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Buzzing in Speaker while Playing CDs

I have a Cambridge CXC CD transport connected to a Schiit MultiBit external DAC. Recently there developed a buzzing in the left-channel speaker ONLYwhen playing CDs. After a bit of sleuthing, I replaced the RCA cable from the transport to the DAC with a new optical cable. The problem was temporarily resolved. Several weeks later, the same buzzing reoccurred. This suggests to me that the cables between the transport & the DAC are not the issue; but rather the transport or the DAC. Since I do not have another transport nor another external DAC, I am at a loss in trying to isolate the source of the problem. Any suggestions that you might have would truly be appreciated. Thank you kindly.

Kit

kitjv

Showing 5 responses by kitjv

kitjv OP
69 posts
 

Yage:  It is a steady buzzing sound only when a CD is playing.

kitjv OP
69 posts
 

Thank you, danager & audphile1. Looks like I will have to postpone my diagnosing for a couple of weeks due to commitments. But I will definitely follow up on your suggestions & report back with my findings.

Thank you for your willingness to help. Talk with you soon.

 

 

kitjv OP
69 posts
 

Thank you, yeti42. As soon as I start diagnosing the problem, I will certainly check all connections, bolts, screws, etc. before assuming that there is an issue with the circuitry of the CD transport or the DAC.

kitjv OP
69 posts
 

Thank you so much for the response. Life has been busy lately. But as soon as I get back into town next week, the diagnosing will commence.

kitjv OP
69 posts
 

I finally had some time to work on diagnosing the problem of the buzzing. The first thing I did was to disconnect & clean all of the cables & verified that all of the connections were solid. With the help of my son-in-law we followed the suggestions offered here in the thread. We also connected another CD player to the "suspicious" DAC.

Unfortunately we could not get the buzzing to reoccur. At this point I don't know if the cause of the buzzing was associated with the cables/connections or possibly the dreaded intermittent electrical gremlin. So going forward  I can only wait for the buzzing to reoccur & then to connect the DAC to another CD player.

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