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Static noise from speakers

Hello,

Getting what sounds like static noise from my speakers. The weird thing about it is this happens when I am not playing any music with the volume turned just about all the way down. Problem comes and goes, minutes can go by between interval in which this noise occurs. Noise last for a few seconds and the noise level varies. Problem appears to occur once in a while when I play music, but not any where near as often.

Any help would be much appreciated.
sympaticonorm
sympaticonorm OP
103 posts
 
This morning I swapped interconnects at the preamp and heard some static noise on the right channel. I thought, good so it has to be a preamp tube issue. But, a few second later I also hear static noise on the left channel and then later the noise was more prominent on the left channel. Basically, I think that the problem is the same, I probably had not noticed the static noise in the right channel since it is so faint and only occasionally occurs. I guess this points me to an amp tube problem. The problem occurs with any source hooked-up.

Thanks for all your help and please let me know if you have any more troubleshooting tips to share.
reubent
7,071 posts
 
Sounds like its time to start swapping tubes in the amp.

TIC
sympaticonorm OP
103 posts
 
Reubent,

Yes, I will swap tubes but I am so surprised to see that system still sounds so good....even with tubes on the way out.

Not sure, but I guess that I could also have tubes tested at an audio store instead of swapping. Maybe this could better determine whether I need to change only one or two tubes versus all the tubes.

THx,
NJT
lynnc
6 posts
 
Could it be interference with the power cords? I just set up a Belles power amp and a Magus pre amp and have static that seems to be in the pre amp. I'm wondering if I might have bad cables because the units worked fine when I previewed them. With the Magus there is an external power source that needs to be 3 feet away from everything or it causes interference. I'm wondering if I have all the components isolated enough.

Might be another issue besides tubes anyway.
lynnc
6 posts
 
Well I needed a new tube too. So my thought about separation of components was not the issue.
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