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Pedro G.

Difference in sound between day and night. Help!

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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! 

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Go to the bathroom, splash cold water on your face, neck and hair. Slap your cheeks several times, look at your reflection in the mirror and tell yourself  " when it comes to any of lifes passions, no man can have it all".

And you forgot to mention what speakers you have.

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I have experienced it, I was close to the noisiest power transformer that was so out of balance it buzzed loud enough to keep people awake. Have you checked to see if you have over voltage e.g. 260 watts I solved my particular problem in two ways get a polarity checker from Jaycar and check all your power points in your house . I found one with no earth connected at all .
The class D amp needs to be plugged into something to stop the hash they generate back thru the lines plug it into a separate power point preferably on a different circuit to your hi gear . Separate your digital and amplifier stuff onto different boards , lastly I was forced to use Tortech 240 to 220 volt step downs to reduce the over voltages to my pre and power amps also these cleaned up the hash . In your case plugging the " D " into one would help . That's what I had to do it worked .

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What about just less outside noise at night time? 

You could easily see if this is the case by using a SPL meter app and checking what the background levels are like.

 

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6 hours ago, Pedro G. said:

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! 

 

Spend $30 on a plug that will safely measure your voltage, of it you have solar PV that'll report mains voltage first get an idea of performance. 

 

Check first to see that nothing is out of tolerance. If it is, call your electricity distributor. 

 

Not likely to be the case though no hard checking before you pull out your checkbook.

 

Don't spend any money on regeneration before you've checked voltage, power quality and reticulation options.

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6 hours ago, Pedro G. said:

 and a Nord Acoustics Class D Power Amp (wich is a hell of an amp) 

Which one? There’s lot of them with different buffer section

Speakers are?

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7 hours ago, Pedro G. said:

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.

Try removing all of these and stick ordinary power cables in.

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I don't think this is too uncommon, after all far fewer people using power at night, especially late at night.

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I had silimar experience before except my system sounded better at early morning. I think it’s to do with two things: ambient noise and AC power noise. Ambient noise may require some acoustic treatment. AC power noise may require power conditioning. I had good result with Isotek power boards which is within your budget. 

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11 hours ago, Pedro G. said:

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! 

Hi,

 

I think very very nice at its worst sounding is still pretty good! Even though regenerators seem to a better option than standard regulated power conditioners I would still try before you buy as they can also suck the life out of some power amps. 

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While I find it's generally true that your system is likely to sound better at night, with reduction in ambient noise from trucks and leaf blowers and such, even in a 'quiet' suburb, my own experience is that during the DAY there is a lot of electronic 'hash'/pollution on the power line that can't really be removed easily. In my own house that was not fixed by power regenerators, or a dedicated AC line, or a new switchboard, (although I am installing a Holton DC Blocker shortly anyway).

 

It was mostly fixed when the Electricity Authority found that in my suburb there were so many industrial machines operating on my line 9-5 that they offered to "change my phase". I said 'yes' and this worked wonders...but it still wasn't as good as the quiet evenings are. Especially after 10 pm.

 

Of course I don't quite know about phase and power delivery but I do know there is more to do from where you are...

 

Just my 2c worth

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While I find it's generally true that your system is likely to sound better at night, with reduction in ambient noise from trucks and leaf blowers and such, even in a 'quiet' suburb, my own experience is that during the DAY there is a lot of electronic 'hash'/pollution on the power line that can't really be removed easily. In my own house that was not fixed by power regenerators, or a dedicated AC line, or a new switchboard, (although I am installing a Holton DC Blocker shortly anyway).
 
It was mostly fixed when the Electricity Authority found that in my suburb there were so many industrial machines operating on my line 9-5 that they offered to "change my phase". I said 'yes' and this worked wonders...but it still wasn't as good as the quiet evenings are. Especially after 10 pm.
 
Of course I don't quite know about phase and power delivery but I do know there is more to do from where you are...
 
Just my 2c worth
Mine improved when they replaced the cursed Transformer near my house . Also checking the outside earth and each and every power point in the house. I've seen loose connections behind the points on rewired houses. Get a Jaycar power point checker,

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Check incoming voltage.

+/- more than 10 volts is quite common occurance 

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On 01/02/2019 at 12:03 AM, Pedro G. said:

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

From other details you've supplied, I can see that you have assumed that there is a problem with the mains power supply.

Have you considered that you may simply be in a more relaxed state at night, a state more receptive to listening to music? 

That, and/or quieter ambient noise, could explain your enhanced appreciation of your system at night.

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If I may chip in, yes, that's a definite associated factor. But the differences subjectively are pretty large and almost 'sudden' at certain times of the evening

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Less ambient noise and I feel the most important less low frequency noise that you can't even hear is the reason. Try a Real Time Analyser app and you will be astounded how much low frequency noise there is during the day.

