12" IDMAX |
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#6
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Noise problem please help.
From what you've said you've done it has to be a problem before the amps.
Let me know what happens after you run your HU to the other car. Paul Vina "dconder" wrote in message ... I used a different set. They are not great but, it was all I had to reach between the two vehicles. I might try tomorrow night to go the opposite. Run from my Eclipse(in the noisy car) to my other vehicle amps and see what it does. Anything else you can think of let me know. "Paul Vina" wrote in message news:NALdb.625290$o%2.288468@sccrnsc02... Try another set of rca's. You didn't say if you used the original set when you ran them outside the car or from the other car. If you have a broken solder joint on the end it could cause this problem. Paul Vina "dconder" wrote in message ... I tried running RCA's from my other vehicle. It has an Alpine IVA-C800 and I just unhooked the rca's from the brain of the Alpine and ran cables from my amps of the noise car into the Alpine. Noise is still there. Now, I am really confused. Where do I go from here. I consider myself pretty knowledgable about car audio and this has me toasted. Thanks your any help you can give me Paul. "Paul Vina" wrote in message . net... Have your HU looked at. Everything you've done has eliminated everything in the signal chain except the HU. I had the same problem a number of years ago and it ended up being a burnt trace in the HU. I don't know how it happened because the HU worked fine when I removed it, but when I put it back in there it was! Had it fixed and all was good. If you have another HU try it out. You could also run rca's from a friends car and see what happens. If you do that make sure both cars are running. Paul Vina "dconder" wrote in message ... Need some help badly. I just hooked up my JL 500/1 and my IDMAX (which is awesome btw). Some of you may remember, I had a noise problem with just the 300/4 hooked up but, I turned down the gains and could live with it. When I fired the 500/1 back up, the noise went crazy. All this with the engine off mind you. The noise sounds like listening to an AM station and the whine changes pitch up and down. It is pretty darn loud. I tried all of this but, nothing helped: Unplugged RCA's to amps, noise gone Used a muted cable, noise gone Tried new ground point for amps, noise still there Ran new remote wire outside of car, noise still there Ran RCA's outside of car, noise still there. Tried new ground for head unit, noise still there unplugged antennae at brain and head unit, noise still there. I am out of ideas. This is not a noise that can be lived with. Anyone who has a suggestion, please speak up. If I can not get something done, I will have to take it to my local installer and see if he can track it down. Which will probably cost a fortune. This noise has not always been a problem. When I had my Image Chameleons and a pair of ID12's, there was no noise like this. I switched to the Diamond M661 and took the ID's out and the small noise started with the 300/4. Then, added the IDMAX and hooked the 500/1 back up and noise started. Thanks. __________________ ---------------- Ever Changing System Eclipse 7002 indash screen Eclipse 5122 Disc changer PS2 JL Audio 300/4 JL Audio 500/1 Diamond Audio M661 up front Image Dyanamics 12" IDMAX |
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#7
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Noise problem please help.
Sounds like something is up with the headunit. Do yo uhave a walkman or
portable CD player? Hook that up to your existing RCA cables, if noise goes away its the head thats picking up noise. Garrett dconder wrote: Need some help badly. I just hooked up my JL 500/1 and my IDMAX (which is awesome btw). Some of you may remember, I had a noise problem with just the 300/4 hooked up but, I turned down the gains and could live with it. When I fired the 500/1 back up, the noise went crazy. All this with the engine off mind you. The noise sounds like listening to an AM station and the whine changes pitch up and down. It is pretty darn loud. I tried all of this but, nothing helped: Unplugged RCA's to amps, noise gone Used a muted cable, noise gone Tried new ground point for amps, noise still there Ran new remote wire outside of car, noise still there Ran RCA's outside of car, noise still there. Tried new ground for head unit, noise still there unplugged antennae at brain and head unit, noise still there. I am out of ideas. This is not a noise that can be lived with. Anyone who has a suggestion, please speak up. If I can not get something done, I will have to take it to my local installer and see if he can track it down. Which will probably cost a fortune. This noise has not always been a problem. When I had my Image Chameleons and a pair of ID12's, there was no noise like this. I switched to the Diamond M661 and took the ID's out and the small noise started with the 300/4. Then, added the IDMAX and hooked the 500/1 back up and noise started. Thanks. __________________ ---------------- Ever Changing System Eclipse 7002 indash screen Eclipse 5122 Disc changer PS2 JL Audio 300/4 JL Audio 500/1 Diamond Audio M661 up front Image Dyanamics 12" IDMAX |
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#8
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Noise problem please help.
See my replies to Paul. He is on the same track as you.
