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Re: Ground ScrewsThey would provide an easy point for chassis ground. This is really important when a piece of gear has a pin 1 problem (ie pin 1 not connected DIRECTLY to the chassis-but rather goes inside the box to the circuit board-easily producing ground loops.You would lift the shield at the XLR and run the shield to the screw.And as John said-it provides a point to tie the ground together to help reduce noise.In my early days of "the biz" I carried heavy duty alligator clips (with large wire) that I would clip ground together and try to reduce the hum/buzz in the system.It was A LOT harder in the old days-most gear was unbalanced-even the top of the line pro gear.Tracing hums and buzzes was just part of every gig-sometimes I would spend an hour to two trying to REDUCE the level of the noise.
Re: Ground Screws
They would provide an easy point for chassis ground. This is really important when a piece of gear has a pin 1 problem (ie pin 1 not connected DIRECTLY to the chassis-but rather goes inside the box to the circuit board-easily producing ground loops.
You would lift the shield at the XLR and run the shield to the screw.
And as John said-it provides a point to tie the ground together to help reduce noise.
In my early days of "the biz" I carried heavy duty alligator clips (with large wire) that I would clip ground together and try to reduce the hum/buzz in the system.
It was A LOT harder in the old days-most gear was unbalanced-even the top of the line pro gear.
Tracing hums and buzzes was just part of every gig-sometimes I would spend an hour to two trying to REDUCE the level of the noise.
