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M040 high pitched sound in one speaker only

roderick, modified 5 Years ago.

M040 high pitched sound in one speaker only

Youngling Posts: 2 Join Date: 12/19/16 Recent Posts
I'm using my M040s connected to an Apogee Duet into an iMac. I'm hearing a high pitched sound in the left speaker only. The sound seems to go away when audio is passed through it but comes right back when I stop the audio. Is there any troubleshooting I can do to figure out what the problem is?
ilkka-rissanen, modified 5 Years ago.

Re: M040 high pitched sound in one speaker only

Yoda Posts: 2564 Join Date: 3/23/09 Recent Posts
If you unplug the signal cable from the loudspeaker, does it go away? If yes, then it is obviously caused by some device earlier in the signal chain.