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Old 09-29-2017, 02:10 AM   #1
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Thumbs up Greetings from newbie and need advice (Floating ground adapter for the car sound)

Hello everyone,

Myself Andrew Russel, I've Owned a BMW E82 1 2012 since December 2015. I found this fantastic community through the internet and decide to join here. Perhaps, I can discuss here my little project.

Since getting the auto and re-charging it - MOT, benefit, new Cambelt, new Water pump, suspension shrubs and a couple of different parts I've not had much time to drive it because of my work. In any case, I cherish the way that it's somewhat extraordinary and quirky....even if that comes at the cost of a couple of holes and failing gadgets (Instrument pack to name however one)

Over the most recent couple of weeks, it had some new haggles parts swapped over from a benefactor vehicle I was fortunate to gain. These incorporate uprated stuns + bringing down springs, stainless feline back fumes and the heavenly vessel of awesome condition raise focal points!

I have an Audi that uses the Bose outside amplifier. Bose/Audi planned the framework to utilize a solitary regular between the take unit line off and the Bose amplifier line input, so it is four wires (FR+, FL+, RR+, RL+, Common) with the normal not attached to the ground, it is a floating normal. However, new auto sound hardware utilizes atypical that is fixing to the ground, with both the head unit and outside amplifier binds the ground to the line level normal.

One clarification I've perused, and I have no trust in the exactness, is that Bose utilizes some kind of capacitor sifting on hold level contribution to request to channel the "pops" that a head unit makes when exchanging inputs.

In any case, now with another head unit that uses the ground tied regular for its line-level yield I now hear a pop when the unit switches inputs, changes radio stations and so on. One clarification is that evidently with the ground tied basic the separating capacitors in the Bose amplifier get attached to the ground amid the info changes of the head unit and release to ground.

What most I've found on the web says to utilize is a "Gliding Ground Adapter" (FGA) between the head unit and the speaker.

Being the electrical specialist I'm thinking about whether anybody has any recognition with these auto sound frameworks and could help me to design an FGA, or concoct some other approach to decouple the ground so as to keep these pops while, ideally, not influencing the sound quality?

Many Thanks.
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Old 09-29-2017, 02:55 PM   #2
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Welcome to the group. Have no idea how to answer your question but would love to see photos of your rig.
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Old 09-29-2017, 10:07 PM   #3
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Love to see pictures of your van
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Old 09-30-2017, 04:42 AM   #4
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Quote:
Originally Posted by larrie View Post
Welcome to the group. Have no idea how to answer your question but would love to see photos of your rig.
Thanks for the warm welcome! No problem at all, maybe someone can help me.

Sure, I will upload it.
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Old 09-30-2017, 04:46 AM   #5
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Hello Daveb, thanks for your reply! I will upload my van photos within few moments.
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