Thanks for taking the time to answer. I will check out the circuit situation Carol On Mar 7, 2005, at 2:23 PM, Gregg Gorrie wrote: > on 3/7/05 8:02 AM, David DelMonte at ddelmonte at mac.com wrote: > >> Hi all, is anyone else experiencing sound problems in 10.3.8? Is there >> a known problem? I get low frequency hum from my connected stereo, >> and >> feedback buzz from my plugged in guitar. >> >> running this on both a 17" powerbook and a G5 2.5. The guitar is >> connected to an M-Audio Firewire 410. >> >> Thanks >> >> David > > It sounds like what you're experiencing is a ground loop. Make sure > that > everything in your computer system and your audio chain (interface, > mixer, > etc.) is using the same A.C. electrical circuit ... use one or more > power > bars if needed and have them all going to one plug-in at the end. > > Alternatively, if the M-Audio interface or any of your other audio > equipment > has a ground lift switch, lift the ground to see if that solves the > problem. > -- > Gregg > > _______________________________________________ > MacProAudio mailing list > MacProAudio at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/macproaudio > > Listmom is trying to clean out his closets! Vintage Mac and random > stuff: > http://search.ebay.com/_W0QQsassZmacguy1984 > > > Carol J. Stein www.carolstein.com 12420 Appomatox Dr. Orlando, Fl 32837 Tel/Fax: 407-438-8040 Mobile: (321)356-4264 E-Mail: carol at carolstein.com -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: text/enriched Size: 1564 bytes Desc: not available Url : http://listserver.themacintoshguy.com/pipermail/macproaudio/attachments/20050307/1a760f2a/attachment-0001.bin