"sanitarium" wrote in message ... Sounds like something is up with the headunit. Do yo uhave a walkman or portable CD player? Hook that up to your existing RCA cables, if noise goes away its the head thats picking up noise. Garrett dconder wrote: Need some help badly. I just hooked up my JL 500/1 and my IDMAX (which is awesome btw). Some of you may remember, I had a noise problem with just the 300/4 hooked up but, I turned down the gains and could live with it. When I fired the 500/1 back up, the noise went crazy. All this with the engine off mind you. The noise sounds like listening to an AM station and the whine changes pitch up and down. It is pretty darn loud. I tried all of this but, nothing helped: Unplugged RCA's to amps, noise gone Used a muted cable, noise gone Tried new ground point for amps, noise still there Ran new remote wire outside of car, noise still there Ran RCA's outside of car, noise still there. Tried new ground for head unit, noise still there unplugged antennae at brain and head unit, noise still there. I am out of ideas. This is not a noise that can be lived with. Anyone who has a suggestion, please speak up. If I can not get something done, I will have to take it to my local installer and see if he can track it down. Which will probably cost a fortune. This noise has not always been a problem. When I had my Image Chameleons and a pair of ID12's, there was no noise like this. I switched to the Diamond M661 and took the ID's out and the small noise started with the 300/4. Then, added the IDMAX and hooked the 500/1 back up and noise started. Thanks. __________________ ---------------- Ever Changing System Eclipse 7002 indash screen Eclipse 5122 Disc changer PS2 JL Audio 300/4 JL Audio 500/1 Diamond Audio M661 up front Image Dyanamics 12" IDMAX |
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#9
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Noise problem please help.
Sounds like the head unit is defective. Something wrong in the pre-amp
circuit is causing an oscillation at the output stage. Have you tried running signal into the amp using another source (i.e. patch a portable CD player into it)? -- Ge0 ******************************************* TeamAMP #4 - tech whiz type of guy ******************************************* Low cost car stereo equipment repair/ modification Contact me for advice or a quote. Always interested in buying dead equipment too. ******************************************** Looking for answers on car stereo topics? www.mobileaudio.com www.teamrocs.com http://go.to/bcae/ ******************************************* Geo uses: Main Stage = a/d/s/ 336is.2 Rear fill = a/d/s/ 335is.2 Subs = Audiomobile Mass 2012 S24 Head unit = Alpine DVA-7996 Processor = Alpine PXA-H700 Sub Amp = a/d/s/ P4100.2 Main & rear fill amp = a/d/s/ P840.2 ******************************************** www.microheat.com ******************************************** "dconder" wrote in message ... Need some help badly. I just hooked up my JL 500/1 and my IDMAX (which is awesome btw). Some of you may remember, I had a noise problem with just the 300/4 hooked up but, I turned down the gains and could live with it. When I fired the 500/1 back up, the noise went crazy. All this with the engine off mind you. The noise sounds like listening to an AM station and the whine changes pitch up and down. It is pretty darn loud. I tried all of this but, nothing helped: Unplugged RCA's to amps, noise gone Used a muted cable, noise gone Tried new ground point for amps, noise still there Ran new remote wire outside of car, noise still there Ran RCA's outside of car, noise still there. Tried new ground for head unit, noise still there unplugged antennae at brain and head unit, noise still there. I am out of ideas. This is not a noise that can be lived with. Anyone who has a suggestion, please speak up. If I can not get something done, I will have to take it to my local installer and see if he can track it down. Which will probably cost a fortune. This noise has not always been a problem. When I had my Image Chameleons and a pair of ID12's, there was no noise like this. I switched to the Diamond M661 and took the ID's out and the small noise started with the 300/4. Then, added the IDMAX and hooked the 500/1 back up and noise started. Thanks. __________________ ---------------- Ever Changing System Eclipse 7002 indash screen Eclipse 5122 Disc changer PS2 JL Audio 300/4 JL Audio 500/1 Diamond Audio M661 up front Image Dyanamics 12" IDMAX |
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#10
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Noise problem please help.
See my replies to Paul. He is on the same track. Thanks.
