How to connect a cell phone to alesis multimix 4 usb

I think more troubleshooting is called for before you buy anything else. Remember that the power coming at the mixer is 60Hz AC, it needs to filter that quite well to eliminate any hint of hum or buzz in its DC supply.ДЇinally, the condenser mic itself could be poorly shielded, or have some defect in its manufacture (poor pin 1 to chassis connection, etc.) that causes the mic to be the source of the hum. Or the mixer could simply have poor power filtration. If there is some problem there, then the mixer isn't properly shielded, and the signal traces inside the mixer could be the antenna that picks up the hum. My question is how is the mixer's chassis grounded? It should be grounded to USB ground at a single point, which hopefully is also its power ground reference (the wall wart gives it floating AC, which it would need to rectify and reference to some ground point). No, it's because a guitar pickup makes a pretty good antenna, especially a single-coil.

That's not possible, because there is only one connection to the wall-the amp. People say all the time that a guitar plugged into an amp that hums is because of a ground loop. The question is, what is the antenna? Ground loops can be that antenna, but there has to be a loop! Another example of an antenna is a guitar pickup. Hum can be caused by an antenna picking up 60Hz noise being broadcast by your house's wiring. Your computer's chassis is connected to safety ground-do NOT defeat that connection. Your mixer uses a wall wart that is effectively an isolation transformer, and its case has to be double insulated so no safety ground connection is required. If you don't have two pieces of gear connected to building ground, it's not a ground loop.

How to connect a cell phone to alesis multimix 4 usb