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This person is in Argentina, so power would most probably be different than here.

I found trying Regenerators, Balanced transformers evened out the differences between day and night listening.

Some days were really disappointing but now it sounds good anytime. Still have the occasional night where everything is amazing.

 

Edited by rocky500

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31 minutes ago, MLXXX said:

From other details you've supplied, I can see that you have assumed that there is a problem with the mains power supply.

Have you considered that you may simply be in a more relaxed state at night, a state more receptive to listening to music? 

That, and/or quieter ambient noise, could explain your enhanced appreciation of your system at night. 

@MLXXX   my experience is the similar to the poster that started this thread.

I live in a small regional town.  So, the matter of daytime factories etc is not an issue nor is ambient noise.  The supply to my area of the town comes on a different feeder to the main feeder to the rest of the town.  I have various and reasonably serious power treatments including quality power cables.  To me the treatment of power is fundamental to a quality sound outcome. 

A few years ago, the power transformer on the house supply pole was replaced.  Immediately the system noise floor reduced slightly.  Recently I arranged for the supply power to my house to be dropped to approx 230/235 volts from up to 262 volts.  As well, there is a whole of house Edge Electron regulator that means the house only receives 230 volts regardless of the supply voltage.

Despite all of the above my system always sounds better at night from 9.30 pm onwards.  Even when I am not overly aware of the time but perceive a benefit, I look at my watch and it will be after 9.30pm every time.  I consider that the fact that it happens so consistently has nothing to do with my well being at the time and or the ambient noise which is generally low all the time for me.

John

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1 hour ago, Assisi said:

Despite all of the above my system always sounds better at night from 9.30 pm onwards.  Even when I am not overly aware of the time but perceive a benefit, I look at my watch and it will be after 9.30pm every time.  I consider that the fact that it happens so consistently has nothing to do with my well being at the time and or the ambient noise which is generally low all the time for me.

So what do you think's going on at 9:30 with the power?

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1 hour ago, Ittaku said:

So what do you think's going on at 9:30 with the power? 

@Ittaku

It is an interesting and important question to which I have often wondered why.  I have never come up with an explanation even though I would like to.  My experience is not unique though.  I followed the PS Audio forum for some years when I had a PS Audio DAC.  There were reports on that forum around this topic.  A Canadian kept records of his experiences and provided graphs of changes.  I can’t find his posts now.  In the US people experience noticeable THD from time to time.  My power has zero or negligible THD

My experience doesn’t seem to change whether it is normal time or daylight saving.  I do wonder whether the power companies do “something mysterious” to the power at night when the load may be less. 

 

When the Edge Electron was installed in the house last year the default voltage was set at 220 volts for 2 days.  Because of a voltage drop in the house the system received 216/217 volts.  The 3D  of the sound stage of my system was incredible for those 2 days.  Beautiful.  That reduced when the default was increased to 230 volts so that fans etc would work. 

 

I just wait for the night.

 

By the way Con I mentioned power cords in my post just for you. I now how much you are not supportive of their value whereas I am.

John

 

Edited by Assisi

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2 minutes ago, Assisi said:

By the way Con I mentioned power cords in my post just for you. I now how much you are not supportive of their value whereas I am.

And you'll note I did not take issue with your mention of power cords. If they do something for you, who am I to argue?

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5 hours ago, Ittaku said:

If they do something for you, who am I to argue?

@Ittaku Exactly. I could not resist the  temptation though to include power cables in my post.  I also tend not to respond when you say that the cables are not a benefit to you.  One day we will meet and compare notes.

John

 

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6 minutes ago, Assisi said:

@Ittaku Exactly. I could not resist the  temptation though to include power cables in my post.  I also tend not to respond when you say that the cables are not a benefit to you.  One day we will meet and compare notes.

John

 

Well you're in Victoria as I see which means it's doable.

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19 hours ago, Assisi said:

When the Edge Electron was installed in the house last year the default voltage was set at 220 volts for 2 days.  Because of a voltage drop in the house the system received 216/217 volts.  The 3D  of the sound stage of my system was incredible for those 2 days.  Beautiful.  That reduced when the default was increased to 230 volts so that fans etc would work. 

I don't know what part(s) of your "system" perform better at a lower voltage, but if the above effect was very pronounced I see two options:

 

1. replace the part(s) of your system that do not perform well unless operated below the nominal mains voltage; or,

2. reduce the mains voltage supplied to that/those device(s).

 

Option 2 might be able to be achieved with the following Variac if its power rating is sufficient to run the affected part(s) of your system: https://www.jaycar.com.au/0-260vac-variable-laboratory-autotransfomer-variac-500va/p/MP3080

 

Edited by MLXXX

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