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In Reply to: RE: It is also easy for power line noise to get in through the preamp. posted by VoltSecond on March 19, 2012 at 17:13:57
I actually just plug my Wavelength Proton DAC straight into the Bryston amp. Noise could definitely come in through the computer though which I suppose is the same idea. I do have the computer plugged into a Tripp Lite isolator just like the amp.
Follow Ups:
I haven't played with the Tripp Lite isolator. Some computer grade line filters improve RF noise at the expense of making audio noise worse. Others do quite well at blocking both audio and RF noise.
Try running wrapping the low level audio cables through one of these beads 3 to 5 times. Left and right should go through the center the same number of times on a stereo amp. Use separate beads for left and right if using monoblocks.
"http://search.digikey.com/us/en/products/LFB310190-000/240-2139-ND/571946"
Play safe and play longer! Don't be an "OUCH!" casualty.
Unplug it, discharge it and measure it (twice) before you touch it.. . .Oh!. . .Remember: Modifying things voids their warranty.
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