@folkfreak
How it works is, the chassis of the equipment should be grounded to the ground pin of the AC cord which in turn is grounded by the house wiring. There is no current on this connection, in contrast to what is claimed by SR's website page on their grounding block.
The circuit ground of the amplifier, preamp or whatever is **not** connected to the chassis in a proper setup but is instead 'floated' at ground potential by a simple circuit which might simply be a resistor or resistor/diode arrangement. In this way ground loops between equipment are prevented and the chassis is allowed to act as a shield while not also acting as a ground return.
If only one piece in the system has the circuit and chassis be the same thing, then its connection to the rest of the system will compromise the grounding of the rest of the system. Now you have to do something about it and that is what these grounding block thingys do- at a tremendous price though, as a better solution would be to simply have the offending piece repaired by the manufacturer.
if that was the case then why would grounding the stands after everything else had already been grounded to the SR box make an improvement? And why would changing the cables used for the grounds make an improvement? I use equipment from a wide range of manufacturers so can't believe they all got it wrong out of the gate... I think there's more going on here than your hypothesisAll it takes is one component to short out the grounding scheme on the other equipment.
How it works is, the chassis of the equipment should be grounded to the ground pin of the AC cord which in turn is grounded by the house wiring. There is no current on this connection, in contrast to what is claimed by SR's website page on their grounding block.
The circuit ground of the amplifier, preamp or whatever is **not** connected to the chassis in a proper setup but is instead 'floated' at ground potential by a simple circuit which might simply be a resistor or resistor/diode arrangement. In this way ground loops between equipment are prevented and the chassis is allowed to act as a shield while not also acting as a ground return.
If only one piece in the system has the circuit and chassis be the same thing, then its connection to the rest of the system will compromise the grounding of the rest of the system. Now you have to do something about it and that is what these grounding block thingys do- at a tremendous price though, as a better solution would be to simply have the offending piece repaired by the manufacturer.