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Wiring, Electrical & Installation
Ground loop(s) issue with bluetooth system.
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<blockquote data-quote="datguy.dev" data-source="post: 8627222" data-attributes="member: 674508"><p>Greetings,</p><p></p><p>So this is what I'm working with: <a href="http:////forums/car-audio-build-logs-cars-trucks-suvs/635804-budget-friendly-ford-escort-system-tablet-components-10-sub.html" target="_blank">http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/635804-budget-friendly-ford-escort-system-tablet-components-10-sub.html</a> Currently, there are some ground loop issues goin' on.</p><p></p><p>For a desc. of the noises. With the volume at 1, there is a hiss. In the hiss you can hear car related sounds like the beeping if you happen to leaves to lights on or key in the ignition. With the volume from say 1-50 I get bad engine whine. I drive a manual car and the engine is very obvious with it's sounds. Low idle produces a popping sound from the speakers every time it fires! Like a machine gun going off at higher volumes. Of course I have whining as the RPM changes as well. At higher volumes, like near max, the noises are hardly notable.</p><p></p><p>I overnighted a ground loop isolater for temporarily relief. However, it failed to produce any different results. I tried it installed on the RCAs of the bluetooth receiver, the root audio source, before the front amp, before the sub amp. Then I tried all that with other RCAS disconnected in an attempt to find the noisy device. I got nothing from my testing. Side note, my RCAs for the sub amp are ran on the opposite side of the car than the power for the amp. The bluetooth receiver sits near the front amp, so the RCA cables there are short and direct.</p><p></p><p>I know the next step is to increase the quality of my grounds; all around. The problem I have there is my engine grounds are basically inaccessible. Such as even the alternator is impossible to reach without removing engine components. (</p><p></p><p>[MEDIA=youtube]JCghhDM6mR0[/MEDIA]) Therefore, I'd rather pay an audio shop to fix it if that was the only solution(s). Note, I did not have this issue before installing the tablet and bluetooth receiver. Is the receiver just a piece of garbage? I was curious if anyone had any suggestions?</p></blockquote><p></p>
[QUOTE="datguy.dev, post: 8627222, member: 674508"] Greetings, So this is what I'm working with: [URL="http:////forums/car-audio-build-logs-cars-trucks-suvs/635804-budget-friendly-ford-escort-system-tablet-components-10-sub.html"]http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/635804-budget-friendly-ford-escort-system-tablet-components-10-sub.html[/URL] Currently, there are some ground loop issues goin' on. For a desc. of the noises. With the volume at 1, there is a hiss. In the hiss you can hear car related sounds like the beeping if you happen to leaves to lights on or key in the ignition. With the volume from say 1-50 I get bad engine whine. I drive a manual car and the engine is very obvious with it's sounds. Low idle produces a popping sound from the speakers every time it fires! Like a machine gun going off at higher volumes. Of course I have whining as the RPM changes as well. At higher volumes, like near max, the noises are hardly notable. I overnighted a ground loop isolater for temporarily relief. However, it failed to produce any different results. I tried it installed on the RCAs of the bluetooth receiver, the root audio source, before the front amp, before the sub amp. Then I tried all that with other RCAS disconnected in an attempt to find the noisy device. I got nothing from my testing. Side note, my RCAs for the sub amp are ran on the opposite side of the car than the power for the amp. The bluetooth receiver sits near the front amp, so the RCA cables there are short and direct. I know the next step is to increase the quality of my grounds; all around. The problem I have there is my engine grounds are basically inaccessible. Such as even the alternator is impossible to reach without removing engine components. ( [MEDIA=youtube]JCghhDM6mR0[/MEDIA]) Therefore, I'd rather pay an audio shop to fix it if that was the only solution(s). Note, I did not have this issue before installing the tablet and bluetooth receiver. Is the receiver just a piece of garbage? I was curious if anyone had any suggestions? [/QUOTE]
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Ground loop(s) issue with bluetooth system.
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