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In Reply to: RE: Less noisy SET headphone amps posted by genungo on August 07, 2016 at 12:15:07
This system is made up of a computer and DAC and headphone amp and the computer and DAC are battery-powered. I've tried unplugging the battery chargers and using a cheater plug on the amp but the hum remains. This amp is said to hum generally so I guess I still might have ground loop issues. My subwoofer has a low hum that I can't hear from my listening position and one of the built-in lights here hums.
I'm trying to avoid buying a nice headphone SET amp that I can't listen to because I have a ground loop that I don't want to fix since I'm renting.
Follow Ups:
Consider one of the Donald North Audio headphone amps if you want a quiet unit. They are not exactly cheap though - especially now that the old $1000 - $1200 "entry-level" Sonett is no longer being made by DNA. DNA's new entry level model, the Stratus, will cost you a cool $2700, but it truly is a versatile and great sounding SET headphone amp.Look for a used DNA Sonett or DNA Stratus if you're on a budget. Or, shop around for another SET amp that has a similar reputation for low background noise. Decware also makes very nice headphone amps, check them out too.
Edits: 08/08/16 08/08/16
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