MUSIC, AMBIENCE AND SOUND ART > Music Gearheads Tech Talk

What's up with my one monitor speaker?

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Gemini Ambience:
Hey gang,

Sorry for not posting much lately...I'm graduating in 4 weeks so I'm trying to finish on a good note.  hehe

I've noticed something funky happening with my left monitor speaker. It's happening almost daily now...but, it seems to be picking up radio frequencies and static. Like talk radio and lots of high end hiss. I find it really odd that only one of the monitor speakers is doing this.

Any advice or help? It's really annoying when I'm trying to watch a movie or listen to music at low volumes.

Thanks in advance for any feedback!


Gemini Ambience:
Nobody??  :)

Not had the problem myself, but something in your setup is picking up radio waves and its getting amplified in that speaker.

Are they amplified speakers ... if so do they make the same sound with nothing else connected to them ?

You can reverse your speakers and see if it still happens, or if it happens in the other speaker this time, in case it is prior to the speakers.

One problem could be earthing --- the earth picking up the radio and you have a feedback loop in there (that gets amplified) because of different gear being earthed separately (its often a cause of hiss and noise).  Use process of elimination to see what wiring change (wiring or gear disconnection) stops the sounds.

If it happens with just the speakers on their own, check the earth of the speakers (or the amp that supplies them).

I don't know if these are at all related, but when my wife fires up her Treadmill in the other room, my monitor speakers (if they are on) go apesh*t with static and odd frequency noise. Now, while I find this incredibly useful for sample-food, I don't think it's doing my monitors any good. Anyone else know more about this stuff?

You might want to check to see if the treadmill is on the same circuit as your studio. If so then you should probably move the treadmill or your studio to another line as the motor from the treadmill is sending junk down the line and your monitors are picking it up.

I use to have the radio problem in my studio, back when all my wires were unbalanced. I suspect you studio is the same, only two wires per cable instead of three? If so then you need to switch to balanced cables which are designed for such problems.


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