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Difference in sound between day and night. Help!

Hello Guys,I'm having a pretty big difference in sound quality in my system between day and night.

During day time the system sounds very very nice, but during night time it sounds superb, amazing, incredible, I dont have enough accolades.

I have the Audio-GD R8 DAC, the Audio-GD Master 1 preamp and a Nord Acoustics Class D Power Amp (wich is a hell of an amp) and I think the most sensitive to AC Power noise/problems is the R8. I also have the Wyred4Sound USB Reclocker, but as it has a dedicated Swagman Lab Linear Power Supply, so I don't think it is the problem.

I also have the Bada 5600 Power Filter, three PS Audio Noise Harvester, DH Labs Power Cables and good connectors (Wattgate) on all the different parts of the system, but it seems to be not enough to better completely the AC Power deficiencies.

As anyone experienced the same and corrected it? How?

I prefer to keep the budget under 1.500 USD, so most of the Power Regenerators offered on the market (PS Audio, etc) can't be considered. What about the Dussun X800 Pure Power Supply Regenerator? Has anyone tried it or tried any Dussun product? There are a few pretty decent reviews of Dussun products on Internet, but not much.

I cannot install a dedicated Power Line for my system, I can only use the shared AC circuit.

Thank you!
plga
cytocycle
1,043 posts
 
Class D amps are very susceptible to AC quality, call your amp manufacturer for a recommended synergy.  I had a transformer hum on one of my monoblocks on a Saturday afternoon and then switched my amps off my Shunyata Vray, to my Transparent Reference PIMM conditioner.  noise floor dropped instantly, bass tightened up, imaging solidified and transformer hum went away
sacresta
78 posts
 
I had the same problem that you have now. When I bought PS Audio P5 Power plant the sound is the same all the day.
sacresta
78 posts
 
PS : Now it is nice day and night, night and day. Not by Cole Porter, kkkk.
millercarbon's avatar
millercarbon
12,531 posts
 
At words poetic I'm so pathetic.
whostolethebatmobile
290 posts
 
I have noticed the night/day effect for at least the past 25 years since I first bought electrostatic speakers. I tried all sorts of remedies, but as millercarbon said earlier - anything you do to make it better in the daytime will also make it even better at night. And there are lots of things you can do.

I accepted the phenomenon years ago, but one thing still really puzzles me. It involves making a digital transfer of a vinyl record in the daytime, and the same transfer again late at night, on highly optimized equipment. You would think that the one made late at night would sound better on playback, no matter when it was played, on the same system, night or day. But in my experience it doesn't. Both copies sound relatively the same on playback, no matter what hour of the day or night they were made. But they both sound better played back at night. The one made at night sounded better at the time of recording, when monitored on speakers or headphones, but not on playback. In other words, the day/night effect does not seem to be recordable. Specifically, the daytime deterioration does not seem to be recordable. Does this indicate that the only components which suffer daytime deterioration are the loudspeakers (or ears)?

I'd be interested to know if anyone else notices the same, or maybe the opposite effect?

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