Static and Whine Coming From Speakers and All Ports

[aedan929]

Hi, I've been battling this issue with my setup for years! This has been happening since my old computer (scorpio) and now occuring on my somewhat new one (scorpiov2). I don't know if it's that my power is dirty or something, but my power substation for my town is actually pretty new! I will face this issue weather I'm using my Bose speakers, or my monitor ones via HDMI. I have a big battery backup which powers 2 servers, and my pc, then from the UPS it goes through a power strip behind my PC, then to my PC. I have also tried numerous soundcards, and and mobo's. My audio setup (after plugging into PC) is fairly complicated because I am a audio hardware geek, and I make music. Another thing to take note is that my PSU is brand new (1 week old), my old one had coil whine. Is there any fix to this? Thanks!

 

P.S. I am also using a mini hum eliminator in attempt to fix this, but had very little effect.

[Enderman]

How about telling us what your audio setup actually is instead of just saying "is fairly complicated"...

[aedan929]

1 hour ago, Enderman said:

How about telling us what your audio setup actually is instead of just saying "is fairly complicated"...

I ended up fixing it for now... I removed my mini hum eliminator and bam!! Don't know why or how but it did the trick. Sorrry for not providing setup details. I don't find it being of much use now providing these details. But in case you are wondering I have an amplifier, mixing board (for using logic pro on my mac), Behringer MINIFBQ FBQ800, and thats it, not so complicated now that I think about it! 

[Enderman]

3 minutes ago, aedan929 said:

I ended up fixing it for now... I removed my mini hum eliminator and bam!! Don't know why or how but it did the trick. Sorrry for not providing setup details. I don't find it being of much use now providing these details. But in case you are wondering I have an amplifier, mixing board (for using logic pro on my mac), Behringer MINIFBQ FBQ800, and thats it, not so complicated now that I think about it! 

Those hum eliminators are BS.

If you actually want better quality buy a power conditioner or double conversion UPS.

[Radu Matei Birle]

I know this is a bit old, but as a guy that build amplifiers out of passion for audio, that static is almost always due to high input impedance of the device at the other end of the small signal audio cable, i.e. amplifier, mixer, etc. Nowadays, PCs have pretty good sound chips so i've resorted to using lower input impedances. My amplifiers are around 10k input impedance, tried even 1k but some devices had trouble with that (not PCs). The reason why you can use low impedances is due to them being designed to drive headphones, which are around 30 to 600 ohms. The lower the impedance, the lower the noise picked up from power lines running in the vicinity of your small signal audio cables. The dacs and opamps used have a high power supply noise rejection so it's really unlikely that dirty power is the reason for the static noise. Hope this helps you or others in distress

[aedan929]

On 3/16/2018 at 8:40 PM, Radu Matei Birle said:

I know this is a bit old, but as a guy that build amplifiers out of passion for audio, that static is almost always due to high input impedance of the device at the other end of the small signal audio cable, i.e. amplifier, mixer, etc. Nowadays, PCs have pretty good sound chips so i've resorted to using lower input impedances. My amplifiers are around 10k input impedance, tried even 1k but some devices had trouble with that (not PCs). The reason why you can use low impedances is due to them being designed to drive headphones, which are around 30 to 600 ohms. The lower the impedance, the lower the noise picked up from power lines running in the vicinity of your small signal audio cables. The dacs and opamps used have a high power supply noise rejection so it's really unlikely that dirty power is the reason for the static noise. Hope this helps you or others in distress

I’m just going through my previous posts and never saw your response! Thanks for the info and help! I actually learned a bit from you! Thanks!!?