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Noise Depressor = Ground Loop Isolator?
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<blockquote data-quote="edministrator" data-source="post: 972791" data-attributes="member: 18602"><p>Dear sifus,</p><p></p><p>I had my ICE installed last few days by an installer and faced the "aeroplane" problem. I went back to the installer and they charged me for a ground loop isolator (crown brand). Is it the same as noise depressor? It is connected in between the RCA input to the power amp. Will it reduce the quality of the overall sound system?</p><p></p><p>The bloody installer just simply accuse my amp have problem lah, crossover problem la, etc etc before even troubleshooting the root cause in the first place! I was so mad because they are almost reluctant to help me troubleshoot. I spent RM350 for the stupid imperfect installation (cables provided by installer). Most probably because I did not buy any product from them in the first place, so they want to rip me off as much as possible.</p><p></p><p>After installation of the ground loop isolator, the aeroplane sound is gone but I noticed a sound moderate "thud" sound from my speakers everytime i turn on and off my HU volume (from level 1 to 0, and from level 0 to 1, no problem from 1 to 2 and above) or changing source from CD to FM, and switching FM channels. I think its due to the power output differences during the switchings? Is there anything I can do to eliminate the "thud" sound everytime changing source/turning on and off volume? Maybe some sort of power line filter or something? I am a newbie in ICE but I am slowly learning by reading from various forums on the net.</p><p></p><p>My setup: </p><p>Pioneer DEH-P7750MP</p><p>Audiobahn A6004T</p><p>MB Quart DSD216</p><p>Rockford Fosgate 6.5" Tube</p><p></p><p>Please help, sifu! Thanx...</p></blockquote><p></p>
[QUOTE="edministrator, post: 972791, member: 18602"] Dear sifus, I had my ICE installed last few days by an installer and faced the "aeroplane" problem. I went back to the installer and they charged me for a ground loop isolator (crown brand). Is it the same as noise depressor? It is connected in between the RCA input to the power amp. Will it reduce the quality of the overall sound system? The bloody installer just simply accuse my amp have problem lah, crossover problem la, etc etc before even troubleshooting the root cause in the first place! I was so mad because they are almost reluctant to help me troubleshoot. I spent RM350 for the stupid imperfect installation (cables provided by installer). Most probably because I did not buy any product from them in the first place, so they want to rip me off as much as possible. After installation of the ground loop isolator, the aeroplane sound is gone but I noticed a sound moderate "thud" sound from my speakers everytime i turn on and off my HU volume (from level 1 to 0, and from level 0 to 1, no problem from 1 to 2 and above) or changing source from CD to FM, and switching FM channels. I think its due to the power output differences during the switchings? Is there anything I can do to eliminate the "thud" sound everytime changing source/turning on and off volume? Maybe some sort of power line filter or something? I am a newbie in ICE but I am slowly learning by reading from various forums on the net. My setup: Pioneer DEH-P7750MP Audiobahn A6004T MB Quart DSD216 Rockford Fosgate 6.5" Tube Please help, sifu! Thanx... [/QUOTE]
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Noise Depressor = Ground Loop Isolator?