nahsusu
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ground loop ... how to fix it ? today i find when i touch any metal parts , the nosie is gone ....
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It seems problem is not USB . I found it : when i touch the head of 6.5mm guitar connecting line , the noise is gone ... i used HD500 for almost 2 years , did not have such a problem untill last night ... is that something wrong with the Rectifier ?
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It seems problem is not USB . I found it : when i touch the head of 6.5mm guitar connecting line , the noise is gone ... i used HD500 for almost 2 years , did not have such a problem untill last night ... is that something wrong with the Rectifier ?
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There will be a huge noise when use USB cable connecting the HD500 to computer. While no noise without USB cable. Please help to identify this problem. Thanks in advance I live in China , so I can't find any official after sale service , please tell me how to fix it by myself .... thank you very much .....