Question about ION Audio TTUSB10 Turntable
This is a 99% of the time a grounding issue. It is called a "Ground Loop" This means either the new computer is not properly grounded, either to if its a laptop which 8/10 the usb/soundcards are never grounded correctly. or if its a desktop, most of the time the power supply is not always grounded to the case correctly. This happens because Audio and video systems need a reference point for their voltages. Generally referred to as common or ground, although it may not be actually connected with the earth, this reference remains at "zero volts" while other signal voltages "swing" positive (above) and negative (below) it. Physically, the common may be a wire, a trace on a printed-circuit board, a metal chassis, virtually anything that conducts electricity. Ideally it should be a perfect conductor, but in any practical system it is not. As the complexity and size of the system is increased, the imperfect conductivity of the common (ground) conductor inevitably causes problems.
First thing i would try is if its not plugged into a grounded power strip, Get a surge protecting power strip and plug the computer and turntable in there. Now next one is a little more scary then anything else. On my dj setup i do not have a proper ground thus have the same problem you have which requires me to use a cheater plug. You know the 3 prong to 2 prong outlet. Thus removing the ground completely. This is not recommended to do all the time but i only do it when i want to use my turntables.
First try the power strip and have both the turntable and computer plugged in to see if this helps solve the problem. If it doesnt try the 3 to 2 prong outlet. If the cheater plug fixes the problem please let me know and we can go from there on how to properly ground the unit. Please also when you provide feedback let me know what model computer it is, so i can properly assist you. For more information to reference the problem here is a write up on ground loop isolation. Thanks, Midwest-tek
Posted on Aug 28, 2010
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Posted on Jan 02, 2017
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