"Ge0" wrote in message s.com... Sounds like the head unit is defective. Something wrong in the pre-amp circuit is causing an oscillation at the output stage. Have you tried running signal into the amp using another source (i.e. patch a portable CD player into it)? -- Ge0 ******************************************* TeamAMP #4 - tech whiz type of guy ******************************************* Low cost car stereo equipment repair/ modification Contact me for advice or a quote. Always interested in buying dead equipment too. ******************************************** Looking for answers on car stereo topics? www.mobileaudio.com www.teamrocs.com http://go.to/bcae/ ******************************************* Geo uses: Main Stage = a/d/s/ 336is.2 Rear fill = a/d/s/ 335is.2 Subs = Audiomobile Mass 2012 S24 Head unit = Alpine DVA-7996 Processor = Alpine PXA-H700 Sub Amp = a/d/s/ P4100.2 Main & rear fill amp = a/d/s/ P840.2 ******************************************** www.microheat.com ******************************************** "dconder" wrote in message ... Need some help badly. I just hooked up my JL 500/1 and my IDMAX (which is awesome btw). Some of you may remember, I had a noise problem with just the 300/4 hooked up but, I turned down the gains and could live with it. When I fired the 500/1 back up, the noise went crazy. All this with the engine off mind you. The noise sounds like listening to an AM station and the whine changes pitch up and down. It is pretty darn loud. I tried all of this but, nothing helped: Unplugged RCA's to amps, noise gone Used a muted cable, noise gone Tried new ground point for amps, noise still there Ran new remote wire outside of car, noise still there Ran RCA's outside of car, noise still there. Tried new ground for head unit, noise still there unplugged antennae at brain and head unit, noise still there. I am out of ideas. This is not a noise that can be lived with. Anyone who has a suggestion, please speak up. If I can not get something done, I will have to take it to my local installer and see if he can track it down. Which will probably cost a fortune. This noise has not always been a problem. When I had my Image Chameleons and a pair of ID12's, there was no noise like this. I switched to the Diamond M661 and took the ID's out and the small noise started with the 300/4. Then, added the IDMAX and hooked the 500/1 back up and noise started. Thanks. __________________ ---------------- Ever Changing System Eclipse 7002 indash screen Eclipse 5122 Disc changer PS2 JL Audio 300/4 JL Audio 500/1 Diamond Audio M661 up front Image Dyanamics 12" IDMAX |
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#11
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Noise problem please help.
Some progress to report.....
I found out that the reason my amp was shutting down was that somewhere, I have a big voltage drop. I checked the voltage with the music cranked and it was all over the place. Anywhere from 10's to 13's. At JL's suggestion, I replaced the 8 gauge with the 4 gauge coming straight from the battery and added a new 4 gauge ground and made a new ground point. This is just with the 300/4, not both amps. I cranked it up and loud as I wanted and it never shut off and sounded alot better. Checked the voltage again and even with the amp bridged, the voltage never dropped below 14 volts. So, for some reason, my 8 gauge cables were dropping voltage. Not sure why yet. I did notice that my ground cables were way too long. Not sure if that could do it but, they were like 5-6 feet each. The new 4 gauge ground is like 18". I am wondering if the noise problem could be something with the poor voltage. We will see. I have to figure out either a way to fixed the voltage leak from the 8 gauge or run 0/1 gauge to two 4 gauge or run another 4 gauge from the battery. Douglas "dconder" wrote in message ... Need some help badly. I just hooked up my JL 500/1 and my IDMAX (which is awesome btw). Some of you may remember, I had a noise problem with just the 300/4 hooked up but, I turned down the gains and could live with it. When I fired the 500/1 back up, the noise went crazy. All this with the engine off mind you. The noise sounds like listening to an AM station and the whine changes pitch up and down. It is pretty darn loud. I tried all of this but, nothing helped: Unplugged RCA's to amps, noise gone Used a muted cable, noise gone Tried new ground point for amps, noise still there Ran new remote wire outside of car, noise still there Ran RCA's outside of car, noise still there. Tried new ground for head unit, noise still there unplugged antennae at brain and head unit, noise still there. I am out of ideas. This is not a noise that can be lived with. Anyone who has a suggestion, please speak up. If I can not get something done, I will have to take it to my local installer and see if he can track it down. Which will probably cost a fortune. This noise has not always been a problem. When I had my Image Chameleons and a pair of ID12's, there was no noise like this. I switched to the Diamond M661 and took the ID's out and the small noise started with the 300/4. Then, added the IDMAX and hooked the 500/1 back up and noise started. Thanks. __________________ ---------------- Ever Changing System Eclipse 7002 indash screen Eclipse 5122 Disc changer PS2 JL Audio 300/4 JL Audio 500/1 Diamond Audio M661 up front Image Dyanamics 12" IDMAX |
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#12
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Noise problem please help.
