I need to know where the audio B+ comes from. It has a hum in the audio that sounds like a filter. Have nothing on this oldie but goodie. I got the sweep module rebuilt at MX and now have this problem. If anyone has a print or info I could sure use it. Thanks. Al Marquardt ampm@xxxxxxx Al Marquardt Electronic Repair 206 W Main Girardville Pa. 17935 ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/