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Why are there no high end cheater plugs?

Yes, I know there are safety reasons for not using such ground lifting devices; but as many audio magazines have suggested, the benefits from lifting all grounds except the preamp are quite substantial. But the 79 cent cheater plug covers much of the improvement. I made some cheater plugs using silver wire but Eagle plugs. They are better than the grey guys. Why does no one make a quality plug? I understand that at one time Siltech did make such a plug.

Please no "educate" me of the safety reasons for not using cheater plugs. I think the success that our immediate ancestors had in surviving two plug ac, suggest that chassis shorts must be quite rare.
tbg
ait
480 posts
 
Also, if you're handy, you can measure the potential on the chassis of your gear, then reverse the power transformer primary leads and measure again...one orientation will be lower in chassis potential, and that orientation will thus produce less current between components. Do this on all your gear and you will decrease ground loop hum.

I recommend you try these techniques before resorting to cheater plugs; they were enough to lower any hum to levels undetectable by ear in my system.
ait
480 posts
 
Finally, there are "ground loop breaker" circuits published in various places on the net which can also resolve ground loop issues. These consist of a resistor, cap and diode in parallel and allow the breaking of ground loops without resorting to the unsafe lifting of safety grounds.
brf
1,715 posts
 
If your preamp is grounded, doesn't that automatically ground your amp via the interconnects?
geoffkait's avatar
geoffkait
23,365 posts
 
Is a ground wire to the water pipe a better ground than the house ground to which the power cord ground is connected?
ait
480 posts
 
Brf, do you trust your interconnect shields to carry high voltage fault currents safely to ground? Pretty sure mine would explode with 2300V on them.
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