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Feedback/Humming

post #1 of 3
Thread Starter 
I currently have the M-Audio BX8As connected to my computer via TRS cable to 3.5m into my soundcard. The is when I try to put my volume up to around 70% they will start to have a very large feedback/humming sound and if I dont turn it down, sounds like it will blow out my speakers. I am wondering how I can fix this
Sunkist Build
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 4770K Asus Maximus Hero VI Crossfire 7970s G. Skill X Series 8GB DDR3 2400 
Hard DriveOSMonitorKeyboard
Samsung EVO 840  Windows 8.1 Pro Viewsonic VA2248 Saitek Eclipse II 
PowerCaseMouseMouse Pad
EVGA Supernova G2 1000W Corsair 750D Logitech G500s Rocketfish 
AudioOther
M-Audio BX8A M-box 3 
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Sunkist Build
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 4770K Asus Maximus Hero VI Crossfire 7970s G. Skill X Series 8GB DDR3 2400 
Hard DriveOSMonitorKeyboard
Samsung EVO 840  Windows 8.1 Pro Viewsonic VA2248 Saitek Eclipse II 
PowerCaseMouseMouse Pad
EVGA Supernova G2 1000W Corsair 750D Logitech G500s Rocketfish 
AudioOther
M-Audio BX8A M-box 3 
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Reply
post #2 of 3
1) Are the outlets grounded? Best way to check this is to measure the resistance between neutral and ground in the outlet using a multimeter

2) Which balanced/unbalanced converter are you using and is it connected to a ground wire?
post #3 of 3
Thread Starter 
Yes, the outlets are grounded.

I am just connecting it straight to my soundcard
Sunkist Build
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 4770K Asus Maximus Hero VI Crossfire 7970s G. Skill X Series 8GB DDR3 2400 
Hard DriveOSMonitorKeyboard
Samsung EVO 840  Windows 8.1 Pro Viewsonic VA2248 Saitek Eclipse II 
PowerCaseMouseMouse Pad
EVGA Supernova G2 1000W Corsair 750D Logitech G500s Rocketfish 
AudioOther
M-Audio BX8A M-box 3 
  hide details  
Reply
Sunkist Build
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 4770K Asus Maximus Hero VI Crossfire 7970s G. Skill X Series 8GB DDR3 2400 
Hard DriveOSMonitorKeyboard
Samsung EVO 840  Windows 8.1 Pro Viewsonic VA2248 Saitek Eclipse II 
PowerCaseMouseMouse Pad
EVGA Supernova G2 1000W Corsair 750D Logitech G500s Rocketfish 
AudioOther
M-Audio BX8A M-box 3 
  hide details  
Reply
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