hira78 Posted June 27, 2012 Share Posted June 27, 2012 My speakers (Alesis M1ACTIVE 620) are giving me constant feedback when i open logic but don't play anything, when i close logic it goes away & i have no problem playing mp3's through quicktime. it sound almost like the old dial up sound u used to get from connecting to the internet years back., but not as harsh. there is a low humming noise together with a quieter high pitched beeping sound. Please help as it is very annoying ! cheers Quote Link to comment Share on other sites More sharing options...
zakkleifeste Posted June 27, 2012 Share Posted June 27, 2012 How is your computer connected to your speakers? Are you going through an interface or just using the audio output from the Mac? Quote Link to comment Share on other sites More sharing options...
hira78 Posted June 27, 2012 Author Share Posted June 27, 2012 hi, i'm using a beringer u-control uca202 http://www.behringer.com/es/Products/UCA202.aspx thanx Quote Link to comment Share on other sites More sharing options...
zakkleifeste Posted June 27, 2012 Share Posted June 27, 2012 Does the hum go away or change if you move the cables going to your speakers around. Like moving them away from computer monitors or power cables or firewire/usb cables? Quote Link to comment Share on other sites More sharing options...
Scott Jackson Posted June 27, 2012 Share Posted June 27, 2012 What is Preferences>Audio>Devices>Core Audio>Input Device set to? Is it set to Built-in Microphone by chance? Quote Link to comment Share on other sites More sharing options...
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