Glad to hear everything worked out. Your problem was probably the ground loop all along. Audio devices i.e. sound cards are very susceptible to ground loop problems. A simple and inexpensive fix is to purchase a Ground Isolator and some adapters from Radio Shack. You install it between the Mic and Mic Input. It's a sure cure for most ground loops. The total cost for the isolator and adapters is less than $20. part number is 270-054
John P. Basilotto W5GI Marketing and Product Manager FlexRadio Systems Office 512-250-8595 Mobile 512-663-6727 -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of N3EVL Sent: Saturday, April 08, 2006 9:21 AM To: FlexRadio@flex-radio.biz Subject: [Flexradio] FYI: Xmit audio problem and resolution Just wanted to report an xmit audio problem and its resolution so that others with similar problems might possibly benefit. Initially my audio reports were terrible. Admittedly, I was not using a classy mic but even so I was expecting better. I spent some time on the air and on the phone with W2IHY and after tweaking some of the settings in the Delta44 mixer panel I was able to get the correct audio bandwidth - it appeared to be inexplicably constrained until we checked mute on the non-mic items - still not sure why this made a difference, but it did (Eric - any comments welcome here). However, I was left with a low freq component that was present with the mic plugged in whether speaking or not. Julius guessed this was a ground loop. Today I disassembled everything and added a ground to the computer chassis and voila - problem solved. Just made a few QSOs on 17m and got nice audio reports and even heard a recording of myself to prove it! Many thanks to Julius, W2IHY for working with me on this. Great radio, great support. 73, Pete, N3EVL _______________________________________________ FlexRadio mailing list FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archive Link: http://mail.flex-radio.biz/pipermail/flexradio_flex-radio.biz/ FlexRadio Homepage: http://www.flex-radio.com