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Matrix M-Stage amp review: simple, cheap, and excellent. - Page 330

post #4936 of 4938
Quote:
Originally Posted by pr1me View Post

My M-Stage started an annoying buzz noise (high gain).
It happen only when the RCA are plugged in.
Pressing the case sometimes make it stop, then it comes back.
I did loosen the screws on the back and it stopped for a while, then it comes back.
Anyone experienced that ? is there any fix for it ?

Does that happen no matter what source is connected? Is it same on both inputs?

post #4937 of 4938
same on both input
Quote:
Originally Posted by muxamed View Post

Does that happen no matter what source is connected? Is it same on both inputs?

It's the same on both input.
The source are Prodigy HD2 Burson, X-Fi titanium and Maximus VII Formula.
It happen on all of them.

Now instead of having the amp flat, i put it on its side.
The buzzing is gone for now (unless i crank the amp at max volume)

I don't know how long until it comes back biggrin.gif
post #4938 of 4938
Hi, mine was buzzing because of the volume knob. On some levels the knob was touching the case and produced a slight buzz like a bad ground. I thought I had a bad potentiometer but when I changed the knob for esthetic purposes only I found the problem. Check if parts are touching, especially the case/body and something. Check it also with the knob removed. The fact that it changes with position might be a clue.. Try it also with the case removed but DON'T TOUCH ANYTHING, you know better! I don't think it's a big problem, like in my case, I was going crazy and wanted to return it.

Does anyone tried the line out with active monitors like KRK 10-3? Is this a good idea? Thanks
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