You only need a 2 gauge to supply (2) 4 gauge wires. 1/0 would be
ridiculous overkill. Paul Vina "Douglas Conder" wrote in message t... Some progress to report..... I found out that the reason my amp was shutting down was that somewhere, I have a big voltage drop. I checked the voltage with the music cranked and it was all over the place. Anywhere from 10's to 13's. At JL's suggestion, I replaced the 8 gauge with the 4 gauge coming straight from the battery and added a new 4 gauge ground and made a new ground point. This is just with the 300/4, not both amps. I cranked it up and loud as I wanted and it never shut off and sounded alot better. Checked the voltage again and even with the amp bridged, the voltage never dropped below 14 volts. So, for some reason, my 8 gauge cables were dropping voltage. Not sure why yet. I did notice that my ground cables were way too long. Not sure if that could do it but, they were like 5-6 feet each. The new 4 gauge ground is like 18". I am wondering if the noise problem could be something with the poor voltage. We will see. I have to figure out either a way to fixed the voltage leak from the 8 gauge or run 0/1 gauge to two 4 gauge or run another 4 gauge from the battery. Douglas "dconder" wrote in message ... Need some help badly. I just hooked up my JL 500/1 and my IDMAX (which is awesome btw). Some of you may remember, I had a noise problem with just the 300/4 hooked up but, I turned down the gains and could live with it. When I fired the 500/1 back up, the noise went crazy. All this with the engine off mind you. The noise sounds like listening to an AM station and the whine changes pitch up and down. It is pretty darn loud. I tried all of this but, nothing helped: Unplugged RCA's to amps, noise gone Used a muted cable, noise gone Tried new ground point for amps, noise still there Ran new remote wire outside of car, noise still there Ran RCA's outside of car, noise still there. Tried new ground for head unit, noise still there unplugged antennae at brain and head unit, noise still there. I am out of ideas. This is not a noise that can be lived with. Anyone who has a suggestion, please speak up. If I can not get something done, I will have to take it to my local installer and see if he can track it down. Which will probably cost a fortune. This noise has not always been a problem. When I had my Image Chameleons and a pair of ID12's, there was no noise like this. I switched to the Diamond M661 and took the ID's out and the small noise started with the 300/4. Then, added the IDMAX and hooked the 500/1 back up and noise started. Thanks. __________________ ---------------- Ever Changing System Eclipse 7002 indash screen Eclipse 5122 Disc changer PS2 JL Audio 300/4 JL Audio 500/1 Diamond Audio M661 up front Image Dyanamics 12" IDMAX |
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#13
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Noise problem please help.
Douglas Conder wrote
Some progress to report..... I found out that the reason my amp was shutting down was that somewhere, I have a big voltage drop. I checked the voltage with the music cranked and it was all over the place. Anywhere from 10's to 13's. At JL's suggestion, I replaced the 8 gauge with the 4 gauge coming straight from the battery and added a new 4 gauge ground and made a new ground point. This is just with the 300/4, not both amps. I cranked it up and loud as I wanted and it never shut off and sounded alot better. Checked the voltage again and even with the amp bridged, the voltage never dropped below 14 volts. So, for some reason, my 8 gauge cables were dropping voltage. Not sure why yet. I did notice that my ground cables were way too long. Not sure if that could do it but, they were like 5-6 feet each. The new 4 gauge ground is like 18". I am wondering if the noise problem could be something with the poor voltage. We will see. I have to figure out either a way to fixed the voltage leak from the 8 gauge or run 0/1 gauge to two 4 gauge or run another 4 gauge from the battery. Paul is right about the 1/0 being overkill, I would go a step further and say that you can run the existing 4 gauge into a fused distro block and then use 6 gauge to each amp from there (try to keep the 6 gauge runs short) You could also run the same deal with the grounds using an unfused distro, but the only reason to do that would be esthetics. -- Regards, Dan Snooks |
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#14
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Noise problem please help.
Thanks Daniel for the suggestion. Turns out, it was not the wire but for
some reason, the ground point. I made a new ground point and hooked the 2 8 gauge ground cables to it and everything worked fine. The noise problem seems to be a ground loop. I installed a Scosche Isolater and I think it got about all of it. Now, I just have a bit of hiss. Getting closer I think. "Daniel Snooks" wrote in message ... Douglas Conder wrote Some progress to report..... I found out that the reason my amp was shutting down was that somewhere, I have a big voltage drop. I checked the voltage with the music cranked and it was all over the place. Anywhere from 10's to 13's. At JL's suggestion, I replaced the 8 gauge with the 4 gauge coming straight from the battery and added a new 4 gauge ground and made a new ground point. This is just with the 300/4, not both amps. I cranked it up and loud as I wanted and it never shut off and sounded alot better. Checked the voltage again and even with the amp bridged, the voltage never dropped below 14 volts. So, for some reason, my 8 gauge cables were dropping voltage. Not sure why yet. I did notice that my ground cables were way too long. Not sure if that could do it but, they were like 5-6 feet each. The new 4 gauge ground is like 18". I am wondering if the noise problem could be something with the poor voltage. We will see. I have to figure out either a way to fixed the voltage leak from the 8 gauge or run 0/1 gauge to two 4 gauge or run another 4 gauge from the battery. Paul is right about the 1/0 being overkill, I would go a step further and say that you can run the existing 4 gauge into a fused distro block and then use 6 gauge to each amp from there (try to keep the 6 gauge runs short) You could also run the same deal with the grounds using an unfused distro, but the only reason to do that would be esthetics. -- Regards, Dan Snooks |
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