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In Reply to: RE: Isolation Transformer For Digital Sources? posted by knewton on July 02, 2016 at 11:47:36
Knewton,
I've been having some success lately using the Tripp-Lite isolated power strip. I've had some listening sessions uninterrupted by noise/interference.
When the noise does present after the system has been running, I've turned off the preamp and let it cool down for a few hours. Then upon powering up later, the noise was still there. (I know it's possible that caps may still be charged).
The only digital devices being used are the ARC CDP and the Chord DAC. I believe the ARC is causing interference based on the different level of noise produced by using different power cords and the elimination of noise when CDP was moved to a different circuit.
So, for $125 I ordered a Tripp-Lite Hospital iso transformer from Ebay. They sell for $260 new, so this is worth a try to use on the digital source.
Follow Ups:
So, you did not try replacing the Atma-Sphere preamp with your other line stage?
_
Ken Newton
Edits: 07/04/16 07/04/16
Ken, unfortunately I've been sick and in the hospital for tests, so I haven't had the energy to swap out any components.
I can now say for certain that the only digital component in use (plugged in) when the noise presents is the ARC CD.
Sorry, to hear that you've been ill. Get well soon.
_
Ken Newton
Thanks for the kind words, Ken.
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